The Triplett Model MG420 Analog Insulation Tester tests Insulation Resistance to 400MΩ using three test voltages (250V, 500V, and 1000V), and also measures AC Voltage and Low Resistance. Additional features include a Lock Power function for hands-free operation, backlit multiband analog display with zero adjust, live circuit LED indicator, plus built-in battery check. CAT IV 600V safety category.
Features:
- Insulation Resistance to 400MΩ
- 250V, 500V, and 1000V Test Voltages
- Backlit multiband analog display with zero adjust
- Lock Power feature for hands-free operation
- Low Resistance measurement
- AC Voltage measurement
- Live circuit LED indicator
- Built-in battery check
Specifications:
| MG420 | |
| Insulation Range | 100MΩ, 200MΩ, 400MΩ |
| Accuracy | ±5% Full Scale |
| Resolution | 0.2MΩ |
| Test Voltages | 250V, 500V, 1000V |
| AC Voltage | 600VAC |
| Resistance | 3Ω, 500Ω |
| Safety Category | CAT IV 600V |
| Power | (6) AA batteries |
| Dimensions | 7.9 x 3.6 x 2” (200 x 92 x 50mm) |
| Weight | 24.7oz (700g) |
