If you are checking a 12V power supply and your multimeter shows “12. I decided to make an LC Meter which uses the arduino shield form factor and is. the 100/120 depends on whether your mains is 50 or 60 Hz. AnaTek Blue ESR/Low. It captures the time period of the incoming signal and calculates the frequency of the signal. 8V 30-40A Power Supply (PDF) #N#Yaesu FT-897 - PC interface (PDF) #N#AT89C2051 serial COMs to LED driver. A DIY lux meter for measuring light intensity with a bandwidth from DC to 350 kHz. try PEAK electronics LCR meter from UK Programming DS3231 RTC without Arduino. Our handheld devices make it easy to gauge inductance, capacitance and resistance. New Products Specials Dollar Store 3D PRINTING ARDUINO Robotics PROJECT LEAD the WAY TEACHERS CLASSPACKS TRAINING-Ohm LCM1952 LCR METER. LCR meter combines various techniques like DDS signal generation. Mob: 03429472107. The 890C is an 11,000-count handheld capacitance meter that measure capacitance up to 50 mF. 09, LMQ Road, Multan Arduino DUE 32-Bit Board In Pakistan 2,200. Browse through LCR meters, bench LCR/ESR meters, handheld component meters and other meter types. 5 digital LCR meter is designed for technicians, servicemen, students & hobbyists who require an instrument that is accurate, reliable, & always ready for use. 54mm Male/Female Header Connector 2/3Pin Screw Terminal Blocks and Resistor 10-1M Ohm 5mm Led Diodes Tactile Cap Switch. AnaTek Blue ESR/Low. Description. LCR stands for L (Inductance) C (Capacitance) R (resistance). A typical LC meter is nothing but a wide range LC oscillator. The resultant reactive voltage is now given by (V C − V L ) and V S is the phasor sum of (V C − V L ) and V R. No relays, no range switching, a minimum of controls. 000 dari toko online Cipta Trading, Jakarta Barat. Again a new toy in the shack A LCR meter June (2) May (4) February (4) January (2) 2012 (21) Bitx20 V3 Arduino VFO. Pin 11 will be used for the LCD, so wire the capacitance meter using pin 8 instead of pin 11. ESR meter for capacitors with Arduino Hi, This is my first for a "project" on a forum and playing with electronics is a hobby so please take it as is because this is just amateur work, everything is perfectible. When measuring an inductor or capacitor, the added inductance or capacitance changes the oscillator's output frequency. Yes you can walk into grainger or some other supply store and demo a $500 unit while testing a. The library makes it possible to measure frequencies with a high resolution and accuracy. After scouring eBay, he finally settled on GM328A meter. The system combines an on-board frequency generator with a 12-bit, 1 MSPS, analog-to-digital. Shop the top 25 most popular Diy Inductance Meter at the best prices!. Agilent Technologies Inc. Jual beli online aman dan nyaman hanya di Tokopedia. Dave Jones at the EEVBlog did a teardown video on a better spec'd U1733C (and U1733B) meter a few years ago, I suspect that circuit-wise the U1731B. 8" TFT color LCD screen with high-resolution. While looking for software, I found an application called Visual Analyser (it is Windows only, and closed-source, but free to download). With LCD display, Peak LCR45's smart meter to inductors, resistors, and arbitrary impedance, easy to use and comes with various features. a sinewave of known voltage and frequency is generated. These meters use precise rotors that spin as the liquid flows. The LCR-6100 (CE) from GW Instek is a LCR-6000 series 10Hz to 100KHz (±0. Jual Measuring Tool - Sanwa - LCR700 LCR MetersHandy type LCR meter dengan harga Rp3. Depending on the sophistication of the meter, it may display the capacitance only, or it may also measure a number of other parameters such as leakage, equivalent series resistance (ESR), and inductance. Because it’s based on Arduino, so you can easily use the Foca to update the new firmware. The built-in frequency generator allows an external complex impedance to be excited with a known frequency. However, this LCR meter offers much more. Measure down to 0. When measuring an inductor or capacitor, the added inductance or capacitance changes the oscillator’s output frequency. Arduino Ohm Meter, arduino projects, diy arduino ohm meter, how to measure resistance, resistance value, resistor, simple arduino projects Share on Tumblr To know discrete Resistors Value, we use Color code technique or use Multimeter else we can use Arduino to calculate the Unknown Resistor value by using known Resistor, Voltage and Current flow. has a smart auto range, AGC core technology. Capacitors are one of the most common passive electrical components that are extensively used in all kinds of electronic circuits. Capacitance Meter Mar 26, 2003: Auto ranged capacitance meter. Java implementation of the Waveforms SDK created by user timmolter on the Digilent Forums. It also can be used as square signal and PWM signal generator. Additionally, the one I found was a mere 10 USD. Capacitor measuring range from 25pF-100mF, Resolution 1pF. /* Langster's LC Meter Code - 09-06-2019 Uses the LCD library, Frequency Library Button libary and various other bits and pieces Updated the code for use with updated libraries etc. They are built like tanks, so as long as the display works and all buttons are tested, used units are worth the savings (40% of the cost of new basically). Welcome to Matrix Electronics & Communication! To Place your order contact us on 02135674481, 03002785860. An LCR meter is an extremely useful device for measuring three basic impedance elements, namely, Inductance (L), Capacitance (C), and Resistance (R). Timings {Monday-Saturday 11am-8:30pm}. Power Mode: 6F22. They are operated and powered directly from any standard Laptop or PC without the need for additional battery power pack or main supply. Frete grátis. It provides accuracy, versatility and high resolution for a wide range of component measurements, even including DC resistance measurement and voltage/current monitoring. With the one-touch automatic identification function button displays component type and more detailed component analysis such as Z, ESR, and DCR, you can get measurements done faster. Results are send to DB and are logged to text file. Product Description/Product Image Technical Specifications/Datasheet. The MS5308 LCR digital bridge meter is a professional instrument for measuring inductance,capacitance and resistance It has many features, such as automatic identification, automatic measurement range, high measurement accuracy and speed, wide measuring range and so on. LCR Meter, Bench, 300 kHz, 9. From China. It endeavors to provide the products that you want, offering the best bang for your buck. Capacitors are one of the most common passive electrical components that are extensively used in all kinds of electronic circuits. LCR-T4 MEGA 328 Transistor Diode Capacitor ESR LCR Meter MOSFET PNP Tester. Browse through LCR meters, bench LCR/ESR meters, handheld component meters and other meter types. This is the Global Specialties LCR-600, a high precision 100 kHz LCR meter. 