Multi Measuring Instruments Co.,Ltd. Japanese Chinese
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AC/DC Clamp tester/leaker

AC/DC Clamp Milliammeter

PRODUCTS
AC/DC Leakage Current Measurements
Model 730 (CE)
AC/DC Clamp Milliammeter. Model 730 (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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DETAIL
SPEC
SPECIFICATIONS
Safety standard : IEC61010-1, IEC61010-2-032
CATⅡ 600V or CATⅢ 300V
Measuring function : AC/DC leakage current
Measuring method : Clamp type CT
Jaw opening capability : 30mmφ
Measuring ranges : DC 100mA/1000mA, AC 100mA/1000mA/10A (45Hz-65Hz)
A/D conversion : Dual slope integration method
AC conversion : Average sensing rms reading
Display : Max. 2000 count on LCD with annunciators
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 : "Battery" mark on LCD
Analog signal output : DC 100mV full scale to each range
(Output impedance: less than 10kΩ)
Limitation of circuit voltage : Less than AC/DC 500V
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 last switch operation
(Auto power off function can be released by the switch)
Power supply : LR6, AM-3 or AA size battery×4
Current consumption : Approx. 9mA (Approx. 200 hours continuous)
Dimension :
Main unit : 78(W)×155(H)×32(D)mm, Approx. 280g
CT (CTP-30DC) : 33(W)×170(H)×24(D)mm
1.2m lead, Approx. 165g
Accessories : Carrying case, Batteries, Instruction manual
Option : Cable for recorder
Accuracy : (23℃±5℃, less than 85%RH)
DC Current
Range Measuring Range Resolution Accuracy
100mA 0.1~±99.99mA 0.01mA ±1%rdg±10dgtt
1000mA 1~±300mA 0.1mA ±1%rdg±10dgt
±300.1~±700mA ±2%rdg±10dgt
±700.1~±999.9mA ±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
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