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The Megger Insulation Resistance Tester MIT1525 is a high-end insulation resistance testing instrument designed for original equipment manufacturers and industrial enterprises.
Performs insulation resistance tests with a maximum test voltage of 15 kV and measures insulation resistance up to 30 TΩ, with an accuracy of ±5% from 1 MΩ to 3 TΩ.
Offers a full range of test modes, including polarization index (PI), dielectric absorption ratio (DAR), step voltage (SV), dielectric discharge (DD), and ramp testing.
Features high noise immunity, with a maximum noise rejection of 6 mA, making it suitable for high-noise interference environments.
On-board memory logs up to 5.5 hours of data at 5-second intervals. Advanced memory functions enable screen recall, time/date stamping, and safe USB download to PC.
Features an easy-to-use rotary switch interface and a large backlit display showing resistance, voltage, leakage current, capacitance, battery status, and time constant.
Consists of a tough outer case and a fire-retardant inner case. IP65 rated when closed to ensure high level of protection against moisture and dust.
| Specification | Details |
|---|---|
| Maximum Test Voltage | 15 kV |
| Maximum Resistance | 30 TΩ |
| Insulation Resistance Accuracy | ±5% up to 3 TΩ, ±20% from 3 TΩ to 35 TΩ |
| Test Modes | IR, Timed IR, DAR, PI, DD, SV, Ramp test |
| Short-Circuit Current | 3 mA |
| Noise Immunity | 6 mA (15 kV) |
| Capacitance Range | Not specified |
| Voltmeter Range | 30 V - 660 V ac/dc |
| Voltmeter Accuracy | ±2% ±1 V |
| Safety Rating | CAT IV 1000 V, up to 3000 m |
| Power Supply - Battery | Two 11.1 V, 5.2 Ah lithium-ion batteries, up to 4.5 hours of continuous testing at 15 kV with a 100 MΩ load, rapid-charge in 2.5 hours |
| Power Supply - AC Input | 90 - 264 Vrms, 47 - 63 Hz, 200 VA |
| Dimensions | 360 mm × 305 mm × 194 mm |
| Weight | 6.5 kg |
| IP Rating | IP65 when the lid is closed, IP40 when the lid is open |
| Memory | On-board memory can log up to 5.5 hours of data at 5-second intervals |
| Interface | USB interface |
Delivery information typically includes delivery times, shipping methods, packaging, etc., which may vary depending on the seller and the location of purchase.
The Megger MIT1525 can perform insulation resistance tests with a maximum test voltage of 15 kV and can measure insulation resistance up to 30 TΩ.
It supports a comprehensive range of test modes, including polarization index (PI), dielectric absorption ratio (DAR), step voltage (SV), dielectric discharge (DD), and ramp testing.
The on-board memory logs up to 5.5 hours of test data at 5-second intervals. It records results with time/date stamps, allows on-screen recall, and supports transferring data to a PC via a USB interface.
Yes, it has a dual-case design consisting of a rugged outer case and a fire-retardant inner case. It is rated to IP65 (moisture and dust resistant) when the lid is closed.
It is powered by two 11.1 V, 5.2 Ah lithium-ion batteries providing up to 4.5 hours of continuous testing at 15 kV with a 100 MΩ load. It supports rapid-charging in 2.5 hours and can run on AC power sources (90-264 Vrms).