5 ms test speed, ±0. Further to the Arduino Capacitance Meter, if your feeling adventurous, or want to make a complete LCR meter I have a few more ideas…. The latter is a 10K ohm trimmer potentiometer used to set the calibration of the ESR meter after the circuit is built. The number of rotations is converted into flow rate and volume. Reliable handy product for inductance capacitance resistance measurement and MOSFET BJT diode and triode testingVery easy to use, very handy, affordable and compact, measures capacitance, inductance, resistance, differentiate MOSFET, BJT and points out their pins. 4 illustrates the phasor diagram for a LCR series circuit in which X C is greater than X L showing that when V C exceeds V L the situation illustrated in Fig 9. 1602 LCD Board Keypad Shield Blue Backlight For Arduino Duemilanove Robot. Grainger offers a litany of LCR Meters to test electronic and electric-run machinery. a gate-dip meter is an RF oscillator with a calibrated scale, and a meter that shows the amplitude of the oscillator output. Arduino Forum > Forum 2005-2010 (read only) > General > Exhibition > Arduino LC Meter With Frequency. 01%) (4 digits resolution) high precision LCR meter. 4V battery pack for long time power. LCR Meters measure the inductance (L), capacitance (C) and resistance (R) of a component or Device Under Test (DUT). LCR-T4 MEGA 328 Transistor Diode Capacitor ESR LCR Meter MOSFET PNP Tester. Welcome to Matrix Electronics & Communication! To Place your order contact us on 02135674481, 03002785860. There are many Capacitance Meters available in the market but we have built an Arduino Capacitance Meter in this project. So if you need one and don't want to spend too much money on that - the only way is to build one. When Robson Couto's LCR meter died after many years of use and abuse, he knew he needed a replacement. So I had to build my inductance meter myself. setelah saya coba ukur resistor dll setelah tekan tombol start tetap display tulisan diatas. The gain of this stage is set by R17, R18, and R19. Subject: [HBTE] homebrew LC meter Would it be possible for us to do a group build of a LC meter? I have two different LC meters in the shack but I want more accuracy. Just use a freaking good LCR meter to measure your reference components plus a few test components. It has wide measurement ranges for measuring inductance, resistance, and capacitance. Cari produk Tool Kit Set lainnya di Tokopedia. With wide measurement range, and features to ease your sorting tasks, the Ve822 series puts a new level of convenience into the world of LCR meters. 99999 kH, 10 F, 99. 0 + 5d) Inductance Measuring Range Accuracy: (2. This is a functionality that I found missing in just about any digital multi meter. 9999 Mohm, LCR-6000 Series + Check Stock & Lead Times 9 available for 3 - 4 business days delivery: (UK stock) Order before 7:35pm Mon – Fri. 2Ohm capacitance : range: 0. For the series LCR circuit in that file, the resonant freq is about 7117Hz but the Q is only 1. There are several methods which we will discuss in this tutorial article. 9999 Mohm, LCR-6000 Series + ตรวจสอบสต็อกและระยะเวลารอ 5 พร้อมจัดส่งใน 3 - 4 วันทำการ: (สต๊อก อังกฤษ) สั่งซื้อก่อน 18:35 น. E4980-90200 September 2013. * LCD display for clear readout even. Every Day new 3D Models from all over the World. 0 Touch Screen Compatible 12864 Display Wifi For Ender 3 BIGTREETECH TFT35 E3. /* Langster's LC Meter Code - 09-06-2019 Uses the LCD library, Frequency Library Button libary and various other bits and pieces Updated the code for use with updated libraries etc. Display: LCD 2. Diy Capacitor Tester. LCR Meter Holdpeak DM6243L, Type of battery 9 V (6F22) x1Dimensions of 143 x 75 x 32 mm,Weight 200 g, Multimeter is characterized by lim size. In this project, we will discuss a technique of building a digital capacitance meter using a PIC microcontroller. Since it's based on LMS (least mean square) theory, it's called an LMS impedance bridge or meter. Arduino Capacitance Meter Project July 26, 2018 September 14, 2018 Engineeering Projects In this project you will learn how to make your own arduino capacitance meter (measure the value of capacitor from the range of pF to 1000's uF). 7CM LCD Black font with green backlight Test ranges: Inductors, capacitors ,. Total Ratings 25, 100% agree - Would recommend. 52 Free Shipping!. Shinde}, journal={2017 International Conference on Computing Methodologies and Communication (ICCMC)}, year={2017}, pages={805-808} }. 99999 kH, 10 F, 99. With SW1 closed, the full scale sensitivity of the ESR meter is one ohm. BUY 10KHz LCR Meter (VE2820U) : / 100KHz Digital LCR Meter (VE2821U) 100KHz Digital LCR Meter that can test Inductance (L), Capacitance (C), AC Resistance, Q, D. This type of meter, especially L meter is hard to find in cheap commercial multimeters. It’s a shield for the Arduino Uno that lets you measure inductance. When Lx or Cx is connected in the circuit the oscillator frequency will decrease and this decrease is measured by a frequency-voltage converter build with T3 and T4. Manufacturing No. Power Mode: 6F22. Capacitor* Measure Range 1pF~10uF. Using true 100 KHz sine wave to measure the ESR value, which is equal to the testing method of capacitor manufacturer. Since our LCR meter can only measure up to 1uH, we used hit and trial method using convergence of the resonant frequency by calculating the tuning capacitor and inductor each time with the frequency that was seen on oscilloscope. diod tester antena digital gm328a capacheck digital lcr meter digital lcr arduino case digital esr meter gm328 This product belongs to Home , and you can find similar products at All Categories , Tools , Measurement & Analysis Instruments , Electrical Instruments , Multimeters. Outputs data to serial monitor and LCD 16x02. DAQARTA (Data AcQuisition And Real-Time Analysis) software turns your Windows sound card into a full-featured big-screen oscilloscope, FFT spectrum analyzer (with color spectrograms), signal averager, frequency counter, voltmeter, and sound level meter, plus FREE signal generator. The BK894 and BK895 are high accuracy LCR meters capable of measuring inductance, capacitance, and resistance of components and materials at DC or from 20 Hz to 500 kHz or 1 MHz respectively. Skip to content. The C setting is for capacitance and the R is for resistance. Acrylic Housing Included. LCR Meters at Farnell. Buy Capacitance Meters & ESR Meters and get the best deals at the lowest prices on eBay! Great Savings Free Delivery / Collection on many items. 