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AC/DC Current, 40A/400A/2000A, True rms reading, 55mmφ CT Model 270 (CE)
FEATURES Wide current measurements with tear drop type 55mmφCT up to 2000A. True rms reading for ACA and ACV. Data-hold and Auto power off function. Additional AC/DC voltage, resistance, diode test, continuity check. Auto zero adjustment for DC current offset. Conform to IEC safety requirements.

AC/DC Current, 40A/400A/2000A, True rms reading, 55mmφ CT

Model 270 (CE)

FEATURES

Wide current measurements with tear drop type 55mmφCT up to 2000A.
True rms reading for ACA and ACV.
Data-hold and Auto power off function.
Additional AC/DC voltage, resistance, diode test, continuity check.
Auto zero adjustment for DC current offset.
Conform to IEC safety requirements.

SPECIFICATIONS

Safety standard

IEC 61010-1, IEC 61010-2-032
Installation CategoryⅢ600V phase to earth.

E.M.C. standard

EN 61326

Measuring method

Dual slope integration mode

AC conversion

True rms responding

Display

3.5 digit LCD, max. reading of 3999

Jaw opening capability

55mmφ

Over range indication

Blanking of all digits except MSD 1

Low battery indication

"Battery" mark on LCD

Data hold indication

"DH" mark on LCD

Sampling

2 times/sec

Withstanding voltage

AC 5500V 1 minute max. (Between the core of CT and outer case)

Operating temperature

0℃ to 40℃, 80%RH max. ( Without condensation )

Storage temperature

-10℃ to 60℃, 70%RH max. ( Without condensation )

Power supply

1.5V (AM-4, LR03 or AAA)×2

Power consumption

25mW

Auto power off

Approx. 10 minutes later after power on

Battery life

Approx. 90 hours continuous

Size

85(W)×240(H)×34(D)mm

Weight

Approx. 350g

Accessories

Hard carrying case	:	1
Instruction manual	:	1
Test lead	:	1set
Batteries	:	2

Crest factor

< 3 (0～50% of range)
< 2 (50～100% of range)

Accuracy

(23℃±5℃, 80%RH or less)

Function	Range	Resolution	Accuracy	Max. input
ACA(50/60Hz) DCA Manual range	40A	0.01A	±2%rdg±8 dgt	AC/DC2000A
	400A	0.1A	±1.5%rdg±8 dgt
	2000A	1A	±1.5%rdg±8 dgt
ACV(50/60Hz) DC V Auto/Manual range	400mV	0.1mV	±1.2%rdg±8 dgt	AC/DC 600Vrms
	4V	0.001V
	40V	0.01V
	400V	0.1V
	600V	1V
Frequency(Hz) Auto range	100Hz	0.01Hz	±0.5%rdg±3 dgt	AC/DC 600Vrms
	1000Hz	0.1Hz
	10kHz	0.001kHz
	100kHz	0.01kHz
	1000kHz	0.1kHz
Resistance(Ω) Auto/Manual range	400Ω	0.1Ω	±1.5%rdg±8 dgt	Input protection
	4kΩ	0.001kΩ		250 Vrms
	40kΩ	0.01kΩ
	400kΩ	0.1kΩ
	4000kΩ	1kΩ
	40MΩ	0.01MΩ	±3%rdg±10 dgt
Continuity check	400Ω	0.01Ω	Continuity beeper	250Vrms
Continuity check	400Ω	0.01Ω	Approx. < 40Ω	250Vrms
Diode test	3V	0.001V	±10%rdg±3 dgt	250Vrms