Electro-Meters: Yokogawa CL255 Clamp On Meters


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Yokogawa Model CL255, AC/DC Current, True RMS Clamp-on Meters


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Product Information:

***Lifetime warranty***
3 3/4 digit LCD display
True RMS display
AC/DC current measurements with current ranges up to 2000A
AC/DC voltage and resistance measurements
DC output
55mm in diameter of measurable conductor
True RMS 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) /Hz

Product Description:

The CL255 has the same specifications as the CL250 series with the added benefit of a true RMS reading display, ideal for measuring waveforms with noise or harmonics.

CL200 series has basic function of AC/DC current measurement. These clamps allow you to measure current range from 40mA to 2000A. Choose your desired diameter of measurable conductor from 24mm to 55mm.

Product Accuracy:

Parameter	Reference	Accuracy
DC Current	400/2000A	1.5+2
AC Current	400A/2000A(150 to 1700A)	1.5+3 (50/60Hz)
	400A/2000A(150 to 1700A)	3.0+4 (30 to 1kHz)
	2000A(1701 to 2000A)	3.5+3 (50/60Hz)
DC Voltage	40/400/1000V	1.0+2
AC Voltage	40/400/750V	1.5+3 (50/60Hz)
AC Voltage	40/400/750V	2.0+4 (30 to 1kHz)
Crest Factor		3 or less
Resistance	400/4000Ω	1.5+2 , Beeps at below 20Ω(continuity check)
Frequency	10 to 3999Hz	1.5+5
DC Output	DC400A(0 to 400mV)	±1.5% rdg ±3mV
	DC2000A(15 to 200mV)	±1.5% rdg ±3mV
	AC400A(0 to 400mV)/ AC2000A(15 to 170mV/150 to 1700A)	±1.5% rdg ±3mV (50/60Hz)
	AC400A(0 to 400mV)/ AC2000A(15 to 170mV/150 to 1700A)	±3.0% rdg ±3mV (40 to 1kHz)
	AC2000A(170.1 to 200mV/1701 to 2000A)	±3.5% rdg ±3mV (50/60Hz)

Product Specifications:

Parameter	Specification
Method of detection	True RMS
Display	LCD(Digital display:3999 counts)
Response Time	Approx. 1 second(on DC current/voltage range)
Response Time	Approx. 2 seconds(AC current/voltage range, resistance range)
Range Switching	Auto-range
Data Hold	On all range (without peak hold)
Peak Hold	On current/voltage range
Average Measeurement	On current/voltage range
Ambient temperature and humidity	0 to 40 deg.C, 85% RH or less (no condensation)
Temperature Coefficient	-
Influence of external magnetic field	4A or less at 400A/m
Influence of conductor position	±(1.5% rdg + 3dgt) 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
Power Supply	6F22(006P)9V x1 or 6LR61 x1
Battery Life	Approx. 15 hours (continuous)
Consumed Current	Approx. 15mA
Sleep Function	Automatically powered down in about 10 minutes after the last switch operation
Diameter of measurable conductor	55mm at maximum
Dimensions	Approx.105(W) x 250(H) x 49(D)mm
Weight	Approx. 540g
Accessories	User's manual(IM CL255), Test Lead(98011), Output plug(98012), batteries, carrying case(93034)

Downloads:

Downloads: General Specifications

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