The Triplett Model MG420 Analog Insulation Tester is designed for professionals who require accurate and reliable insulation resistance testing. With a testing range of up to 400MΩ and three selectable test voltages, this device ensures comprehensive electrical assessments. Its user-friendly features, including a backlit display and hands-free operation, make it an essential tool for electricians and technicians.
Triplett MG420 Analog Insulation Tester Features
- Insulation Resistance: Tests insulation resistance up to 400MΩ, providing accurate diagnostics for electrical systems.
- Test Voltages: Selectable test voltages of 250V, 500V, and 1000V, allowing versatility for different applications.
- Backlit Display: Features a backlit multiband analog display with zero adjust for easy reading in low-light environments.
- Lock Power Function: Hands-free operation with the Lock Power feature, enhancing convenience during testing.
- Low Resistance Measurement: Capable of measuring low resistance, crucial for ensuring connections are secure and effective.
- AC Voltage Measurement: Measures AC voltage, adding functionality to test various electrical parameters.
- Live Circuit LED Indicator: Alerts users to live circuits, ensuring safety during testing procedures.
- Built-in Battery Check: Integrated battery check feature allows users to monitor the device’s power status effectively.
Triplett MG420 Detailed Specifications
| Insulation Resistance Range | Up to 400MΩ |
| Test Voltage Options | 250V, 500V, 1000V |
| Display Type | Backlit multiband analog |
| Safety Rating | CAT IV 600V |
| Included Accessories | Heavy duty test leads with alligator clip, (6) AA batteries, hanging strap, hard carrying case |
| Warranty | 1-year warranty |



















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