We specialize in Current Sensors, CT Sensors, and Measuring Instruments.

AC/DC Clamp Meter/Leakage Clamp Meter

M-240 AC/DC Mini Digital Clamp Tester (CE)30mmφCT, ACA, DCA

AC/DC Current, 20A/200A, 30mmφ CT (CE)


30mmφCT window and ultra compact size.
Data-hold function. Especially useful when working in dark or hard to get areas.
Conform to IEC safety requirements.

41 available in stock as of July 08, 2020

Safety standard IEC 61010-1, IEC 61010-2-032
Installation CategoryⅡ600V or CategoryⅢ300V.
E.M.C. standard EN 61326
Measuring method Dual slope integration mode
Display 3.5 digit LCD, max. reading of 1999
Polarity "-" sign for negative polarity
Range AC/DC 0~20A/200A
Accuracy (23℃±5℃, 80%RH or less)
Range/Input range/Resolution/Accuracy/Accuracy/Max. input current
AC 20A/0~19.99A/10mA/±1.5% rdg±5 dgt(50/60Hz) ±2.0% rdg±5 dgt(20~500Hz)/±1.5% rdg±5 dgt(50/60Hz) ±2.0% rdg±5 dgt(20~500Hz)/500A peak
AC200A/0~150.0A/100mA/±1.5% rdg±5 dgt(50/60Hz) ±2.0% rdg±5 dgt(20~500Hz)/±1.5% rdg±5 dgt(50/60Hz) ±2.0% rdg±5 dgt(20~500Hz)/500A peak
AC200A/150.1A~199.9A/100mA/±3.0% rdg±5 dgt(50/60Hz) ±4.0% rdg±5 dgt(20~500Hz)/±3.0% rdg±5 dgt(50/60Hz) ±4.0% rdg±5 dgt(20~500Hz)/500A peak
DC20A/0~±19.99A/10mA/±1.5% rdg±3 dgt/±1.5% rdg±3 dgt/500A peak
DC200A/0~±150.0A/100mA/±2.0% rdg±3 dgt/±2.0% rdg±3 dgt/500A peak
DC200A/±150.1~±199.9A/100mA/±3.0% rdg±3 dgt/±3.0% rdg±3 dgt/500A peak
Jaw opening capability 30mmφ
Over range indication Blanking of all digits except MSD 1
Maximum indication 1999
Low battery indication "B" mark on LCD
Data hold indication "DH" mark on LCD
Sampling 2 times/sec
Withstanding Voltage AC 3700V 1 minute max. (Between the core of CT and outer case)
Operating Temperature 0℃ to 40℃, 80%RH max. ( Without condensation )
Storage Temperature -10℃ to 60℃, 70%RH max. ( Without condensation )
Power supply 1.55V (SR-44, LR-44)×2
Power consumption 7mW
Battery life SR-44 (30 hours), LR-44 (16 hours)
Size 44(W)×146(H)×20(D)mm
Weight Approx. 80g
Accessories Soft case:1
Instruction manual:1
Batteries LR-44(1.55V):2