Model CL250, Current ranges up to 2000A,
AC/DC Current Clamp-on Meters

ACA, DCA, ACV, DCV, OHM, Freq. °C Continuity Check Clamp-on Tester for AC/DC Current
(for conductors up to 54 mm in diameter)
Yokogawa CL250 Clamp-on Meters
  • 3 3/4 digit LCD display
  • AC/DC current ranges up to 2000A
  • AC/DC voltage and resistance measurements
  • DC output
  • Sleep function
  • Measures conductors up to 55mm in diameter
  • Mean value display
  • Sleep function
  • Data hold function
  • Approved for comformity to safety standards EN61010-1, EN61010-2-031, EN61010-2-032 (CAT. III 600 V, CAT. II 1000 V)

* All Clamp-on Meters include Test Leads (where applicable) and a carrying case

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


Model CL250 is a multi-function clamp meter. It is ideal for maintenance applications, for the utility industry or any application that requires diverse measurement readings.
  • Literature
  • Specifications
Literature and Technical Information
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Clamp-on Meters – Portable Test Instruments

++ CL250 Clamp-on Meters| Specification sheet
Model: Yokogawa CL250 Clamp-on Meters
Display LCD (Digital display: 3999 counts)
Specific Accuracies
DC (400/2000A) 1.5+2
AC (400A/2000A (0~1000A)) 1.5+2 (50/60Hz)
3.0+4 (40~500Hz)
5.0+4 (500~1kHz)
AC (2000A (1001~2000A)) 3.0+2 (50/60Hz)
DC (400/1000V) 1.0+2
AC (400/750V) 1.5+2 (50/60Hz)
1.5+4 (40~1kHz)
Resistance 400/4000Ω 1.5+2, Beeps at below 50±35Ω (continuity check)
DC Output
DC400A (0~400mV) ±1.5% rdg ±3mV
DC2000A (0~200mV) ±1.5% rdg ±3mV
AC400A (0~400mV)
AC2000A (0~100mV/0~1000A)
±1.5% rdg ±3mV (50/60Hz)
±3.0% rdg ±3mV (40~500Hz)
±5.0% rdg ±3mV (500~1kHz)
AC2000A (100.1~200mV/1001~2000A) ±3.0% rdg ±3mV (50/60Hz)
General specifications
DC Current Range 400/2000A
DC Current Resolution 0.1A
Response Time Approx. 2 seconds
Range Switching Auto-range (on resistance range)
Manual-range (on current, voltage range)
Method of detection Mean Value
Response Time Approx. 2 seconds
Max Hold On current / Voltage range
Peak Hold On all range
Influence of external magnetic field 4A or less at 400 A/m
Influence of conductor position ±(1.5% rdg + 3 dgt) or less
Safety Standard Conforms EN61010-1, EN61010-2-031, EN61010-2-032
Circuit Voltage 1000Vrms or less
Withstanding Voltage 5.55kV AC for one minute
Sleep Function Automatically powered down in about 10 minutes after the last switch operation
Diameter of measurable conductor 55mm at maximum
Operating temperature: 0-40°C
Relative Humidity: 85% RH or less (no condensation)
Dimensions Approx. 105(W) x 247(H) x 49(D)mm
Weight Approx. 530 g
Accessories Batteries, carrying case (93034)
Output plug (98012)
Test Lead (98011)
User’s manual (IM CL250)
Power Supply LR6 x 2
R6P (SUM-3) x 2
Battery Life Approx. 100 hours (continuous)
Consumed Current Approx. 5mA