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Clamp-on Tester CL340 (Leakage Current Clamp Meter, 400A)

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  • Leakage current measurement device with current range from 40mA to 400A
  • Light weight and compact design
  • Manual range switching and auto power-off functions
  • 40mm 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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Suporte Técnico
Brochuras
Manual de instruções

What Causes Leakage Current?

Even when powered off, most circuits leak current. This is because some amount of current always finds its path toward the ground, even through electrical insulation. Leakage current can begin to waste energy and affect equipment performance.

How Leakage Current is Measured?

Clamp meters can be used to detect current leakage.

Description Leakage Current Mini Clamp-on
Method of detection Mean Value
Display LCD (Digital display: 3999 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 15 mm-dia conductor carrying 100A
Influence of conductor position 40/400 mA range: Within 5 dgt at every part inside the jaw400A range, 0 to 250A:Within ±0.5% rdg ±5 dgt at every part inside the jaw section
Influence of Residual Current 12 mA or less in proximity to a 10 mm-dia conductor carrying 100A
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 LR03 x 2
R0-3(UM-4) x 2
Battery Life Approx. 40 hours (continuous)
Consumed current Approx. 13 mA
Auto power-off Approx. 10 minutes
Diameter of measurable conductor 40 mm at maximum
Dimensions Approx. 81 (W) x 185 (H) x 40 (D) mm
Weight Approx. 270 g
Accessories Batteries, carrying case (93030)
User's manual (IM CL340)
Peak Hold On all range

 

DC Current Range -
DC Current Resolution -
AC Current Range 40/400mA,400A
AC Current Resolution 0.01mA
AC Current Frequency characteristics 20~1kHz
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 O
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 (20Hz～) 50/60Hz
AC current 40mA/400mA 2.5+10 (20～1kHz) 1.0+5 (50/60Hz)
400A(0～350A) 2.5+10 (40～1kHz) 1.0+5 (50/60Hz)
400A(350～400A) 5.0 (40～1kHz) 2.0 (50/60Hz)
Brochuras
Manual de instruções
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