Clamp-on Tester CL250 (AC/DC 2000A)

  • AC/DC current measurements with current ranges up to 2000A
  • AC/DC voltage and resistance measurements
  • DC output
  • 55mm in diameter of measurable conductor
  • Mean value display
  • Sleep function
  • Data hold function
  • Approved for conformity to safety standards EN61010-1, EN61010-2-031, EN61010-2-032 (CAT. III 600 V, CAT. II 1000 V)
Description ACA, DCA, ACV, DCV, OHM, Freq. °C Continuity Check
Method of detection Mean Value
Display LCD (Digital display: 3999 counts)
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)
Operating temperature and humidity 0 - 40°C, 85% RH or less (no condensation)
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 1000 Vrms or less
Withstanding voltage 5.55 kV AC for one minute
Power Supply LR6 x 2
R6P (SUM-3) x 2
Battery Life Approx. 100 hours (continuous)
Consumed current Approx. 9 mA
Sleep Function Automatically powered down in about 10 minutes after the last switch operation
Diameter of measurable conductor 55 mm at maximum
Dimensions Approx. 105 (W) x 250 (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)
Peak Hold On all range
Max Hold On current / Voltage range


AC Current Range 400/2000A
AC Current Resolution 0.1A
AC Current Frequency characteristics 40~1kHz
AC Current Method of detection Mean Value
AC Voltage Measurement O
DC Voltage Measurement O
Continuity Check Measurement O
Frequency Measurement -
Temperature Measurement -
Recorder output Function O
Waveform monitor output Function -
Data hold Function O
Auto hold Function -
Peak Hold Function -
Maximum value memory Function O
Mean value display Function -
Filter Function -
Range Hold Function (current range)
Auto ZERO Adjust Function O
Auto power-off Function Δ


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

Parameter Reference Accuracy
DC current 400/2000A 1.5+2
AC current 400A/2000A(0~1000A) 1.5+2 (50/60Hz)
3.0+4 (40~500Hz)
5.0+4 (500~1kHz)
2000A (1001~2000A) 3.0+2 (50/60Hz)
DC voltage 400/1000V 1.0+2
AC voltage 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)
Instruction Manuals

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