SANWA · Insulation Testers
MG102
Pocket 6-range tester, 50 V to 1000 V, CAT IV 300 V.
- 50–1000 V
- 4000 MΩ
- CAT IV 300 V
The SANWA MG102 is a pocket-sized digital insulation resistance tester with six test voltages from 50 V to 1000 V. It carries a CAT IV 300 V rating, a backlit display, LED-lit test-voltage buttons and a comparator for insulation resistance values. Bhumika quotes this model for Canada.

Features
- Six test voltages: 50 / 100 / 125 / 250 / 500 / 1000 V
- Up to 4000 MΩ at 500 V and 1000 V
- Pocket size, approx. 336 g
- Large backlit LCD; LED-illuminated test-voltage buttons
- Comparator function for insulation resistance
- Automatic live-circuit detection prevents testing a live circuit
- Auto discharge after measurement
- Test-voltage selection mode (power-on option)
Specifications
| Insulation resistance | 50 V: 0.999 / 9.99 / 99.9 MΩ; 100/125 V: 0.999 / 9.99 / 99.9 / 250 MΩ; 250 V: 0.999 / 9.99 / 99.9 / 500 MΩ; 500/1000 V: 0.999 / 9.99 / 99.9 / 999 / 4000 MΩ; ±(2%+6); resolution 0.001 MΩ |
|---|---|
| Rated voltage | 50 / 100 / 125 / 250 / 500 / 1000 V |
| AC/DC voltage | 600 V (AC/DC automatic detection); ±(1.2%+5); resolution 0.1 V |
| Resistance | 999.9 / 9.999k / 99.99k / 999.9k Ω; ±(1.5%+7); resolution 0.1 Ω |
| Continuity | 9.999 Ω; ±(1.5%+7); resolution 0.1 Ω; buzzer sounds at 30 Ω or less |
|---|---|
| Frequency | 1999 Hz (displayed during ACV measurement); ±(0.5%+5); resolution 1 Hz |
| Rated current | 1.0–1.2 mA |
| Rating | IEC61010 CAT. IV 300 V / CAT. III 600 V |
|---|
| Battery | LR6 (AA alkaline) × 4 |
|---|---|
| Dimensions | H147 × W68 × D33 mm |
| Mass | Approx. 336 g |
Standard accessories
- ATL102 test lead
- ABP301 test probe
- AAL301 adapter
- BH1 battery holder
Optional accessories
- HM-1 hanger magnet
- C-DG3a carrying case
- BH2 battery holder