01%) (4 digits resolution) high precision LCR meter. A Simple Arduino Battery Tester by Gus Oct 31, 2018 Updated Nov 17, 2019 Arduino Projects The Arduino battery tester is a pretty cool nifty tool that you can use to check how charged a battery is. For around $10, it's an impressive device with a 60x128 full color display, and ports for frequency measurement, square wave and PWM. A multimeter can measure them easily. All the the breadboard tests are made using the Arduino UNO. Keysight E4980A Precision LCR Meter User’s Guide Eleventh Edition FIRMWARE REVISIONS This manual applies directly to instruments that have the firmware revision A. The Last circuit was added on Thursday, November 28, 2019. This LCR meter is based on dsPIC30F4012 microcontroller. E4980-90200 September 2013. The LC-meter is powered from 5V DC USB source of Arduino board. Each Arduino capacitance meter relies on a property of resistor capacitor (RC) circuits- the time constant. AVR Development Tools. Cash on Delivery is available across all cities in Pakistan. 01%) (4 digits resolution) high precision LCR meter. The compact size design, 2U height and 1/2 rack is one of the practical features of series which is optimum space saver suitable for either bench top or system rack. Jul 2017 – Jul 2017 1 month. Additionally, the 880 offers capabilities typically only found in bench LCR meters such as a 4-terminal configuration, basic measurement accuracy up to 0. code for sound level meter sir, I am trying to write C code to convert the digital signal coming from an A/D converter into decibels to be used in a Sound Level Meter. Additionally the pins can be HIGH (+5 volts), to charge the capacitor; or LOW (ground. Now you can measure at frequencies as high as 100 kHz, a capability that is typically found only in benchtop meters. Buy HUC31-00 RLC100 - GRUNDIG - LCR Meter, Bench, 1 kHz, 199. Lcr Meter 10-100khz Step 1hz Lcrzxdqθesrdcrbias 3. a gate-dip meter is an RF oscillator with a calibrated scale, and a meter that shows the amplitude of the oscillator output. It is also known as RLC meter. It features an easy to read dual LCD (40mm x 63mm) display measurement of 19999/1999 (main/auxiliary). SKU: LCM-1952W. 9999 Mohm, LCR-6000 Series + Check Stock & Lead Times 9 available for 4 - 5 business days delivery: (UK stock) Order before 21:35 Mon-Fri (excluding National Holidays). GW Instek LCR-8101G LCR-mittalaite komponenttimittauksiin 1 MHz GW Instek LCR-8000G -sarjan LCR-mittarit tarjoavat tarkkuutta, korkeaa resoluutiota ja monipuolisuutta monille komponenttimittauksille. 2, Arduino based LCR meter. LCR Meters at Farnell. I needed a good LC meter for my one of my next projects so I went and built the famous LC meter by Phil Rice. When Robson Couto's LCR meter died after many years of use and abuse, he knew he needed a replacement. The LCR-6100 (CE) from GW Instek is a LCR-6000 series 10Hz to 100KHz (±0. Device drivers are developed on CSPI. The compacted LCR-6100 with abundant features is absolutely excellent tool for R&D, production test. Product Description/Product Image Technical Specifications/Datasheet. This LC meter design is pretty old but since it is a perfectly good device there was no need to design/build/debug one of my own. Considering a milliohm meter to measure the resistance of windings in a 3-phase motor. Please note some adblockers will suppress the schematics as well as the advertisement so please disable if the schematic list is empty. When measuring an inductor or capacitor, the added inductance or capacitance changes the oscillator’s output frequency. So if you need one and don't want to spend too much money on that - the only way is to build one. Firmware code was written in C and compiled using the competition version of C30, developed in MPLAB v7. 4V battery pack for long time power. P1 and P2 may be used for monitoring and adjusting the zero position of the meter, it also allows fine tuning of the selected range over the meter. Feel free. It has been widely used in education and training, scientific research, audio and acoustic engineering. The B&K Precision model 889B synthesized in-circuit LCR/ESR meter with component tester is a high accuracy test instrument used for measuring inductors, capacitors and resistors with a basic accuracy of 0. ) Development boards (Arduino, Raspberry Pi, ESP8266) Modules (communication, motor drivers, display, sensors, analog modules, etc. 9999 Mohm, LCR-6000 Series + ตรวจสอบสต็อกและระยะเวลารอ 5 พร้อมจัดส่งใน 3 - 4 วันทำการ: (สต๊อก อังกฤษ) สั่งซื้อก่อน 18:35 น. Device can be used to analyze the analog performance of any analog device. Having inspired from surprisingly accurate LC Meter. This is a functionality that I found missing in just about any digital multi meter. The resultant reactive voltage is now given by (V C − V L ) and V S is the phasor sum of (V C − V L ) and V R. Signstek MESR-100 V2 Auto Ranging in Circuit ESR LCR meter Capacitor / Low Ohm Meter Up to 0. Capacitance Meter Mar 26, 2003: Auto ranged capacitance meter. Measuring with an Arduino. The system combines an on-board frequency generator with a 12-bit, 1 MSPS, analog-to-digital converter (ADC). (Excluding National Holidays). After finishing my last project - "Simple LC meter", there were some discussions in the forum I am a member of, that ability to measure electrolytic capacitors would be very useful in this type of device. Signstek MESR-100 V2 Auto Ranging in Circuit ESR LCR meter Signstek MESR 100 is one of the best ESR meters on the market. 8V 30-40A Power Supply (PDF) #N#Yaesu FT-897 - PC interface (PDF) #N#AT89C2051 serial COMs to LED driver. 6µH peak test voltage across O/C: -1. 99999 kH, 10 F, 99. 