High voltage electrical test equipment and high current test sets. Our HV test system product range includes relay test equipment, primary current injection systems, micro-ohmmeters, DC cable test sets  AC test sets, 3 phase relay test sets. We are a UK supplier of quality HV test instruments from manufacturers like T&R Test Equipment, SMC Euro, Foster, Megger and Seaward Electronics. If you require AC and DC HV test systems e.g. SCITS, PCITS, HV detectors, oil test sets and phasing sticks then we can be your quality supplier. High voltage test and measuring equipment, meters, indicators and testing systems, 3.3kV, 11kV, 22kV 33kV, 66kV, 132kV, 400kV

5kV Insulation Testers

A range of HV Insulation Testers with test voltages up to 5000 Volts

10kV Insulation Testers

A range of HV Insulation Testers with test voltages up to 10000 Volts

AC Test Systems

High voltage AC test systems including the T&R KV5-100, KV30-40 mk2, KV50-100 mk2 and KV50-200 mk2 capable of testing from 5kV all the way up to 50kV for testing insulation systems and meaasuring breakdown voltage on electrical plant and components.

DC Cable Test Sets

T&R DC Cable Test Systems are designed to perform tests on installed cables and jointing systems. DC Test Sets include the T&R PT18-10 mk2 with an output of ±18kVdc 10mA or the T&R PT15-10S with an output upto 15kVdc 10mA, or the best selling PT30-10 Mk2 ±30kVdc 10mA

HV Potential Indicators

A range of HV detectors for 3.3kV, 11kV, 22kV and 33kV electrical systems. Potential indicators from Seaward and Metrohm along with Live Line Testers and proving units.

PCITS / SCITS

Primary and Secondary Current Injection test equipment. T&R and Megger produce a range of units up to 200A and several test systems are available which cover from 750A through to 6000A

Relay Testing

Single and three phase relay test sets. The multiple protection functions of modern relays requires sophisticated test equipment to analyze the operation of the unit in a “real life” situation. We can supply you with T&R or Programma Relay Test sets.

Transformer Oil Test Sets

Portable or Laboratory Megger Transformer Oil Test sets for testing oil breakdown strength, withstand or proof testing. 60kV, 80kV and 100kV versions. The DTR8500 Transformer Ratiometer for on-site testing of power, voltage and current transformers.

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Best Sellers

Seaward SD300 - Discharge Electrical Energy £2008.00 £1645.00 Metrohm E3640 4kV Flash Tester £1210.00 £1020.00

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Megger DLRO600 Low Resistance Ohmmeter £4255.00 £3914.00 Measures resistances between 0.1 µΩ and 1 Ω, at high currents up to 600 Amps. Test circuit breaker contacts, switch contacts and busbar joints.	Megger OTS60AF Laboratory Oil Test Set £5885.00 £5595.00 The new Megger OTS60AF Laboratory Oil Tester is the latest in oil test set design. It can perform accurate breakdown voltage tests up to 60kV.	Megger OTS60PB Portable Oil Test Set £4589.00 £4379.00 Portable Megger oil test set powered by internal rechargeable battery. Fully automatic. Test voltage 60kV maximum. Resolution 1kV
Megger OTS80AF Laboratory Oil Test Set £6815.00 £6416.00 The new Megger OTS80AF Laboratory Oil Tester is the latest in oil test set design. It can perform accurate breakdown voltage tests up to 80kV.	Megger VCM100 Calibration Meter £795.00 £765.00 The Megger VCM100 is a calibration meter suitable for verifying the calibration of Megger and Foster oil test sets up to 100kV	Metrohm E3640 4kV Flash Tester £1210.00 £1020.00 The Metrohm E3640 4kV digital flash tester is a portable mains operated instrument capable of operating from either 115V or 230V at 50/60Hz.
Metrohm LLT11 11kV AC Live Line Test Kit £2995.00 £2575.00 Dual purpose HV detection and phase comparison in one Live Line Tester Kit. Suitable for 3.3kV to 11kV AC electrical systems	Metrohm LLT13.8 - 13.8kV AC Live Line Test Kit £2995.00 £2645.00 Dual purpose HV detection and phase comparison in one Live Line Tester Kit. Suitable for up to 13.8kV AC electrical systems	Metrohm LLT33 33kV AC Live Line Test Kit £3245.00 £2845.00 Dual purpose HV detection and phase comparison in one Live Line Tester Kit. Suitable for up to 33kV AC electrical systems
Seaward AGL-5 Airfield Ground Lighting Voltage Detector £995.00 £795.00 The Seaward AGL-5 Airfield Ground Lighting Voltage Detector detects voltages from 50V - 5000V and comes supplied with a Proving unit & carry case.	Seaward KD1E HV Indicator 1-11KV 113A916 £528.00 £425.00 This 11kV potential indicator provides a means of confirming the presence of voltage on earthed neutral electrical circuits from 1KV to 11kV	Seaward KD1E/15D Digital HV Potential Indicator £1241.00 £995.00 Digital display of High Voltage between 1-15kV. Supplied in bespoke carry case with PH3 Proving Unit.
Seaward KD1E/19 HV Test Equipment 1.5 to 19kV 113A914 £559.00 £449.00 This 19kV potential indicator provides a means of confirming the presence of voltage on earthed neutral electrical circuits up to 19KV	Seaward KD1E/22 HV Indicator to 22kV 113A912 £595.00 £479.00 This 22kV potential indicator provides a means of confirming the presence of voltage on earthed neutral electrical circuits from 3kV to 22kV	Seaward KD1E/33 HV Indicator to 33kV 113A911 £622.00 £465.00 This 33kV potential indicator provides a means of confirming the presence of voltage on earthed neutral electrical circuits from 3kV to 33kV
Seaward KD1E/33D HV Digital Indicator - 109A911 £1307.00 £1055.00 Digital display of High Voltage between 3-33kV. Supplied in bespoke carry case with PH3 Proving Unit.	Seaward KD1E/KAD HV Indicator 1-11KV 113A915 £648.00 £524.00 This unit from Seaward is a highly robust, portable AC/DC voltage indicator for up to 11KV	Seaward PH3 Flatnose Proving Unit - 112A921 £121.00 £89.00 Flatnose proving unit produces a 1500V DC output voltage for confirming the operation of Seaward HV indicators before and after use.
Seaward PH3 High Voltage Proving Unit - 112A913 £121.00 £89.00 This proving unit produces a DC output voltage for confirming the operation of Seaward High Voltage indicators before and after use.	Seaward PR15D/PH3 Digital Phasing Unit - 109A912 £2093.00 £1675.00 Digital Phasing Unit up to 15kV, supplied with PH3 Proving Unit	Seaward PR33D/PH3 Digital Phasing Unit - 109A913 £2375.00 £1995.00 Digital Phasing Unit between 3-33kVkV, supplied with PH3 Proving Unit
Seaward SD300 - Discharge Electrical Energy £2008.00 £1645.00 Safely discharge stored electrical energy from capacitors before carrying out maintenance or testing. Weith The Seaward SD300