M-740 AC/DC Clamp Milliammeter (CE)40mmφCT, AC/DC leakage current

AC/DC Leakage Current Measurements (CE)

FEATURES

High sensitive for low range leakage current
Suitable for measurement of 4-20mA DC controlled circuit
DC mV analog signal output
Lowest influence from Magnetization and Terrestrial magnetism
Wide measuring ranges - up to DC 1000mA and AC10A

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Catalog：e_ca_m740.pdf
Instruction Manual ：e_ma_m-740.pdf

SPECIFICATIONS
Safety Standard	IEC61010-1/61010-2-032 CATⅡ 600V or CATⅢ 300V
Measuring function	AC/DC current
Measuring method	Clamp CT Type
Jaw opening capability	40mmφ
Measuring ranges	DC 100mA/1000mA, AC 100mA/1000mA/10A (45Hz～65Hz)
AC current detection	Average sensing
A/D conversion	Dual integration method
Display	Max. 2000 count on LCD with annunciator
Over range indication	"OL" mark on LCD
Data hold indication	"DH" mark on LCD
Zero adjustment	For DC current range, by "0 ADJ" switch
Sampling rate	1 time/sec. for DC and 6 times/sec. for AC
Low battery indication	"B" mark on LCD
Signal Output	DC 100mV full scale to each range (output impedance: less than 10KΩ)
Limitation of circuit voltage	less than AC/DC 600V
Operating temperature	0～50℃, < 85%RH (without condensation)
Storage temperature	-10～60℃, < 70%RH (without condensation)
Withstanding voltage	AC 3700V/1 minute between CT and outer case
Auto power off	Approx. 10 minutes after power on and can absolve this function by switch
Power supply	UM-4×4
Consumption Current	Approx. 9mA (approx. 200h for continuous use)
Dimension	Display Part 78(W)×155(H)×32(D)mm, approx. 280g CT (CTP-40DC) 69(W)×175(H)×24(D)mm, approx. 180g
Accessories	Soft Case, Batteries, Instruction Manual
Option	Cable for Recorder

Accuracy (23℃±5℃, less than 85%RH)
DC Current	100mA 0.1～±99.99mA / 0.01mA / ±1%rdg±10dgt 1000mA 1～±300mA / 0.1mA / ±1%rdg±10dgt ±300～±700mA / 0.1mA / ±2%rdg±10dgt ±700～±999.9mA / 0.1mA / ±3%rdg±10dgt ※ Influence of Terrestrial Magnetism : Less than ±2.0mA ※ Influence of Magnetization : Less than ±2.0mA by DC 1.5A on/off ※ Max Input Current : DC 1.5A
AC Current	100mA 0～99.99mA / 0.01mA / ±1%rdg±10dgt(50/60Hz) 1000mA 0～999.9mA / 0.1mA / ±1%rdg±10dgt(50/60Hz) 10A 0～9.999A / 0.001A / ±1%rdg±10dgt(50/60Hz) ※ Max Input Current : AC 20A

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