Insulation testing

Brand new MIT1025 offers a new compact, light weight 10kV insulation resistance tester for diasnostic and maintenance of high voltage testingn and maintenance of electrical equipment.

10kV d.c. Insultation Resistance Tester

Model: MIT1025

Producer: Megger

country of origin: United Kingdom

CAT IV insultation resistance tester MIT1025 allows the operator to measure insulation resistance up to 20TΩ with all test modes including a ramp test plus advanced memory functions with recall to screen, RTC for time/date stamp of results and USB cable interface to PC / PowerDB.

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Key features
Measures up to 30 TΩ
Safety rated up to CAT IV 1000 V to 3000 m
Unique dual-case design - additional user protection
Operates from battery or a.c. mains supply
Rapid charge Li-ion battery
Advanced memory with time / date stamp


Brand new MIT1025 belongs to a new range of insulation resistance testers that are smaller and lighter than previous models, offering advanced functions, longer battery life and fast charging capability.

Being capable of measuring up to 20 TΩ in the 10 kV range. text text

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.

The MIT range share dual case design, which includes a tough outer case to protect the tester from knocks/drops and an inner fire retardant case. The IP rating is IP65 case closed eliminating moisture and dust ingress.

a.c. voltage (auto-ranging)
90-264 V rms, 47- 63 Hz 100 VA
Battery charge time
2.5 hours deep discharge,
2 hours normal discharge
Battery life
11.1 V, 5.2Ah Li-ion batteries,
meet IEC 62133:2003, MIT1525 has 2 battery packs
Test voltage
4.5 hours (typical) continuous testing
at 10 kV with a 100 MΩ load
User defined test voltage
500 V, 1000 V, 2500 V, 5000 V, 10000 V, User defined test voltage.
Test voltage accuracy
50 V to 1 kV in 10 V steps,
1 kV to 5 kV in 25 V steps,
5 kV to 15 kV in 25 V steps
Resistance range
+4%, -0%, ±10 V nominal test
voltage at 1 GΩ load (0°C to 30°C)
MIT 1025 accuracy (20ºC)
±5% from 1 MΩ to
2 TΩ
1 TΩ
500 GΩ
200 GΩ
100 GΩ
±20% from 1 MΩ to
20 TΩ
10 TΩ
5 TΩ
2 TΩ
1 TΩ

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