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

AC High Voltage Clamp Meter

HCL-7000DX-M AC High Voltage Clamp MeterA successor model to replace the HCL-5000 series/HCL-9000 series/HCL-1000DM, and be used under the MV system.

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Use on the overhead distribution line or the primary side of transformer up to max 23kV for load current measurement.


・Display measurement value on the LCD of body and dedicated display unit MDU series through blue-tooth connecting.
・Suitable use to check for the defect analog tachometer on wattmeter of transformer.
Attention: Currently, this product cannot be connected to the our APP.
Measuring function AC load current
CT shape Round shape
CT Inside diameter 35mm
Measuring range 20A/ 200A/ 600A (Auto)
Accuracy 20A/200A range:
±2.5%rdg ±8dgt
600A range:
±2.5%rdg ±8dgt in 200A ~ 399A
±3.0%rdg ±8dgt in
400A ~ 600A
Resolution 20A range:
200A range:
600A range:
Applicable frequency 50~60Hz
Sampling rate Two times / second
Insulation resistance 100MΩ or more by DC 1000V insulation tester (Between hot stick grip to the universal joint)
Limitation of circuit voltage AC 23kV when connected to the hotstick with more than 1m.
Withstanding voltage AC 24kV when connected to the hotstick with more than 1m.
Operating temp & humidity range 0℃~40℃, 80%RH or less
Storage temp & humidity range -10℃~60℃, 80%RH or less
Power supply AAA(LR03) size battery×3
Dimension / Weight W66×H215.4×D55mm(Not including the universal joint)
Approx 400g (including battery weight)