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DC Current Sensor

AC Current Sensor

Measuring Instruments

AC/DC Clamp Meter／Leakage Clamp Meter

M-270+ AC/DC Digital Clamp Tester (CE)55mmφCT, ACA, ACV/True rms, DCA, DCV, Hz, Ω

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

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SPECIFICATIONS
Measuring method Dual slope integration mode
AC Conversion True rms responding
Display 3.5 digit LCD, max. reading of 3999
Maximum input AC(50/60Hz)A
DC A:AC/DC 2000A(within 3 second)
AC(50/60Hz)V
DC V:AC/DC
600V rms
Ω:Input protection
250V rms
(within 10 second)
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
ACA(50/60Hz) DCA Manual range/400A/0.1A/±1.5%rdg±8 dgt/AC/DC2000A
ACA(50/60Hz) DCA Manual range/2000A/1A/±1.5%rdg±8 dgt/AC/DC2000A
ACV(50/60Hz) DC V Auto/Manual range/400mV/0.1mV/±1.2%rdg±8 dgt/AC/DC 600Vrms
ACV(50/60Hz) DC V Auto/Manual range/4V/0.001V/±1.2%rdg±8 dgt/AC/DC 600Vrms
ACV(50/60Hz) DC V Auto/Manual range/40V/0.01V/±1.2%rdg±8 dgt/AC/DC 600Vrms
ACV(50/60Hz) DC V Auto/Manual range/400V/0.1V/±1.2%rdg±8 dgt/AC/DC 600Vrms
ACV(50/60Hz) DC V Auto/Manual range/600V/1V/±1.2%rdg±8 dgt/AC/DC 600Vrms
Frequency(Hz) Auto range/100Hz/0.01Hz/±0.5%rdg±3 dgt/AC/DC 600Vrms
Frequency(Hz) Auto range/1000Hz/0.1Hz/±0.5%rdg±3 dgt/AC/DC 600Vrms
Frequency(Hz) Auto range/10kHz/0.001kHz/±0.5%rdg±3 dgt/AC/DC 600Vrms
Frequency(Hz) Auto range/100kHz/0.01kHz/±0.5%rdg±3 dgt/AC/DC 600Vrms
Frequency(Hz) Auto range/1000kHz/0.1kHz/±0.5%rdg±3 dgt/AC/DC 600Vrms
Resistance(Ω) Auto/Manual range/400Ω/0.1Ω/±1.5%rdg±8 dgt/250 Vrms
Resistance(Ω) Auto/Manual range/4kΩ/0.001kΩ/±1.5%rdg±8 dgt/250 Vrms
Resistance(Ω) Auto/Manual range/40kΩ/0.01kΩ/±1.5%rdg±8 dgt/250 Vrms
Resistance(Ω) Auto/Manual range/400kΩ/0.1kΩ/±1.5%rdg±8 dgt/250 Vrms
Resistance(Ω) Auto/Manual range/4000kΩ/1kΩ/±1.5%rdg±8 dgt/250 Vrms
Resistance(Ω) Auto/Manual range/40MΩ/0.01MΩ/±3%rdg±10 dgt/250Vrms
Continuity check/400Ω/0.01Ω/Approx. < 40Ω/250Vrms
Diode test/3V/0.001V/±10%rdg±3 dgt/250Vrms
Crest factor < 3 (0～50% of range)
< 2 (50～100% of range)
Buzzer rumbling The buzzer rumbles when
The power is turned on/turned off
The range switch is changed
The data hold switched on
The measured data is displayed "OL" The continuity check finds that the resistance is below 40 Ω
Jaw opening capability 55mmφ
Over range indication Blanking of all digits except MSD 1
Data hold indication "DH" mark on LCD
Sampling 3 times/sec
Withstanding Voltage AC 5500V 1 minute max. (Between the core of CT and outer case)
Safety standard IEC 61010-1, IEC 61010-2-032
Installation CategoryⅢ600V phase to earth.
E.M.C. standard EN 61326
Operating Temperature 0℃ to 40℃, 80%RH max. ( Without condensation )
Storage Temperature -10℃ to 60℃, 70%RH max. ( Without condensation )
Low battery indication "Battery" mark on LCD
Auto power off Approx. 10 minutes later after power on
Power supply 1.5V (AM-4, LR03 or AAA)×2
Power consumption 36mW
Battery life Approx. 60 hours continuous
Size 85(W)×240(H)×34(D)mm
Weight Approx. 400g
Accessories Hard carrying case:1
Instruction manual:1
Test lead:1set
Batteries:2
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