2mm thick at the tip, which makes testing 0603 parts a bit clumsy. Just use a freaking good LCR meter to measure your reference components plus a few test components. Aside from a digital multimeter, one of the things you must have is a digital LCR meter. Inductance, Capacitance and Resistance meter, Arduino NANO (version 3) based. Your review for LCR45 - LCR and Impedance Meter Write a review yourself. Terima kasih hormat saya Effian Riz 2:01 PM. Resistance, Capacitance, Inductance, PNP/NPN hfe check, 3. A Surprisingly Accurate Digital LC Meter. Note: while measuring inductance (L1), capacitor (C1) value should be 0. Chip: Atmega328 2, 128*64 big Backlight LCD display,only 2mA when stand by. AC test signal voltage is variable from 5 mVrms to 2 Vrms, the AC current is adjustable up to 66. When measuring an inductor or capacitor, the added inductance or capacitance changes the oscillator’s output frequency. Outputs data to serial monitor and LCD 16x02. LUTRON LCR-9083 Meter measures Indctance,Capacitance,Resistance,Diode. Jual Measuring Tool - Sanwa - LCR700 LCR MetersHandy type LCR meter dengan harga Rp3. It also has series and parallel measurement modes which can be used to select quality factor, loss factor, phase location angle and equivalent resistance of measure articles. Component Description. As you would expect from an LCR meter, the LCR45 is great for measuring your inductors, capacitors and resistors. Different papers compare LCR meters available on the market today [4] and. La Main board e la LCD board sono assemblate e testate. The IM3536 raises the industry standard for general-purpose LCR meters by offering a wide DC and 4Hz to 8MHz testing frequency while delivering 0. Arduino LC Meter With Frequency Measurement. Posts about lcr meter written by sunupradana. Thus the maximum resolution for inductance is one nanohenry (1 nH) and for capacitance one tenth of a picoFarad ( 0. Analog Discovery based LCR-Meter Excel VBA Program DWF Library wrapper for Python. Arduino Capacitance Meter Project July 26, 2018 September 14, 2018 Engineeering Projects In this project you will learn how to make your own arduino capacitance meter (measure the value of capacitor from the range of pF to 1000's uF). 01EX380193. Used to check electrolytic capacitors for high internal resistance. An ESR meter is a two-terminal electronic measuring instrument designed and used primarily to measure the equivalent series resistance (ESR) of real capacitors; usually without the need to disconnect the capacitor from the circuit it is connected to. It features an easy to read dual LCD (40mm x 63mm) display measurement of 19999/1999 (main/auxiliary). From our › Theremin Project I derived this Frequency Counter Library. Key Words: LCR meter, ATmega 32, LM399 comparator, Voltage divider. 000 dari toko online Cipta Trading, Jakarta Barat. digital LCR meter using a microcontroller. The: Arduino "rings" the circuit with a PWM pulse from a digital output. Using true 100 KHz sine wave to measure the ESR value, which is equal to the testing method of capacitor manufacturer. Top 10 Best ESR Meter Reviews 01. 3% +/- 1 digit each depending on selected Range. Bench LCR/ESR Meter with Component Tester. The Arduino will measure the voltage at the capacitor and record the time it takes to reach 63. Dit ontwerp werd door de lezers bijzonder enthousiast ontvangen. The assumption that multimeters always measure the correct value isn't so obvious as we wish. Typical resistance is in the range of 0. Good for lighting LED's, driving other circuits - useless for reading sensors. You're signed out. The digital multimeter (DMM) is an essential tool in every electronic enthusiasts arsenal. For around $10, it's an impressive device with a 60x128 full color display, and ports for frequency measurement, square wave and PWM. 4V battery pack for long time power. I have a High-Frequency inductor available and I want to measure the inductance using the Rohde&Schwarz HM8118 LCR meter. 50VRMS but also a bias function for voltage 0 to 5V and a current rating of 0 to 200mA. Based on the principle of LC resonance, this instrument incorporates the precision measurement calculation of high-speed microcontroller. The decaying sine wave from the LC circuit, i. Whatever lcr meter kit styles you want, can be easily bought here. com/39dwn/4pilt. Use this meter to perform basic troubleshooting on anything connected to an outlet, like refrigerators, dryers, and other appliances, as well as electronic devices found around the home and garage. Good for lighting LED's, driving other circuits - useless for reading sensors. It captures the time period of the incoming signal and calculates the frequency of the signal. Additionally, the 880 offers capabilities typically only found in bench LCR meters such as a 4-terminal configuration, basic measurement accuracy up to 0. I searched the Web and found a very cute project named LCM3 on this Hungarian site: hobbielektronika. The inductance, capacitance and resistance are denoted by the letters L, C, and R so it is named as LCR Meter. The resultant reactive voltage is now given by (V C − V L ) and V S is the phasor sum of (V C − V L ) and V R. Voltages V 1 and V 2 across the unknown device and across R r, respectively are connected to a selector switch. NWT500, NWT4000, NWT4000-2 - many different frequencies ranges and different features. April 11, 2016. 4V battery pack for long time power. 5 Digit Display. 2m/70cm Dual-Band 5 Watt C4FM/FDMA Digital Touch Screen Transceiver. Set the meter to 100 kHz at 1 volt. 1-ohm Resolution, Maximum 50M ohm Capacitor: 25pf – 100,000 uf Inductors: 0. Fetures: 1. Mohon pencerahannya pak Rokhmad. Neon lamp inverter circuit. All the the breadboard tests are made using the Arduino UNO. While looking for software, I found an application called Visual Analyser (it is Windows only, and closed-source, but free to download). org Ethernet Shields. It also does 4-Wire Measurement. \$\begingroup\$ Hello Ariser, Its just the LCR meter i am using. So I decided to write this article on how to build an LC meter using an ATmega328p chip and Arduino libraries. php on line 143 Deprecated: Function create_function() is deprecated in. Description. Based on the principle of LC resonance, this instrument incorporates the precision measurement calculation of high-speed microcontroller. Test Ranges: Resistance: 0. The compacted LCR-6100 with abundant features is absolutely excellent tool for R&D, production test. Multimeters. Yes, there are specialized LCR meters that let you measure inductance but they typically won’t measure voltages or currents. The compact size design, 2U height and 1/2 rack is one of the practical features of series which is optimum space saver suitable for either bench top or system rack. It also has series and parallel measurement modes which can be used to select quality factor, loss factor, phase location angle and equivalent resistance of measure articles. This Arduino frequency counter in the library. 99999 kH, 10 F, 99. It also can be used as square signal and PWM signal generator. 