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

AC Leakage Clamp Meter

M-340 Mini AC Leakage Current Clamp Tester (CE)40mmφCT, ACA

AC Leakage Current, 2mA /20mA /60A, 40mmφ CT (CE)


40mmφCT window and ultra compact size.
Least affection from the external magnetic field.
Accurate current measurements.(AC1μA-60A)
Safety standard IEC 61010-1, IEC 61010-2-032, Installation
CategoryⅡ600V or CategoryⅢ300V.
Measuring method Dual slope integration mode
Display 3.5 digit LCD, max. reading of 1999
Range AC 0~2mA/20mA/60A
Accuracy 23℃±5℃ 80%RH or less (50/60Hz)
AC 2mA/1μA/±1.0% rdg ± 5dgt
AC 20mA/10μA/±1.0% rdg ± 5dgt
AC 60A/100mA/±1.0% rdg ± 5dgt(0~50A) ±5.0% rdg ± 5dgt(50A~60A)
Jaw opening capability 40mmφ
Over range indication Blanking of all digits except MSD 1
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 3.5mW
Battery life Approx. 80 hours(LR-44)
Size 68.5(W)×175(H)×23(D)mm
Weight Approx. 145g
Accessories Soft case:1
Instruction manual:1
Batteries LR-44(1.55V):2