Precision
under load.
Power, guessed.
Now measured.
Arom Energy is the authorised reseller of HighTest Technology — UK-engineered transformer, circuit breaker and substation test instruments trusted by utilities, industrial OEMs and accredited laboratories across four continents.
Test gear with a pulse.
We don't just ship boxes. We pair every HighTest instrument with sector-specific advice, calibration scheduling, and on-call engineering so your team can commission, diagnose and certify with confidence — from a 100 V handheld TTR to a 1000 VA primary injection rig.
Authorised channel
Genuine units shipped via the HighTest UK supply chain. No grey market, no parallel imports. Full manufacturer warranty on every serial number.
Certified accuracy
Every instrument carries traceable calibration certificates aligned to international standards — ready to drop into your QA paper trail.
Engineer access
Talk to people who actually use this gear in the field. Pre-sale specification, post-sale troubleshooting, firmware updates, training — included.
Repair & recal
Annual recalibration, firmware upgrades and authorised repair routed through the HighTest UK service centre. Keep instruments in spec, year on year.
The full catalogue.
Nine families, dozens of variants — bench, portable, battery-powered, Bluetooth-enabled. Every instrument from HighTest Technology UK is available through Arom Energy. Click any family for the full datasheet.
Turns Ratio Testers
Single-phase & three-phase TTRs. 100 V to 250 V output, built-in printer, optional Bluetooth and battery operation.
Winding Resistance
20 A automatic winding resistance testers. Demagnetisation, simultaneous HV/LV, integrated thermometer and printer.
Circuit Breaker Analyser
3 & 6-contact timing analysers with travel transducer support, motion analysis, coil-current logging, built-in printer.
Contact Resistance
200 A and higher DC micro-ohm meters for switchgear, busbars, joints and breaker contacts. Bluetooth-enabled variants available.
Vacuum Bottle Tester
VABO-80 series tests vacuum interrupter integrity up to 80 kV. Battery-powered variant for field use, built-in printer included.
Substation Test Sets
SUWI-120 multifunction substation test set and TRAN-203 three-phase transformer analyser. Combined TTR + winding + dynamic resistance.
Primary Injection
PICU-1000 1000 VA primary injection tester for protection-system commissioning, CT testing, and end-to-end verification.
Calibrators
TRCAL-10K turns-ratio meter calibrator and CBSM circuit breaker simulator. Lab-grade reference instruments for QA labs.
Cables & Accessories
Original test leads, transport cases, current clamps, contact heads, replacement printer rolls, transducer kits and adapters.
PORTABLE CASE
ROUGH-DUTY
The Substation Wizard.
One case. Six tests. The SUWI-120 from HighTest replaces a wall of single-purpose instruments — TTR, winding resistance, contact resistance, vacuum bottle, dynamic timing and short-circuit impedance — in a single ruggedised, mains-or-battery substation companion.
- Test families
- TTR · Winding R · Contact R · Vacuum · Timing
- Output
- Up to 250 V AC · 20 A DC
- Display
- Colour TFT · printer · Bluetooth optional
- Power
- Mains or internal Li-ion battery
- Use case
- Substation commissioning & field diagnostics
From enquiry to energised.
We're a small, technical team. Every order goes through the same disciplined four-step process — no hand-offs, no black holes, no surprise lead-times.
Specify
Tell us the asset, the standard, the environment. We map your test sequence to the right HighTest model and accessory list.
Quote
Itemised quote within 24 business hours. Calibration cert, warranty terms, and lead-time on the same page.
Deliver
Direct shipment from the HighTest UK distribution centre. Tracked, insured, with traceable serials and certificates.
Sustain
Annual recal scheduling, firmware updates, on-call engineer support — bundled into a single service contract if you need it.
Built for the grid edge.
Wherever transformers are commissioned, breakers are timed, and contacts are micro-ohm tested — Arom Energy delivers the gear and the people behind it.
Transmission & distribution
Utility commissioning teams running new substations, refurbishment programmes, and routine maintenance windows on power transformers up to grid scale.
Industrial plants
Refineries, steelworks, data centres, mining sites — anywhere a private MV substation, large motors or critical breakers need annual proof-testing.
Renewables & storage
Wind, solar, BESS sites, and substation-scale grid connections. Test sets for collector transformers, breakers, and protection commissioning.
Labs & OEMs
Calibration laboratories, transformer manufacturers, and switchgear OEMs needing reference-grade calibrators (TRCAL-10K, CBSM) for QA flow.
Send your test plan.
Get a quote that fits.
Tell us the asset, the standard, and the timeline. An engineer (not a sales bot) will reply with the right HighTest configuration, calibration plan and delivery window.