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M162 LCR Meter

Photo of the M162 LCR Meter

M162 LCR meter is a great complimentary tool to most multi-meters. Regular multi-meters are good in many way. But they usually have rather limited or even no ability for capacitance, inductance, and sub-ohm resistance measurement. The addition of a M162 LCR meter will overcome this deficiency. The DIY kit version of M162 is very easy to build. No special calibration is required to achieve ~1% accuracy.

Highlights of M162 LCR Meter:

  • Resistance range: 0.1ohm — 20M ohm
  • Capacitance range: 1pF — 20mF
  • Inductance range: 1uH — 20KH
  • Fully automatic ranging
  • Accuracy: about 1%
  • Built-in virtual USB comport for data output and firmware upgrade
  • Serial data output via USB comport or direct LVTTL
  • Display HOLD function
  • USB/Battery powered
  • Easy to build, easy to use
  • Optional acrylic enclosure (sold separately)

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See more pictures:
Assembled
Kit
Assembled with enclousre
Main board
Assembed analog board
Measurement example on 1K 0.1% resistor

Product Update [2022.07.12]

A small tool was added to the kit version of M162. It helps to hold the contact arms in place so that the soldering can be done easier. Please see this drawing. The Assembly Guide has also been updated.


Specifications

Display

  • Primary: R, C, L
  • Secondary: Q, D, ESR
  • Equivalent Circuit Mode: Parallel or Serial
  • Primitive Data: |Z| and Θ, or Rs and Xs

Measurement Range and Accuracy

  • R, |Z|: 0.1Ω - 20MΩ
  • C: 1pF - 20000μF
  • L: 1μH - 20000H
  • Q, D: 0 - 10000
  • Θ: -90° - 90°
  • Accuracy: About 1% (tested for resistance 1Ω - 1MΩ)

Measurement Conditions

  • Test Frequency: 100Hz, 1KHz
  • Open Voltage: 0.5Vpp

Miscellaneous

  • Measurement Connections: 4 Kelvin wires on the test terminals
  • Ranging: Fully automatic
  • Compensations: Open, Short
  • Serial Data Output: Yes
  • Power Supply: USB or battery
  • Power Consumption: < 100mA @ 5V
  • Dimensions: 111 x 76 x 25 mm (4.37" x 3.0" x 1.0")
  • Weight: 100g

Documents:

User Manual (Rev.00)
Assembly Guide (Rev.02)
Schematic (main board)
Schematic (Analog board)

SKU NumberContents
16201K

M162 LCR Meter DIY kit

  • 1x M162 LCR Meter DIY kit
  • Assembly Guide
  • User Manual
16201

M162 LCR Meter (assembled)

  • 1x M162 LCR Meter assembled and tested
  • User Manual

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