01%) (4 digits resolution) high precision LCR meter. How To Measure Inductance. LCR-8200-sarjan LCR-mittarissa on laaja valikoima vakioliitäntöjä, kuten USB, RS-232C, handler ja GPIB. 3% +/- 1 digit each depending on selected Range. We are now at the quarter finals, and beside the usual suspects such as Raspberry Pi and ESP8266 boards, I also noticed one board that I had never heard of: AXEL Elettronica’s SmartEverything based on Atmel SAM D21 Cortex M0+ and featuring SigFox, BLE, NFC, and GPS connectivity. The system combines an on-board frequency generator with a 12-bit, 1 MSPS, analog-to-digital converter (ADC). link to datasheet). The Agilent E4982A delivers the best performance for manufacturing passive components such as SMD inductors and EMI filters, where impedance testing at frequencies of 1 MHz to 3 GHz is required. This design has been superceded by "V2", which has simpler hardware AND software calibration. Description. Buy Capacitance Meters & ESR Meters and get the best deals at the lowest prices on eBay! Great Savings Free Delivery / Collection on many items. Other types of meters used for routine servicing, including normal capacitance meters, cannot be used to measure a capacitor's ESR, although. Diy Capacitor Tester. An ESR meter is a two-terminal electronic measuring instrument designed and used primarily to measure the equivalent series resistance (ESR) of real capacitors; usually without the need to disconnect the capacitor from the circuit it is connected to. "In a time of universal deceit - telling the truth is a revolutionary act. The prototype Portable RLC meter design system is built using Microchip’s 16bit 28pin development board. Milliohm meter is used to check low resistance of connecting wires. The most current is consumed by the LCD. Intelligent detection and five different test. 999 Mohm at Farnell. So I had to build my inductance meter myself. However, this LCR meter offers much more. These work quite well, except for two issues: - the probes are about 1. /* LC-meter powered by Arduino. 7 mArms, depending on the AC. For around $10, it's an impressive device with a 60x128 full color display, and ports for frequency measurement, square wave and PWM. Device drivers are developed on CSPI. The system combines an on-board frequency generator with a 12-bit, 1 MSPS, analog-to-digital converter (ADC). GW Instek LCR 08 Test Fixture 4Wire SMD Clip tweezers NEW sub for 16034B. Built in meter measurement fixture for capacitors with leads. Touchstone Semiconductor's Martin Tomasz explains how to interfact to capacitive touch sensors using basic 555-timer circuits. March, 2017, Added waveform pictures. 01 to 100R, Support in Circuit Testing. Watch my other Arduino project https://www. It's a shield for the Arduino Uno that lets you measure inductance. The 890C is an 11,000-count handheld capacitance meter that measure capacitance up to 50 mF. has a smart auto range, AGC core technology. Dieses digitale LCR-Messgerät ist unsere neueste Entwicklung und verfügt über eine große 4 ½-stelligen LCD-Anzeige (max 11000), mit der eine schnelle und präzise Ablesung von Messwerten möglich ist. 01pF to 47000uF with Accuracy up to 0. This is a functionality that I found missing in just about any digital multi meter. A Surprisingly Accurate Digital LC Meter. The compacted LCR-6100 with abundant features is absolutely excellent tool for R&D, production test. Most multimeter will measure all electrical properties of a component with the exception of inductance, so you are left to your own devices. Best regards. Digital LCR Meter(V5300M) is a compact battery operated handheld device with safety protector. 555 Timer IC: In this project, the 555 Timer IC is used as a pulse generator i. Introduction of the LCR meter for Arduino created. 12x R$ 21 38. Easily measuring inductance with Arduino. Fast Lux meter. It's a shield for the Arduino Uno that lets you measure inductance. 6 - Read more. Your LCR Meter Source. More in-depth technical details about this project are. Q-METER(RLC METER) Group members Najeeb ullah Naveed khan 2. o While measuring the inductance of the antenna alone using LCR meter, we observed it to be 3. 6 out of 5 stars 327 $32. Arduino Select Raspberry Pi Elektor. This project is in a very early prototype stage and is at the moment only capable of measuring inductors. 4PCS Breadboards Kit Include 2PCS 830 Point 2PCS 400 Point Solderless Breadboards for Arduino Proto Shield Distribution Connecting Blocks WayinTop PCB Board Kit, Double Sided Prototype Boards 6 Sizes 40 Pin 2. THGS Newest GM328A Transistor Tester / Frequency / PWM / Square Wave / LCR Meter / Voltmeter. 2mm thick at the tip, which makes testing 0603 parts a bit clumsy. After finishing my last project - "Simple LC meter", there were some discussions in the forum I am a member of, that ability to measure electrolytic capacitors would be very useful in this type of device. If you are from Denmark ! read the Danish version !! In the good old days I had some parts but now. It works so well behind its uncluttered front panel that one could almost forget the subtleties of the measurement techniques employed. Total Ratings 25, 100% agree - Would recommend. Arduino Forum > Forum 2005-2010 (read only) > General > Exhibition > Arduino LC Meter With Frequency. 01 to 100R, Support in Circuit Testing. The optional 4. 3% +/- 1 digit each depending on selected Range. Krisbow KW06-489 Operating Instruction [excerpt] agama android app arduino at89s52 atmel avr. LCD Transistor Tester LCR T4 Mega328 ESR Meter Diode Triode Capacitance PNP MOS LCD Transistor Tester: $10. Science with your Sound Card!. This project is a simple LC meter based on PIC16F682A mcu. The system combines an on-board frequency generator with a 12-bit, 1 MSPS, analog-to-digital. Especially in ARM, mbed, Arduino® field. 01pF to 47000uF with Accuracy up to 0. Device drivers are developed on CSPI. The technique depends on the convective heat loss to the surrounding fluid from an electrically heated sensing element or probe. 33 Ground Floor, Citi Tower, Chungi No. And i have got the same situation. It is powered by 9V layer-built battery, can use 2 li-ion batteries to form a 8. The inductance meter is a device that can be used to measure the unknown inductance of an inductor or a simple coil. The latter is a 10K ohm trimmer potentiometer used to set the calibration of the ESR meter after the circuit is built. 