Status: MIT515/525/1025/1525 and S1 Current Production — BM/MJ Legacy
Overview
Megger is the original name in insulation resistance testing — the word “Megger” is synonymous with insulation testing worldwide. Megger insulation testers range from compact handheld models for field electricians to high-voltage diagnostic instruments for utility and industrial applications. The MIT500 Series (MIT510, MIT515, MIT520, MIT525) provides test voltages up to 5 kV with PI, DAR, and step voltage diagnostics. The MIT1000/1500 Series extends to 10 kV and 15 kV for high-voltage cable and rotating machine testing. The S1 Series delivers test voltages up to 15 kV with advanced diagnostic capabilities including dielectric discharge and automated test sequences. The legacy BM and MJ Series remain in active service across industrial facilities worldwide.
Specifications
| Parameter | Value |
|---|---|
| Test Voltage | 250 V to 15 kV (model dependent) |
| Insulation Range | Up to 15 TΩ (MIT525), up to 30 TΩ (S1-1568) |
| Diagnostic Tests | PI (Polarization Index), DAR (Dielectric Absorption Ratio), DD (Dielectric Discharge), Step Voltage, Timed Test |
| Safety Rating | CAT IV 600 V (MIT500 Series) |
| Key Features | Programmable test voltages, result storage, USB/Bluetooth download, guard terminal, timer, PI/DAR automatic calculation |
Models We Repair
Select your model below to request a repair. If your exact model isn’t listed, choose the closest match — the evaluation and repair process is the same across all Megger Insulation Testers configurations.
| Model | Description | Service |
|---|---|---|
| Megger MIT1525 | 15 kV insulation tester, PI/DAR/DD diagnostics | Request Repair |
| Megger MIT1025 | 10 kV insulation tester, PI/DAR diagnostics | Request Repair |
| Megger MIT1020/2 | 10 kV insulation tester | Request Repair |
| Megger MIT1020 | 10 kV insulation tester | Request Repair |
| Megger MIT525 | 5 kV insulation tester, PI/DAR/DD | Request Repair |
| Megger MIT520/2 | 5 kV insulation tester | Request Repair |
| Megger MIT520 | 5 kV insulation tester | Request Repair |
| Megger MIT515 | 5 kV insulation tester | Request Repair |
| Megger MIT510 | 5 kV insulation tester | Request Repair |
| Megger MIT30 | Compact insulation tester | Request Repair |
| Megger S1-1568 | 15 kV, 30 TΩ diagnostic insulation tester | Request Repair |
| Megger S1-1054/2 | 10 kV diagnostic insulation tester | Request Repair |
| Megger S1-1052/2 | 10 kV insulation tester | Request Repair |
| Megger S1-1068 | 10 kV insulation tester | Request Repair |
| Megger S1-568 | 5 kV diagnostic insulation tester | Request Repair |
| Megger S1-554/2 | 5 kV insulation tester | Request Repair |
| Megger S1-552/2 | 5 kV insulation tester | Request Repair |
| Megger BM5200 | 5 kV insulation tester (legacy) | Request Repair |
| Megger BM25 | 5 kV insulation tester (legacy) | Request Repair |
| Megger BM21 | 1 kV insulation tester (legacy) | Request Repair |
| Megger BM15 | 1 kV insulation tester (legacy) | Request Repair |
| Megger BM11D | 1 kV insulation tester (legacy) | Request Repair |
| Megger MJ459 | Hand-crank insulation tester (legacy) | Request Repair |
| Megger MJ359 | Hand-crank insulation tester (legacy) | Request Repair |
| Megger MJ159 | Hand-crank insulation tester (legacy) | Request Repair |
| Megger MJ15 | Hand-crank insulation tester (legacy) | Request Repair |
Common Megger Insulation Testers Failures We Repair
- High-voltage generator circuit failure from sustained or overloaded testing
- Measurement circuit degradation causing erratic or unstable readings
- Guard terminal circuit damage from incorrect lead connections
- LCD display failure or backlight degradation
- Rotary switch contact wear from frequent voltage range selection
- Battery charging circuit failure
- USB/Bluetooth communication module failure
- Test lead jack wear from repeated field connections
Our technicians perform component-level diagnostics on every Megger Insulation Testers unit. We don’t just replace boards — we identify and repair the specific failed components, saving you the cost of full module replacements when possible.
Calibration
Every Megger Insulation Testers repair includes NIST-traceable calibration. We verify all critical measurement and output functions against our reference standards and provide a detailed calibration certificate documenting measured performance against the manufacturer’s published specifications.
Who Uses Megger Insulation Testers?
The Megger MIT500/1000/1500 Series, S1 Series, BM Series, and MJ Series Insulation Resistance Testers are used by utility high-voltage maintenance, industrial electricians, motor and generator maintenance, cable testing contractors, and electrical testing laboratories.
Our Repair Process
- Ship Your Instrument: Send your Megger Insulation Testers to our facility from anywhere in the US. We provide prepaid shipping labels on request.
- Free Evaluation: Our technicians perform a complete diagnostic assessment and provide a firm, no-obligation repair quote.
- Expert Repair: Upon approval, we perform component-level repair using OEM-grade parts.
- NIST-Traceable Calibration: Full calibration with documented results across all critical parameters.
- Return Shipment: Your instrument is securely packaged and returned with calibration certificate, repair documentation, and our 90-day warranty.
Request a Repair
Contact us for professional Megger Insulation Testers repair and calibration. Our team is ready to evaluate your instrument and provide a no-obligation quote.
Email: info@junecompany.com | All repairs include a 90-day parts and labor warranty.
