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- M-740 AC/DC Clamp Milliammeter (CE)
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AC/DC Clamp Meter／Leakage Clamp Meter
M-740 AC/DC Clamp Milliammeter (CE)40mmφCT, AC/DC leakage current
AC/DC Leakage Current Measurements (CE)
特征
High sensitive for low range leakage currentSuitable 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
下载
- 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 |
