Introduction 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 ohmCapacitance range 1pF 10000uFInductance range 1uH 20HFully automatic rangingAccuracy about 1 Measurement frequency 1KHz 100Hz selectableMeasurement voltage 0 6VppBuilt in virtual USB comport for data output and firmware upgradeSerial data output via USB comport or direct LVTTLDisplay HOLD functionUSB 5V poweredEasy to build easy to useSelf test mode for verifying the correctnes of assemblyAcrylic panels includedSpecifications Display Primary R C LSecondary Q D ESREquivalent Circuit Mode Parallel or SerialMeasurement Range and Accuracy R Z 0 1�© 10M�©C 1pF 10000�¼FL 1�¼H 20HQ D 0 10000Accuracy About 1 Measurement Conditions Test Frequency 100Hz 1KHzOpen Voltage 0 6VppMiscellaneous Measurement Connections 4 Kelvin wires on the test terminalsRanging Fully automaticCompensations Open ShortSerial Data Output YesPower Supply USBPower Consumption 100mA 5VDimensions 66 x 32x 19mm 2 60 x 1 26 x 0 75 Weight 23g 76g with probes Document