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DC Current Sensor

AC Current Sensor

Measuring Instruments

AC/DC Clamp Meter／Leakage Clamp Meter

M-730 AC/DC Clamp Milliammeter (CE)30mmφCT, 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
Sleeping current measurements for automotive electronics circuit
Jaw opening capability 30mmφ

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What is parasitic current ? Let's try to measure by M-730 !!

method of operation

SPECIFICATIONS
Withstanding Voltage AC 3700V/1 minute between CT and outer case
Storage Temperature -10～60℃, < 70%RH (without condensation)
Accuracy DC Current
(Accuracy:23℃±5℃, less than 85%RH)
Range/Measuring Range/Resolution/Accuracy
100mA/0.1～±99.99mA/0.01mA/±1%rdg±10dgtt
1000mA/1～±300mA/0.1mA/±1%rdg±10dgt
1000mA/±300.1～±700mA/0.1mA/±2%rdg±10dgt
1000mA/±700.1～±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
Influence of CT opening and closing: Less than ±1.0mA
Max. input current : DC 1.5A

AC Current
(Accuracy:23℃±5℃, less than 85%RH)
Range/Measuring Range/Resolution/Accuracy
100mA/0～99.99mA/0.01mA/±2%rdg±10dgt(50/60Hz)
1000mA/0～999.9mA/0.1mA/±2%rdg±10dgt(50/60Hz)
10A/0～9.999A/0.001A/±1%rdg±10dgt(50/60Hz)

Max. input current : AC 20A
Operating Temperature 0～50℃, < 85%RH (without condensation)
Power supply LR6, AM-3 or AA size battery×4
Dimension Main unit:78(W)×155(H)×32(D)mm, Approx. 280g 33(W)×170(H)×24(D)mm
CT (CTP-30DC):1.2m lead, Approx. 165g
AC Conversion Average sensing rms reading
Safety standard IEC61010-1, IEC61010-2-032
CATⅡ 600V or CATⅢ 300V
Jaw opening capability 30mmφ
Limitation of circuit voltage Less than AC/DC 600V
Accessories Carrying case, Batteries, Instruction manual
Current Consumption Approx. 9mA (Approx. 200 hours continuous)
Option Cable for recorder
Sampling rate 1 time/sec. for DC and 6 times/sec. for AC
Display Max. 2000 count on LCD with annunciators
Measuring function AC/DC leakage current
Measuring ranges DC 100mA/1000mA, AC 100mA/1000mA/10A (45Hz-65Hz)
A/D Conversion Dual slope integration method
Over range indication "OL" mark on LCD
Data hold indication "DH" mark on LCD
Low battery indication "Battery" mark on LCD
Analog signal output DC 100mV full scale to each range
(Output impedance: less than 10kΩ)
Auto power off Approx. 10 minutes after last switch operation
(Auto power off function can be released by the switch)
Measuring method Clamp type CT
Zero adjustment For DC current range by "0 ADJ" switch
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