The Megger MIT330 Insulation and Continuity Tester is designed specifically to meet the needs of today's electrical contractors: it is not only durable and easy to use, but also incorporates a comprehensive set of features designed to ensure operator safety, even under conditions of accidental misuse. Large 20mm high characters provide a very clear readout, which is combined with an analog arc for the feel of an analog instrument, with a true analog response.

The MIT330 Tester offers automatic discharge of the circuit after testing, audible and visual warning if the test probes are applied to a live circuit, and a test inhibit feature which operates automatically under live circuit conditions. The units also conform fully to IEC 61010-1 for use in Category III 600V applications, and provides all of the facilities needed to meet insulation testing requirements relating to the current edition of the IEE Wiring Regulations.

The MIT330 insulation tester features rugged construction, with an impact-resistant rubber-overmoulded case, and innovative circuitry which guarantees high accuracy combined with stability of calibration.

The MIT330 provides indication of insulation resistance up to 999Mohms, 200mA continuity testing, a fast-reacting continuity buzzer, and facilities for nulling the resistance of the test leads. The MIT330 allows testing at 250V, 500V and 1000V.

The MIT330 Insulation and Continuity Tester also offers a default voltmeter function as well as a backlit display, illuminated range panel, insulation limit alarm, resistance measurement, and an adjustable threshold for the continuity buzzer. The tester is also supplied with a switched test probe to speed hands free testing.

The MIT330 tester incorporates a dual solid-state display, which simultaneously shows the test results numerically, and in the form of a moving-arc bar graph that accurately simulates the operation of an analogue meter.

The MIT330 additionally offers the facility to save test results to internal memory. Over 1000 result can be saved on site, and downloaded to a computer when convenient.

Data is stored in non-volatile memory, being retained when the instrument is switched off or batteries are exhausted. A Job reference number can be selected for a range of results, allowing separate locations to be tested with the same tester and easily separated when downloaded.

A memory bar graph acts as a 'Fuel Gauge', showing how much memory has been used. Test results are downloaded to CSV (Coma Separated Variable) spreadsheets. If certificates or reports are required, the results can be downloaded directly into Megger Powersuite Professional with a range of features for creating professionally finished documentation.

The MIT330 tester comes complete with a full calibration certificate.