Yokogawa CL320 Clamp-on Leakage Tester


The Yokogawa CL320 Clamp-on Leakage Tester offers an inexpensive dedicated Clamp-on meter that allows you to measure from 20mA AC to 200A AC with a wide frequency response range.

The Yokogawa CL320 is ideal for non-evasive electrical safety testing, measuring leakage current tests without powering down or disconnecting equipment – saving you time, without compromising on quality or safety.


pdf_sml    Yokogawa CL Clampmeter Datasheet

pdf_sml    Yokogawa CL320 User Manual

If you would like more information regarding this product, simply email us here.
  • This field is for validation purposes and should be left unchanged.


Yokogawa CL320 Clamp-on Leakage Tester 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)

Yokogawa CL320 Layout

Yokogawa CL320 Clamp-on Leakage Tester Specifications:

Display LCD (Digital display: 1999 counts)
Current Range 20/200mA,200A
Current Resolution 0.01mA
Ac Frequency Characteristics 40~400Hz
Specific Accuracies
Accuracy (20mA/200mA): 2.0+4 (50/60Hz)
Accuracy 200A (0~100A): 5.0+6 (40~400Hz)
Accuracy 200A (100.1~200A): 5.0+4 (50/60Hz)
Accuracy (20mA/200mA): 3.0+5 (50/60Hz)
200A(0~100A) 3.0+5 (50/60Hz)
200A(100.1~200A) 5.0+5 (50/60Hz)
General specifications
Method of Detection Mean value
Response Time Approx. 2 seconds
Range Switching Manual-range
Data Hold On all range
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 300Vrms or less
Withstanding Voltage 3.7kV AC for one minute
Auto power-off Approx. 10 minutes
Diameter of measurable
24mm at maximum
Operating Temp.: 0 – 40°C
Relative Humidity: 85% (non condensing)
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)
Power Supply LR-44 x2(3V) or SR-44 x2
Battery Life Approx. 100 hours (continuous)
Consumed Current Approx. 9 m