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

AC High Voltage Clamp Meter

HCL-9000S High Insulation Digital Clamp Tester35mmφCT, ACA

AC Current measurements up to 23kV circuit


Safe AC current measurement by optical isolated.
transmission method for the circuit having internal voltage from AC 80V to AC 23000V.
Provides wide range of current measurements from AC 0.01A to 600A.
Provides the smooth and easy clamping of the cable with special made PUSH TO OPEN and PULL TO DISCONNET mechanism.
Useful analog signal data output for the recorder.
Sealed for splash proof and contaminants.
Withstanding Voltage AC 46kV, 1 minute
(Between operation handle and core of CT)
Insulation Resistance 100MΩ or more by DC 1000V insulation tester
(Between operation handle and core of CT)
Accuracy (23℃±5℃, 80RH or less)
AC 20A/0.01A/±2.5% rdg ± 8 dgt
AC 600A/1A/0-400A :±2.5% rdg ± 8 dgt 400-600A :±3% rdg ± 8 dgt
Power supply CT part : 1.5V ("AAA" size) ×3
Display part : 1.5V ("AAA" size) ×2
Power consumption CT part : 5mA
Display part : 3mA
Weight Approx. 800g
Measuring Range AC 0-20A / 600A(50/60Hz), 2 ranges manual
AC Conversion Average sensing rms reading
Jaw opening capability 35mmφ
Limitation of circuit voltage AC 80Vrms to 23000Vrms
Size 70(W)×550(H)×48(D)mm (When retracted)
70(W)×1110(H)×48(D)mm (When stretched)
Accessories Carrying case:1
Instruction manual:1
Structure Handle and display part is Optically isolated from CT part
Display 3.5 digit LCD, max. reading of 1999 with annunciators
Measuring function AC load current
Data hold indication "DH" mark on LCD
Low battery indication Red LED lamp(CT)
"B" mark on LCD(Display unit)
Measuring method Dual slope integration mode
Sampling 2 times/sec
Data output DC 100mV (20A range)
DC 30mV (600A range)
Optical transmission Infrared LED
Data output accuracy ±1% of full count
Output impedance: 10kΩ or less
Splash proof Water resistance rank Ⅱ(Japanese standard)