• The 50ADM-P Secondary Current Injection Test Set is a mobile unit  (Main unit: 13.2kg; Full kit with backpack & leads: 16.6 kg) that travels well, delivering  unmatched precision and reliability for testing protective relays, circuit breakers, and other critical components.

• The unit has a range of outputs allowing injection of currents between 1mA and 50A. Voltages up to 18V are available on the main outputs.

• The unit also comes with a flexible auxiliary AC output that can be used at up to 260V for voltage relays or up to 10A for current relays.

• The output is metered by a digital true RMS system with a memory ammeter - whenever the timer stops and the output is switched off, the current reading is held on the display.

• A current trip is automatically set to 105% of full scale of the current metering range to protect the device under test.

• Shown here is the HVD35/2A Dead Break Tester, which operates on battery power and utilizes an electronic contact device. It offers clear indication of the line’s status through super-bright LED lights and a high-intensity buzzer. This ensures easy detection, even in challenging conditions like bright sunlight and high background noise. With an activation very low threshold voltage set at 100V, in accordance with IEC standards, the instrument provides precise measurements. Instrument covers a voltage range between 2kV and 11kV, making it suitable for various application

• ​Also available: HVD47/2B Dead Break Tester, where instrument covers a voltage range up to 33kV, making it suitable for various applications.

• Product made previously Edgcumbe / Metrohm

​Earth Sticks (Shown Image)

• For earthing high voltage connections after AC testing in accordance with BS-EN50191

• Available in 30kV, 50kV and 100kV with 5m earth lead

• Consists of hooked earth connection mounted on insulated handle

• Unscrews into two sections for easy storage and transport

HV DC Discharge Probes

• Maxium discharge voltage avialabel in 5kV, 20kV and 40kV

• Designed to safely discharge high voltage cables after testing

• Features an insulated handle and clear silicone insulation on the earth lead, enabling easy conductor inspection.

• Aka primary current injection test sets, they are used to test high-current electrical systems, injecting high currents into equipment like power transformers and circuit breakers to identify faults and ensure proper functioning.

• T&R's offering of primary current injection test sets range from 750A to 6000A , and are available in single phase. 

• Unit shown here is the T&R PCU1-SP MK3 Primary Current Injection Test System; a versatile primary current injection test system, ideal for stability and circuit breaker testing, with direct-reading CT ratio and polarity tests.

• Determines whether HV systems are live or dead

• Automatic alarming above threshold voltage as default

• Easy to use and Lightweight (0.6kg)

• Fast response time , less than 1 second

• Indoor/Outdoor use / -25°C to +55°C operating temp rang / Shock & drop resistant

• Product made previously Edgcumbe / Metrohm

• High voltage AC test systems assess insulation and electrical performance of high voltage equipment to ensure safety and reliability. They generate high voltage AC signals for testing transformers, cables, circuit breakers, and surge arresters.

• T&R's range of AC test systems cover from 5kVac to 100kVac, and all units have a variable trip range setting and key lock operation to prevent unauthorized use. 

• The unit shown here is the T&R KV30-40D MK, a versatile high-voltage instrument designed for testing insulation systems and measuring breakdown voltage up to 30 kV. Many end-users utilize it in substations.

• High voltage DC test systems assess insulation and performance of high voltage equipment under direct current (DC) conditions. They generate high voltage DC signals to test cables, capacitors, generators, and motors. These tests detect insulation weaknesses and defects, ensuring safe and reliable operation in high voltage DC environments. 

• T&R units range from ±18kVdc to ±30kVdc units, and are equipped with  automatic earthing for discharging capacitive loads. 

• Shown here is the T&R: PT15-10S Mk2 DC Test Set, with variable output up to 15kV DC, automatic load discharge, and reliable measurements for accurate testing

• Verify voltage presence in high voltage systems

• Can identify voltages as low as 200V

• Can identify voltages as high as 15kV AC/DC

• Suitable for checking busbars and switchgear enclosures

• Supplied with a proving unit with automatic battery check

• Product made previously Edgcumbe / Metrohm

• High Voltage DC Live Line Indicators (LLI) are battery operated electronic units that have been specifically designed to test DC systems, with particular relevance to Mass Transit Railway (Metro) & Tram based models.

• Three versions of Live Line Indicators are available to cover the most common system voltages of 750V, 1500V, and 3000V DC.

• ​High Voltage DC Live Line Indicators give both visual (high intensity flashing red LED’s) and audible (70 dB) alarm should a conductor under test indicate as live.

• Product made previously Edgcumbe / Metrohm

• Specifically designed to perform measurements for both live voltage testing and phasing on overhead lines, in substations and within switchgear compartments

• Individual kits are available for system voltages of 3.3kV, 6.6kV, 11kv, 13.8kV and 33kV (50/60Hz).

• Designed to comply with the requirements of IEC1243 part 2

• Positive phasing test

• Suitable for both wet and dry conditions

• Product made previously Edgcumbe / Metrohm

• Aka secondary current injection test sets, they are used to test and verify the performance of protective relay systems by generating adjustable currents to simulate fault conditions.

• Units from T&R Test Equipment covers applications up to 200A and include both single phase and three phase options.

• The unit shown is the T&R 200ADM-P Secondary Current Injection Test Set, which allows injection of currents between 1mA and 200A. Voltages up to 240V are available on the main outputs allowing high impedance current relays to be tested.

• Weighing at just 600g, the TPT9000 Transformer Polarity Tester is a smart and lightweight plug-and-play instrument that accurately determines the polarity of current and voltage transformers.

• By incorporating automatic detection capabilities, the TPT9000 readily identifies incorrect transformer connections. Furthermore, it includes a proving unit to verify on-site functionality. The comprehensive package also features a set of 600V CAT IV fused test leads with shrouded 4mm connectors and four F500mA HRC fuses.

• Designed explicitly for “dead” systems, where external voltages are absent, the TPT9000 avoids connection to live systems for optimal safety. Prior to usage, always ensure the device under test is powered off.

• Shown here is the WPC1000 Wireless Phase Comparator Kit, which utilizes a Transmitter module and a Receiver module to determine the Phase Relationship between two energized conductors at the same nominal voltage and frequency, eliminating the need for connecting cables. The kit is designed to comply with IEC 61481 standards for system voltages up to 36kV.

• WPC Transmitter (TX) and Receiver (RX) are battery operated electronic contact devices that give clear visible indication of the status of the line under test. By means of super bright LED’s and a high intensity buzzer, they are able to determine the phase relationship between two points at the same nominal voltage and frequency.

• Also available: WPC2000, where the kit is designed to comply with IEC 61481 standards for system voltages up to 132kV.