The Sanwa M53 is a digital insulation resistance tester, with DCV & ACV measurement functions. In addition to that, it has an optional speed measurement function (requires: Sanwa Speedometer SE-9100) that enables the unit to read output voltage directly as a speed value.
The M53 has two test voltage ranges, 500 Volts DC and 15 volts DC. It has a measurement accuracy of ± (2 % reading + 2 digit) when measuring insulation resistance. The analog to digital converter in this device uses the double-integration method and has a sample rate of 2.5 samples per second.
FEATURES
- Auto Ranging
- Two test voltage ranges DC 500 V and DC 15 V
- Auto power off after one minute from power-on
- Low battery indication
- Remote speed measurement (with optional SE-9100 Speedometer)
- 1999 count LCD display
SPECIFICATIONS
| Function | Measuring range | Accuracy |
|---|---|---|
| MΩ | 2/20/200MΩ?3 auto ranges) | Within±(2%+2? |
| Test voltage | 15/500V | |
| ACV | 200/750V?2 auto ranges) | Within±(1%+0.5%Ranges+1? |
| DCV | 20/750V?2 auto ranges) | Within±(0.5%+0.5%Ranges+1? |
| Rated current | 500V/1.0mA 15V/Approx. 50μA Lowest resistance to maintain the rated measuring voltage: 500V/0.5MΩ or higher, 15V/0.3MΩ or higher | |
| Display | 1999 | |
| Sampling rate | Approx. 2.5times/sec | |
| Battery | LR6(AA alkaline battery)1.5V×6 | |
| Size/Mass | H175×W115×D55mm/Approx. 600g | |
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