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

AC/DC Clamp Meter/Leakage Clamp Meter

M-230 AC/DC Mini Digital Clamp Tester23mmφCT, ACA, DCA

AC/DC Current, 20A/200A, 23mmφ CT


23mmφCT window and ultra compact size.
Data-hold function. Especially useful when working in dark or hard to get areas.
Accurate gearing mechanism for closing of CT.
Best tool for automotive service.

0 available in stock as of August 06, 2020

Measuring method Dual slope integration mode
Display 3.5 digit LCD, max. reading of 1999
Range AC/DC 0~20A/200A
Jaw opening capability 23mmφ
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 1000V 1 minute max. (Between the core of CT and outer case)
Insulation Resistance 10MΩ or more(Between internal circuit and core of CT)
Limitation of circuit voltage Less than AC/DC 500V
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 48(W)×146(H)×20(D)mm
Weight Approx. 100g
Accessories Soft case:1
Instruction manual:1
Batteries LR-44(1.55V):2
AC Current (Accuracy 23℃±5℃, 80%RH or less)
Range/Resolution/Accuracy(50/60HZ)/Accuracy(20~500Hz)/Max. input
20A/10mA/±1.0% rdg±5 dgt/±1.0% rdg±5 dgt/500A peak
200A/100mA/±1.5% rdg±5 dgt (0~150.0A) ±2.5% rdg±5 dgt (150.1~199.9A)/±2.0% rdg±5 dgt (0~150.0A) ±3.5% rdg±5 dgt (150.1~199.9A)/500A peak
DC Current (Accuracy 23℃±5℃ 80%RH or less)
Range/Resolution/Accuracy/Max. input current
20A/10mA/±1.0% rdg±3dgt/500A peak
200A/100mA/±1.5% rdg±3 dgt(0~150.0A) ±2.5% rdg±3dgt(150.1~199.9A)/500A peak