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M181 LCR Meter

Photo of the M181 LCR Meter

M181 LCR meter is a practical kit for measuring the R, C, or L of either through-hole or surface-mount components. It features about 1% accuracy, which is adequate in most engineering scenarios. Not only being very easy to build, it also includes a Self Test mode that helps users to verify the correctness of assembly. Compact in size and the capability of serial output make the meter a great choice for many embedded applications.

Highlights of M181 LCR Meter:

  • Resistance range: 0.1ohm — 10M ohm
  • Capacitance range: 1pF — 10000uF
  • Inductance range: 1uH — 20H
  • Fully automatic ranging
  • Accuracy: about 1%
  • Measurement frequency: 1KHz/100Hz selectable
  • Measurement voltage: 0.6Vpp
  • Built-in virtual USB comport for data output and firmware upgrade
  • Serial data output via USB comport or direct LVTTL
  • Display HOLD function
  • USB (5V) powered
  • Easy to build, easy to use
  • Self test mode for verifying the correctnes of assembly
  • Acrylic panels included

Buy online


See more pictures:
Kit contents
Assembled
Outlook
Partially pre-soldered PCB
Measurement example – capacitor
Measurement example – resistor

Videos:
Measuring capacitors (through-hole)
Measuring inductors (through-hole)
Measuring resistors (SMD)
Measuring capacitors (SMD)
Measuring inductors (SMD)

Specifications

Display

  • Primary: R, C, L
  • Secondary: Q, D, ESR
  • Equivalent Circuit Mode: Parallel or Serial

Measurement Range and Accuracy

  • R, |Z|: 0.1Ω - 10MΩ
  • C: 1pF - 10000μF
  • L: 1μH - 20H
  • Q, D: 0 - 10000
  • Accuracy: About 1%

Measurement Conditions

  • Test Frequency: 100Hz, 1KHz
  • Open Voltage: 0.6Vpp

Miscellaneous

  • Measurement Connections: 4 Kelvin wires on the test terminals
  • Ranging: Fully automatic
  • Compensations: Open, Short
  • Serial Data Output: Yes
  • Power Supply: USB
  • Power Consumption: < 100mA @ 5V
  • Dimensions: 66 x 32x 19mm (2.60" x 1.26" x 0.75")
  • Weight: 23g (76g with probes)

Documents:

M181 User Manual
M181 Assembly Guide
M181使用说明
M181装配说明
Schematic
Component Locations

Firmwares:

Click here

SKU NumberContents
18101K

M181 LCR Meter DIY kit

  • 1x M181 LCR Meter DIY kit

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