Yokogawa CL255 2000 Amp AC/DC Clamp-On Tester

	Model CL255
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CL255
2000 Amp AC/DC Clamp-On Tester

CL225 2000 Amp AC/DC Clamp-On Tester

Features

AC/DC current measurements with current ranges up to 2000A.
AC/DC voltage and resistance measurements
True RMS display
DC output.
55mm in diameter of measurable conductor.
Sleep Function
Data Hold Function
Approved for conformity to safety standards EN61010-1, EN61010-2-031, EN61010-2-032 (CAT III 600V, CAT II 1000V).

Specifications

Parameter	Reference	Accuracy
DC Current	400/2000A	1.5+2
AC Current	400A/2000A (150 to 1700A)	1.5+3 (50 to 60Hz)
AC Current	400A/2000A (150 to 1700A)	3.0+4 (30 to 1kHz)
	2000A (1701 to 2000A)	3.5+3 (50 to 60Hz)
DC Voltage	40/400/1000V	1.0+2
AC Voltage	40/400/750V	1.5+3 (50 to 60Hz)
AC Voltage	40/400/750V	2.0+4 (30 to 1kHz)
Crest Factor		3 or less
Resistance	400Ω/4000Ω	1.5+2 Beeps at below 20Ω (continuity check)
Frequency	10Hz to 3999Hz	1.5+5
Output	DC 400A (0 to 400mV)	±1.5% rdg ±3mV
	DC 2000A (0 to 200mV)	±1.5% rdg ±3mV
	AC 400A (0 to 400mV)	±1.5% rdg ±3mV (50 to 60Hz)
	AC 2000A (15 to 175mV/ 150 to1700A)	±3.0% rdg ±3mV (40 to 500Hz)
	AC 2000A (170.1 to 200mV/ 1701 to2000A)	±3.5% rdg ±3mV (50 to 60Hz)

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

General Specifications

Parameter	Specification
Method of detection	True RMS
Display	LCD (Digital Display: 3999 counts)
Response Time	Approx 1 second (on DC current and Voltage ranges)
Response Time	Approx 2 seconds (AC current/voltage and resistance ranges)
Range Switching	Auto-range
Data Hold	On all ranges (without peak hold)
Peak Hold	On Current/Voltage ranges
Ambient Temperature	0°C to 40°C
Relative Humidity	up to 40°C RH 85% (no condensation)
Influence of External Magnetic Field	4A or less at 400A/m
Influence of Conductor Position	±(1.5% rdg + 3dgt) or less
Safety Standard	EN61010-1, EN61010-2-031, EN61010-2-032
Circuit Voltage	1000Vrms or less
Withstanding Voltage	5.55kV AC for one minute
Power Supply	6F22 (006P) 9V x 1 or 6LR61 x 1
Battery Life	Approx. 15 hours (continuous)
Consumed Current	Approx 15mA
Sleep Function	Approx. 10 minutes after last switch operation.
Diameter of Measurable Conductor	55mm at maximum
Dimensions	105mm (W) x 250mm (H) x 49mm (D)
Weight	Approx. 540g
Accessories	User's manual (IM CL255), Test Lead (98011), Output Plug (98012), batteries and Carrying case (93034)