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Megger MIT 1025 10KV Insulation Tester

Weekly Hire Cost From: £110.00

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The Megger MIT 1025 is designed to carry an Insulation Resistance test, which is a qualitative test that indicates the effectiveness of a product’s electrical insulation.


Applications include cables, transformers, motors/generators, circuit breakers and bushings. The IR test is ideal for measuring and recording long term stability of insulation over time, a process known as trending. IR tests are temperature dependent and require adjustment to a reference temperature.


The Megger MIT 1025 insulation resistance tester is smaller and lighter than previous models yet offers advanced features and rapid charge capability. It has a range of up to 10 kV with a resistance measurement up to 20 TΩ

A key feature of the MIT 1025 is the ability to take measurements when connected to line power/mains with a dead battery. Intelligent battery charging ensures the optimum charge rate as a function of battery level, resulting in minimum charge times.

The rugged case provides ultimate protection for a portable instrument and a clip-on lead pouch ensures that leads remain with the instrument at all times. The case lid is removable for improved terminal access. IP rating is IP65 with the case closed preventing water/dust ingress. High reliability and safety are built in; all models are safety rated to CATIV 600 V and are double insulated.

Five preset voltage ranges are provided in insulation test mode, plus a user settable lock voltage range. Preconfigured diagnostic tests include Polarisation Index (PI), Dielectric Absorption Ratio (DAR), dielectric discharge (DD), Stepped Voltage (SV) and ramp test.  Simplicity of operation is achieved with two rotary switches and the large backlight display enables multiple results to be displayed simultaneously.

Advanced memory storage includes time/date stamping of results, logging of data and recall of results to screen. A fully isolated USB device interface (type B) is used for safe transfer of data to Megger’s PowerDB / Pro, Advanced and Lite asset management software