Yokogawa CL155 2000A AC Current Clamp-On


The CL155 is a versatile and highly accurate Clamp-on meter with a array of features ideal for most applications. The CL155 is the true RMS version of the CL150 series, with the added benefit of being able to provide a better reading representation of waveforms with distortions and harmonics.. This unit is rugged, reliable and cost effective. Jaws accommodate up to 30mm conductors.


  • Preventative maintenance
  • Testing for current leakage on branch circuits
  • Measuring current draw of motors and motor control circuits
  • Measuring Loads

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SKU: Yokogawa CL155 Category: Tags: ,

Yokogawa CL155 Features :

  • 3 1/2 digit LCD display
  • AC current measurement with current ranges up to 2000A
  • True RMS
  • AC/DC voltage and resistance measurements
  • DC output
  • 54mm in diameter of measurable conductor
  • Mean value display
  • DC output function
  • Data hold function
  • Sleep function
  • Approved for conformity to safety standards:
    EN61010-1,EN61010-2-031, EN61010-2-032 (CAT. III 600 V, CAT. II 1000 V)

Yokogawa CL155 Specifications

Parameter Reference Accuracy
AC Current 400A 1.0+3 (50/60Hz)
2.0+3 (40 to 1kHz)
2000A(0 to 1500A) 1.0+3 (50/60Hz)
3.0+3 (40 to 1kHz)
2000A(1500 to 2000A) 3.0(50/60Hz)
AC Voltage 40/400/750V 1.0+2 (50/60Hz)
1.5+3 (40 to 1kHz)
DC Volatage 40/400/1000V 1.0+2
Resistance 400/4k/40k/400kΩ 1.5+2 , Beeps at below 50±35Ω(cntinuity chek)
DC Output 400A(0 to 400mV) 1.5% rdg ±0.5mV (50/60Hz)
±2.5% rdg ±0.5mV (40 to 1kHz)
2000A(0 to 150mV/0 to 1500A) ±1.5% rdg ±0.5mV (50/60Hz)
±3.5% rdg ±0.5mV (40 to 1kHz)
2000A(150 to 200mV/1500 to 2000A) ±3.5% rdg (50/60Hz)
At 23 deg.C ±5 deg.C, 75% RH or less
Accuracy: ±(% rdg + dgt) = ±(% readout + value of least significant digit)


Method of detection Mean value
Display LCD(Digital display:3999 counts)
Response Time Approx. 2 seconds
Range Switching Manual-range(on AC current range)/
Auto-range(on AC/DC voltage range, resistance range)
Data Hold On all range
Peak Hold On AC current range
Ambient temperature and humidity 0 to 40 deg.C, 85% RH or less (no condensation)
Temperature Coefficient _
Influence of external magnetic field 1A or less at 400A/m
Influence of conductor position ±(2.0% rdg + 3dgt) or less
Safety Standard Conforms EN 61010-1, EN61010-2-032
Circuit Voltage 1000Vrms or less
Withstanding Voltage 5.55kV AC for one minute
Power Supply R6P(SUM-3) ×2 or LR6 ×2
Battery Life Approx. 150 hours (continuous)
Consumed Current Approx. 5mA
Sleep Function Automatically powered down in about 10 minutes after the last switch operation
Diameter of measurable conductor 54mm at maximum
Dimensions Approx. 105(W) × 247(H) × 49(D)mm
Weight Approx. 470g
Accessories User’s manual(IM CL150), batteries,
carrying case(93034)


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