A fully isolated USB interface is used for the safe transfer of data to the supplied Megger PowerDB Lite management software package.
5kV insulation tester offering resistance measurement up to 10T ohms complete with step contact, ramp testing and an onboard memory. Supplied with 3x3m test leads as standard.
Offering CAT IV, the MIT525 is compact, light 5 kV insulation resistance tester for the diagnostic testing and maintenance of high voltage electrical equipment. It is both smaller and lighter than its predecessor, making it even easier to carry and store.
As well as measuring insulation resistance to 10 TΩ, the MIT525 also offers various diagnostic tests such as polarisation index, dielectric absorption ratio, step voltage, dielectric discharge and ramp testing.
Now equipped with lithium ion fast rechargeable batteries, the instrument has a large, clear, easy-to-read display, making it equally suitable for use in both bright sunlight and poorly lit environments. Information displayed includes resistance, voltage, leakage current, capacitance, battery status and time constant. In addition, the elapsed time of the test is displayed constantly removing the need for separate timer.
Specifications |
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Voltage a.c. (auto-rangin) |
90-264 V rms, 47- 63 Hz 100 VA
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Battery charge time |
2.5 hours deep discharge,
2 hours normal discharge |
Battery |
11.1 V, 5.2Ah Li-ion batteries,
meet IEC 62133:2003 |
Battery life |
6 hours (typical) continuous testing at 5 kV with a 100 MΩ load
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Test voltage |
250 V, 500 V, 1000 V, 2500 V, 5000 V, User defined test voltage.
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Used fedinded test voltage |
50 V to 1 kV in 10 V steps,
1 kV to 5 kV in 25 V steps |
Test voltage accuracy |
+4%, -0%, ±10 V nominal test voltage at 1 GΩ load (0°C to 30°C)
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Resistance range |
10 kΩ to 15 TΩ @ 5 kV
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Accuarcy |
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Accuracy | 5000 V | 2500 V | 1000 V | 500 V | 250 V |
±5% from 1 MΩ to | 1 TΩ | 500 GΩ | 200 GΩ | 100 GΩ | 50 GΩ |
±20% from 1 MΩ to | 10 TΩ | 5 TΩ | 2 TΩ | 1 TΩ | 500 GΩ |
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