Clamp-on Tester CL320 (Leakage Current, 200A)

DC Clamp Meter CL320 Features

Leakage current measurement with current range from 20mA to 200A
Light weight and compact design
Manual range switching and auto power-off functions
24mm in diameter of measurable conductor
Mean value display
Auto power-off
Manual range switching
Approved for conformity to safety standards EN61010-1, EN61010-2-032(CAT. III 300 V)

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Digital Clamp Meter How to Use

Always observe instruction manual cautionary notes.
Follow maximum voltage level restrictions (up to 300V AC).
Keep transformer jaws fully closed during current measurement.

AC Current Measurement:
Set range switch.
Press jaw open/close lever and close jaws over one conductor only. The measured current value is shown on display.

Description Leakage Current Mini Clamp-on
Method of detection Mean Value
Display LCD (Digital display: 1999 counts)
Response Time Approx. 2 seconds
Range Switching Manual-range
Data hold On all range
Operating temperature and humidity 0 - 40°C, 85% RH or less (no condensation)
Influence of external magnetic field 10 mA or less in proximity to a 14.4 mm-dia conductor carrying 100A
Influence of conductor position Within 5 dgt for 0 to 50A, or 2% for 50 to 200A (10 mm-dia conductor at inside the jaw)
Influence of Residual Current 10 mA or less in proximity to a 10 mm-dia conductor carrying 50A
Safety Standard Conforms EN61010-1, EN61010-2-032
Circuit voltage 300 Vrms or less
Withstanding voltage 3.7 kV AC for one minute
Power Supply LR-44 x 2(3V)
SR-44 x 2
Battery Life Approx. 15 hours (continuous)
Consumed current Approx. 5 mA
Auto power-off Approx. 10 minutes
Diameter of measurable conductor 24 mm at maximum
Dimensions Approx. 60 (W) x 149 (H) x 26 (D) mm
Weight Approx. 120 g
Accessories Batteries, carrying case (93033)
User's manual (IM CL320)


DC Current Range -
DC Current Resolution -
AC Current Range 20/200mA,200A
AC Current Resolution 0.01mA
AC Current Frequency characteristics 40~400Hz
AC Current Method of detection Mean Value
AC Voltage Measurement -
DC Voltage Measurement -
Continuity Check Measurement -
Frequency Measurement -
Temperature Measurement -
Recorder output Function -
Waveform monitor output Function -
Data hold Function O
Auto hold Function -
Peak Hold Function -
Maximum value memory Function -
Mean value display Function -
Filter Function O
Range Hold Function O
Auto ZERO Adjust Function -
Auto power-off Function O


At 23°C±5°C,75%RH or less
Accuracy: ±( % rdg + dgt) = ±(% readout + value of least significant digit)

Parameter Reference Accuracy
WIDE(40~400Hz) 50/60Hz
AC current 20mA/200mA 2.0+4 (50/60Hz) 3.0+5 (50/60Hz)
200A(0~100A) 5.0+6 (40~400Hz)
200A(100.1~200A) 5.0+4 (50/60Hz) 5.0+5 (50/60Hz)
Instruction Manuals

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