Our Capabilities
In-house testing power that backs every commissioning.
We don't just supply equipment — we own the instruments to test, commission, and validate it. Calibrated tools from OMICRON, MEGGER, BAUR, KYORITSU, and HIOKI.
Why This Matters
In-house testing capability.
For substation commissioning, protection-relay testing, and high-voltage validation, owning the right test instruments enables delivery of quality services on schedule. J&C Impex maintains a fully calibrated inventory of professional-grade test and measurement equipment — enabling us to deliver testing and commissioning services in-house, on schedule, and to international standards.
Test Equipment Inventory
Calibrated, professional-grade, in-house.
High-Voltage & Primary Injection
| Equipment | Brand |
|---|---|
| Primary Current & Voltage Injector | OMICRON |
| 2000A Current Booster (×2) | OMICRON |
| Relay Testing Set / Secondary Injector | OMICRON |
| 260kV AC/DC High Voltage Test Set | BAUR |
| Primary Current Injector | RHE-SHA |
| Primary Current Injector | RHE-SHA |
Breaker, Earth & Resistance Testing
| Equipment | Brand |
|---|---|
| Breaker Analyzer | MEGGER |
| Digital Micro Ohm Meter | MEGGER |
| Digital Earth Tester | MEGGER |
| Digital Insulation Tester (×3) | KYORITSU |
Metering & Diagnostics
| Equipment | Brand |
|---|---|
| Digital AVO Meter (×8) | KYORITSU |
| Digital Phase Indicator | KYORITSU |
| Low Range Clamp Meter (×5) | UNI-T |
| Digital Clamp Meter AC+DC | HIOKI |
Oil Treatment & Testing
| Equipment | Brand |
|---|---|
| Transformer Oil Centrifuging Machine (8000 L/Hr) | Jinan |
| Oil BDV Tester | NAKIN |
Commissioning Scope
What we test and commission.
Protection Relay Testing
Secondary injection, relay coordination verification.
Primary Injection Testing
CT/PT verification, current path validation.
High-Voltage Testing
Up to 260kV AC/DC — insulation and dielectric verification.
Circuit Breaker Analysis
Timing tests, contact resistance measurement.
Earth System Testing
Grounding resistance and continuity verification.
Insulation Resistance
Cables, transformers, switchgear insulation testing.
Transformer Oil Treatment
Centrifuging, BDV (breakdown voltage) testing.
Substation Commissioning
Full end-to-end validation from 11kV to 400kV.
Need testing and commissioning support?
Our calibrated instruments and experienced engineers are ready for substation, protection, and HV commissioning work.
Discuss Your Project