Megger MIT300 Insulation & Continuity Tester
The Megger MIT300 Insulation & Continuity Tester gives electrical contractors a straightforward way to carry out insulation and continuity testing with one rugged, portable instrument. It provides 250 V and 500 V DC insulation test voltages, making it suitable for domestic, commercial and industrial electrical testing.
A digital display shows clear numerical results, while the analogue-style LCD bar graph provides a moving indication during testing. The Megger MIT300 Insulation & Continuity Tester measures insulation resistance from 10 kΩ to 999 MΩ and continuity from 0.01 Ω to 99.9 Ω. Its integrated continuity buzzer activates below 5 Ω, and the locking test button supports longer test procedures.
A tough rubber-armoured case, integrated protective cover and IP54 weatherproofing help the instrument withstand demanding working conditions. The Megger MIT300 Insulation & Continuity Tester warns the user when it detects a live circuit, automatically discharges the circuit after insulation testing and prevents testing when it detects more than 50 V. Megger also equips the tester with its Intelligent Safety System, while the instrument supports Category III 600 V applications in accordance with IEC 61010-1.
Key Benefits
- Offers straightforward insulation and continuity testing in one portable instrument.
- Provides both numerical readings and an analogue-style bar graph for clear test indication.
- Supports 250 V and 500 V DC insulation tests for a range of electrical testing work.
- Measures insulation resistance up to 999 MΩ for broad insulation test coverage.
- Uses a fast continuity function with an audible buzzer operating below 5 Ω.
- Warns when test probes are connected to a live circuit and inhibits testing above 50 V.
- Automatically discharges the circuit after insulation testing to support safer working.
- Uses a protective cover and rubber-armoured construction to help protect the instrument during transport and use.
- Provides IP54 weatherproofing for limited outdoor use.
- Includes automatic power-down to reduce unnecessary battery use.
Common Applications
Megger MIT300 Insulation & Continuity Tester is suitable for a range of testing, maintenance and inspection tasks, including:
- Domestic electrical insulation testing.
- Commercial electrical insulation testing.
- Industrial electrical insulation testing.
- 250 V DC insulation resistance testing.
- 500 V DC insulation resistance testing.
- Continuity testing of electrical circuits.
- Insulation resistance measurement up to 999 MΩ.
- Electrical contractor testing relating to the current edition of the IEE Wiring Regulations.
Why Choose This Model?
The MIT300 provides the core 250 V and 500 V insulation and continuity functions of the MIT300 range without the additional 1000 V test setting offered by the MIT310, MIT310A, MIT320 and MIT330. It is suited to buyers who need the entry-level digital and analogue-display model rather than the extra functions available on higher models in the series.