10VRMS to 1. Yes you can walk into grainger or some other supply store and demo a $500 unit while testing a. It’s reading a little bit low, but well within the +/- 10% rating of the cap. 95/5, Shoynik Villa, Link Road Moddle Badda , Ghulshan 1, Dhaka-1212 Phone: +88 01995584278 Fax: (099) 453-1357. Next test i made, i disconnected MAX485 converters, and i connected UART pins from first arduino to the second one (UART = Rx(8) <-> Tx(9), Tx(9)<->Rx(8)) and GND. Dick Smith Q-1559 Digital LCR Multimeter. AC test signal voltage is variable from 5 mVrms to 2 Vrms, the AC current is adjustable up to 66. test high precision, with minimal control buttons, and strive to interface t. If this happens and you are positive you. With the U1733C you can perform quick, basic LCR measurements at your convenience. Now you can measure at frequencies as high as 100 kHz, a capability that is typically found only in benchtop meters. Use to monitor batteries, DC voltage, and more. For over 40 years, IET Labs has been manufacturing a complete line of LCR meters, capacitance meters, impedance meters and inductance meters…from the laboratory grade 1693 Digibridge, to the 2 MHz 7600+ Precision LCR meter, to the full featured and economical 1920 LCR meter. Dick Smith Q-1559 Digital LCR Multimeter. Mass flow meters measure flow based on the mass of a fluid passing through the meter. With the one-touch automatic identification function button displays component type and more detailed component analysis such as Z, ESR, and DCR, you can get measurements done faster. It provides very stable and high resolution measurement up to 5 digits. 999 Mohm at Farnell. Shop the top 25 most popular Diy Inductance Meter at the best prices!. The lowest inductance test is usually something like 200 uH. The MS8911 smart SMD tester is a professional instrument for measuring inductance (L), capacitance (C) and resistance (R). 500 ppm LCR Meter (3) Part 3: PCBs, BOMs, assembly, calibration After the flood of theory, design considerations and software descriptions in the first two installments we are ready to tackle practical matters like PCBs, BOMs, assembly and calibration. Good for lighting LED's, driving other circuits - useless for reading sensors. These meters use precise rotors that spin as the liquid flows. Yes, there are specialized LCR meters that let you measure inductance but they typically won’t measure voltages or currents. diod tester antena digital gm328a capacheck digital lcr meter digital lcr arduino case digital esr meter gm328 This product belongs to Home , and you can find similar products at All Categories , Tools , Measurement & Analysis Instruments , Electrical Instruments , Multimeters. LCR Meter 60MOhm 4000uF 6H. In order to overcome the difficulty of finding the resistance value, we are going to build a simple Ohm Meter using Arduino. As the executive element of mechanical equipment, servo motor is used widely in servo system. Auto-range. Share on Tumblr. The compact size design, 2U height and 1/2 rack is one of the practical features of series which is optimum space saver suitable for either bench top or system rack. I'm fully responsible for the tester development. 000uH to 100. 4 illustrates the phasor diagram for a LCR series circuit in which X C is greater than X L showing that when V C exceeds V L the situation illustrated in Fig 9. 52 Free Shipping!. 8 out of 5 stars. GENERAL DESCRIPTION This 3 1/2 digital LCR meter with highly stable performance and unit symbol display function is driven by 9V battery. The assumption that multimeters always measure the correct value isn't so obvious as we wish. Shop a range of LCR Meters | Capacitance, Inductance and Resistance at Distrelec with Next Day Delivery Available, Local Expert Advice & Over 150,000 products in stock. 2 Gohm, U1730C Series at element14. Keysight E4980A Precision LCR Meter User's Guide Eleventh Edition FIRMWARE REVISIONS This manual applies directly to instruments that have the firmware revision A. It has many features, such as automatic identification, automatic measurement range, high measurement accuracy and speed, wide measuring range and more. Additionally the pins can be HIGH (+5 volts), to charge the capacitor; or LOW (ground. Цифровой esr, lcr метер, тестер для конденсаторов t4 mega328 используется для проверки и определения параметров элементов питания, конденсаторов, резисторов, катушек индуктивности, диодов, npn и pnp транзисторов, симисторов и. This is a functionality that I found missing in just about any digital multi meter. LCR Meter, Bench, 2 kHz, 9. 3 is reversed. This LC Meter allows to measure incredibly small inductances starting from 10nH to 1000nH, 1uH to 1000uH, 1mH to 100mH and capacitance from 0. When Lx or Cx is connected in the circuit the oscillator frequency will decrease and this decrease is measured by a frequency-voltage converter build with T3 and T4. Arduino Ohm Meter, arduino projects, diy arduino ohm meter, how to measure resistance, resistance value, resistor, simple arduino projects Share on Tumblr To know discrete Resistors Value, we use Color code technique or use Multimeter else we can use Arduino to calculate the Unknown Resistor value by using known Resistor, Voltage and Current flow. • |Z|, L, C, R testing • DC, or 4 Hz to 8 MHz (up to 10MHz special order available) • 0. 4µH accuracy: ±1. The response signal from the impedance is sampled by the on. n transistor pnp general purpose robomart pack of. The C setting is for capacitance and the R is for resistance. The technique depends on the convective heat loss to the surrounding fluid from an electrically heated sensing element or probe. Achieve success with Keysight’s impedance measurement solutions. この LCRメータ(正式名:TransistorTester)を簡単に作るため Arduino(アルドゥイーノ) を使った自作したものを紹介します。. 99999 kH, 10 F, 99. A typical LC meter is nothing but a wide range LC oscillator. The meter measures the voltage across and the current through the DUT. 8V 30-40A Power Supply (PDF) #N#Yaesu FT-897 - PC interface (PDF) #N#AT89C2051 serial COMs to LED driver. You may want to change the following values in the Arduino sketch, compile and upload the modified sketch to the Arduino board. Be inspired: enjoy affordable quality shopping at Gearbest!. The MS8911 smart SMD tester is a professional instrument for measuring inductance (L), capacitance (C) and resistance (R). Shop the top 25 most popular Diy Inductance Meter at the best prices!. Deprecated: Function create_function() is deprecated in /www/wwwroot/dm. DESCRIPTION: Well this is a Very Accurate LC Meter based on PIC 16F628A. Description: Resistance measurement maximum resolution 0. This is a functionality that I found missing in just about any digital multi meter. Total Ratings 13, 100% agree - Would recommend. The instrument's compact 2U half-rack form factor is suitable for the bench or rack mount installation. La Main board e la LCD board sono assemblate e testate. This project is an advanced LCR meter based on PIC16F690 microcontroller. Product Description/Product Image Technical Specifications/Datasheet. Tektronix makes high quality affordable scopes. AC test signal voltage is variable from 5 mVrms to 2 Vrms, the AC current is adjustable up to 66. 