Status: Various — Legacy Models in Active Service
Overview
Megger dielectric test sets and hipot testers provide high-voltage AC and DC testing for cable, switchgear, transformer, and rotating machine insulation. The 220xxx series covers AC dielectric testing from 2.5 kV to 100 kV. The 230xxx series provides DC hipot testing. The 210xxx series offers portable megohmmeter capability. These instruments are workhorses of utility and industrial electrical testing programs, with many units providing decades of reliable service.
Specifications
| Parameter | Value |
|---|---|
| AC Dielectric | 2.5 kV to 100 kV (model dependent) |
| DC Hipot | Up to 100 kV (model dependent) |
| Megohmmeter | Up to 5 kV test voltage |
| Key Features | Variable voltage output, current-limited protection, interlock systems, analog and digital metering, portable or bench configurations |
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 Dielectric Test Sets configurations.
| Model | Description | Service |
|---|---|---|
| Megger 220163 | AC dielectric test set | Request Repair |
| Megger 220164 | AC dielectric test set | Request Repair |
| Megger 220123 | AC dielectric test set | Request Repair |
| Megger 220124 | AC dielectric tester | Request Repair |
| Megger 220072 | AC dielectric test set | Request Repair |
| Megger 220070 | AC dielectric test set | Request Repair |
| Megger 220015 | Dielectric tester | Request Repair |
| Megger 220005 | Dielectric test set | Request Repair |
| Megger 230425 | DC hipot tester | Request Repair |
| Megger 230415 | DC hipot tester | Request Repair |
| Megger 230315 | DC hipot tester | Request Repair |
| Megger HPG 70-K | High-potential generator | Request Repair |
| Megger 210415 | Megohmmeter | Request Repair |
| Megger 210400 | Megohmmeter | Request Repair |
| Megger 210170 | Insulation tester | Request Repair |
| Megger VAX020 | Amplifier for insulation testing | Request Repair |
Common Megger Dielectric Test Sets Failures We Repair
- High-voltage transformer insulation breakdown from age or overuse
- Voltage regulation circuit failure causing unstable output
- Metering circuit calibration drift
- Safety interlock circuit failures
- Control circuit component aging
- HV cable connector and terminal degradation
- Cooling fan motor failure on larger test sets
Our technicians perform component-level diagnostics on every Megger Dielectric Test Sets 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 Dielectric Test Sets 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 Dielectric Test Sets?
The Megger 210/220/230 Series Dielectric Test Sets, Hipot Testers, and Megohmmeters are used by electric utilities, cable testing contractors, transformer maintenance, switchgear testing, and industrial high-voltage maintenance.
Our Repair Process
- Ship Your Instrument: Send your Megger Dielectric Test Sets 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 Dielectric Test Sets 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.