50VRMS but also a bias function for voltage 0 to 5V and a current rating of 0 to 200mA. 52 Free Shipping!. Arduino Kits ; Arduino Robots As you would expect from an LCR meter, the LCR45 is great for measuring your inductors, capacitors and resistors. 63 BIGTREETECH TFT35 E3 V3. Vichy DM4070 LCR Meter Teardown A few weeks ago I was inspired by VK2ZAY's LC Test Oscillator video and wanted to build one of my own. This LC meter design is pretty old but since it is a perfectly good device there was no need to design/build/debug one of my own. Simple Audio Frequency Meter. What is LCR Meter - an overview! LCR Meters are used to measure parameters of basic passive electronics components viz Resistor, Capacitor, and Inductor. 4Vrms +/- 5%, so it should be ok for in-circuit stuff. 12-A (12th fl) Center Point, Concord Tower, Tejkuni Para, Farmgate, Dhaka-1215 Phone: +88-02-58156018 Fax: +88-02-9144764 Email: [email protected] The compact size design, 2U height and 1/2 rack is one of the practical features of series which is optimum space saver suitable for either bench top or system rack. UNI-T UT603 LCR meter. LCR Meter +-Clamp Meters. LC meter is now ready, just select the operating mode (LX o CX), insert unknow component and write F2 (the new frequency) in the software: press F1 (or calculate button) and the calculated value will be shown on the screen. Arduino UNO in Bangladesh The Arduino Uno is a microcontroller board based on the ATmega328 (datasheet). 99999 kH, 10 F, 99. Fortunately, the LCR supports the USBTMC standard and there happens to be a Python library for USBTMC. Our handheld devices make it easy to gauge inductance, capacitance and resistance. com, find free presentations research about Lcr Meter PPT. The Last circuit was added on Thursday, November 28, 2019. Jual Measuring Tool - Sanwa - LCR700 LCR MetersHandy type LCR meter dengan harga Rp3. 0 out of 5 stars 30 $329. "In a time of universal deceit - telling the truth is a revolutionary act. With the U1733C you can perform quick, basic LCR measurements at your convenience. 4PCS Breadboards Kit Include 2PCS 830 Point 2PCS 400 Point Solderless Breadboards for Arduino Proto Shield Distribution Connecting Blocks WayinTop PCB Board Kit, Double Sided Prototype Boards 6 Sizes 40 Pin 2. A Pretty Good LC Meter Based on the AVR Microcontroller Calculates and displays L and C from oscillation frequency using reference components. Calibration. Hot Mega328 Digital Transistor Tester Diode Triode Capacitance Resistance ESR Meter MOS PNP NPN. 52 Free Shipping!. 99999 kH, 10 F, 99. Q = 2*PI*Fo*L/R for the series LCR (or (1/R)*sqrt(L/C) ). 5 Digit Display. LCR Research Pro1 Plus - 100KHz LCR Meter with 0. While looking for software, I found an application called Visual Analyser (it is Windows only, and closed-source, but free to download). Use this meter to perform basic troubleshooting on anything connected to an outlet, like refrigerators, dryers, and other appliances, as well as electronic devices found around the home and garage. There are many Capacitance Meters available in the market but we have built an Arduino Capacitance Meter in this project. Having inspired from surprisingly accurate LC Meter. Device can be used to analyze the analog performance of any analog device. Description: Factory Outlet High-grade Arduino LCR-T4 Transistor Tester Diode Triode Capactitance ESR LCR Meter MOS PNP NPN for Arduino Uno. In the case of all multiples of the circuit has been granted separate schemas. It endeavors to provide the products that you want, offering the best bang for your buck. This sketch is a compilation from various free sources one can find on the Internet and the original code. The ADC reads the voltage V2 and generates an equivalent value 'ValueADC'at the ADC register. Measuring with an Arduino. Most devices include test leads, batteries and instructions. A dream opportunity for our readers who are passionate about measurement to enjoy themselves. 1%, test frequencies up to 100 kHz. GW Instek LCR-8220 Korkean taajuuden LCR-mittari, 10 Hz20 MHz. 200PF/2000PF/20nF/200nF/2uF/20uF/200uf?2000uf/20mf. * LSI-circuit provides high reliability and durability. They are operated and powered directly from any standard Laptop or PC without the need for additional battery power pack or main supply. They can be easily unscrewed if you want to file them down, but this may affect the accuracy (there doesn't appear to be a way to calibrate it) - the lower bounds on the ranges (300Ω, 3 nF) are somewhat limiting. Manufacturing No. Please Note: Outher Casing is not essambled and the Battery is Not Included. The LCR-6100 (CE) from GW Instek is a LCR-6000 series 10Hz to 100KHz (±0. The E4981A capacitance meter offers a high-speed with reliable measurements for ceramic capacitor testing in the production lines. Whatever arduino esr meter styles you want, can be easily bought here. Use a short circuit instead of the reference resistor. PT TES is a company specialized in Testing and Measuring equipment and Educational Training System. 50VRMS but also a bias function for voltage 0 to 5V and a current rating of 0 to 200mA. A Surprisingly Accurate Digital LC Meter. Transistor LCR Tester LCD Capacitance PNP T4 Triode Meter MOS ESR Mega328 Diode Diode MOS Mega328 ESR Transistor T4 Triode PNP LCR Meter LCD Tester Capacitance. 4V battery pack for long time power. With LCD display, Peak LCR45's smart meter to inductors, resistors, and arbitrary impedance, easy to use and comes with various features. Hantek TO11 1832C LCR Meter Review & Teardown | Voltlog #303 I never really had any professional LCR meter in my lab so far, I’ve only done measurements using this transistor tester which also features a rudimentary LCR function but that’s about to change because today we’ll be taking a close look at the Hantek TO11 handheld LCR meter. WIDE APPLICATION: This multifunctional capacitance meter can be used to test triode, field-effect tube(FET), diode, resistor, capacitor, inductor, MOS, SCR, which is available for various electric transistor testing. 2020 popular Diy Inductance Meter trends in Tools, Consumer Electronics, Electronic Components & Supplies, Lights & Lighting with Diy Inductance Meter and Diy Inductance Meter. E4980-90200 September 2013. Each Arduino capacitance meter relies on a property of resistor capacitor (RC) circuits- the time constant. This LC meter design is pretty old but since it is a perfectly good device there was no need to design/build/debug one of my own. 500 ppm LCR Meter (3) Part 3: PCBs, BOMs, assembly, calibration After the flood of theory, design considerations and software descriptions in the first two installments we are ready to tackle practical matters like PCBs, BOMs, assembly and calibration. GENERAL DESCRIPTION This 3 1/2 digital LCR meter with highly stable performance and unit symbol display function is driven by 9V battery. M4070 LCR meter is auto-ranging component tester. Pictured above is the first "prototype" LC meter, shown testing a. If this happens and you are positive you. Model 2097k for measurements between 1 kHz and 2097 kHz. With the U1733C you can perform quick, basic LCR measurements at your convenience. Sylvain Bissonnette said that this LC meter has few features: inexpensive, high accuration, auto scale, auto calibration, can be use as a frequency meter with only small modification, measure capacitance and inductance. Krisbow KW06-489 Operating Instruction [excerpt] agama android app arduino at89s52 atmel avr. Professional instruments and equipment for development and test, inlcude: Agilent® N5181A Analog Signal Generator; Agilent® E5062 Vector Network Analyzer; Agilent® 8594E Spectrum Analyzer; GA4033 Spectrum Analyzer; Agilent® E4980A LCR Meter; UC2835 LCR Meter; MSO5074 Oscilloscope;. r/arduino: A place for all things Arduino! Press J to jump to the feed. BRT 4-20mA-GE Series Current Source 4-20mA Signal Generator is a high integrated low cost panel-mounted 4-20mA (0-20mA) current source signal generator or 4-20mA simulator module with LED display. diod tester antena digital gm328a capacheck digital lcr meter digital lcr arduino case digital esr meter gm328 This product belongs to Home , and you can find similar products at All Categories , Tools , Measurement & Analysis Instruments , Electrical Instruments , Multimeters. It is designed for sensor’s signal simulation, meter’s testing, valve calibration, etc. Inductance, Capacitance, LC Meter. 1920 "2015 transistor tester diode triode capacitance lcr meter" 3D Models. Compre Medidor LCR Digital para Indutores, Capacitores e Resistores - Minipa MC-155 na Usinainfo com os melhores preços e condições do mercado. 9999 Mohm, LCR-6000 Series + ตรวจสอบสต็อกและระยะเวลารอ 5 พร้อมจัดส่งใน 3 - 4 วันทำการ: (สต๊อก อังกฤษ) สั่งซื้อก่อน 18:35 น. Instead of a capacitor, use a resistor. 20 LCR-T4 LCR-T5 ATmega328 Digital Transistor Tester 12864 LCD Capacity ESR Meter. Voor dit lab-artikel gingen we aan de slag met drie LCR-meters van totaal verschillende makelij. Digital LCR meter using arduino. 99999 kH, 10 F, 99. LCR Meter, Bench, 100 kHz, 9. LCR Meter Circuit and Frequency Meter Circuit project PIC and atmel ATmega32 8 with a lot of built in circuit LCR meters in addition to the frequency ölçümüde. Capacitance three tests , range 18pf to 4F. They are one of the. Click to find the best Results for meter case Models for your 3D Printer. Top 10 Best ESR Meter Reviews 01. This is a functionality that I found missing in just about any digital multi meter. 9 Mohm, Smart Tweezers Series. Main chip is the DIP, easy for electronic. Keysight E4980A Precision LCR Meter User's Guide Eleventh Edition FIRMWARE REVISIONS This manual applies directly to instruments that have the firmware revision A. 179K subscribers. LCR Meter, Bench, 300 kHz, 9. It endeavors to provide the products that you want, offering the best bang for your buck. De antieke meter van de Retro-tronica-afdeling is er eentje van General Radio Company (GRC) type 1650-A Impedance Bridge, gebouwd in 1960. Just use a freaking good LCR meter to measure your reference components plus a few test components. 5''tftlcd Usb Rs232 - $495. LC meter precision is 3%. An example of this is the LCR45 LCR meter from Peak Electonic Design which has two buttons - on/menu and enter/off. A multimeter can measure them easily. Here's my quick review of this product. Hot LCR-T4 Mega328 M328 ESR Meter LCR led Transistor Tester Diode Triode Capacitance MOS PNP/NPN Electric Meter Features : 3. Lux Meter Aug 3, 2005: This is a simple Lux Meter that is suitable for beginners. UNI-T UT603 LCR meter. The Electronics Category is for discussion of electronics in general and governance of the committee. It endeavors to provide the products that you want, offering the best bang for your buck. If you are checking a 12V power supply and your multimeter shows “12. The board has specific features that make it great for use as an LCR meter, including an external SMPS to generate Vcore logic supply, 24MHz HSE, and is Arm Mbed ready. The BK894 and BK895 are high accuracy LCR meters capable of measuring inductance, capacitance, and resistance of components and materials at DC or from 20 Hz to 500 kHz or 1 MHz respectively. 01%) (4 digits resolution) high precision LCR meter. Re: digital LCR meter hello supi , i am not aware of the internals of the autocomput lcr meter. Model 16777k for measurements between 1 kHz and 16777 kHz. Auto-range. Additionally the pins can be HIGH (+5 volts), to charge the capacitor; or LOW (ground. 999 Mohm at Farnell. test high precision, with minimal control buttons, and strive to interface t. 9 Mohm, Smart Tweezers Series at Farnell. Grainger offers a litany of LCR Meters to test electronic and electric-run machinery. 05% accuracy • Accuracy guaranteed range from 1 mΩ. Learn more about the usage and properties of the Arduino analog to digital converter. Introduction of the LCR meter for Arduino created. Accurate source and measurement ensure the test quality that is suitable for performing exact, reliable testing crucial for battery module / pack incoming or outgoing inspection as well as capacity, performance, production and qualification testing. Our handheld devices make it easy to gauge inductance, capacitance and resistance. 10VRMS to 1. Unlike other handheld instruments such as LCR meters that make measurements using an AC signal with a specific test frequency, they measures capacitance by applying a constant current that. 001 ohm differences in order to determine if there are problems in the windings. Description. I searched the Web and found a very cute project named LCM3 on this Hungarian site: hobbielektronika. Science with your Sound Card!. If you want to buy cheap lcr meter kit, choose lcr meter kit from banggood. com/39dwn/4pilt. ARM Development. 01, Refresh Time up to 0. 2% of the charging voltage. Hantek launched a new generation portab HANTEK attended HK Electronics Fair (20 Hantek unveiled the 2019 China Higher E Hantek Attends the 93th China Electroni ‘Small size, big function’,Hantek2000 s Windows 10 driver and update instructio. This project is a simple LC meter based on PIC16F682A mcu. 02 from Rohde & Schwarz is a LCR bridge/meter. Capacitor* Measure Range 1pF~10uF. 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