HV Test Equipment

Electrical Testing – HV Test Equipment

Explore our range of high voltage (HV) test equipment designed for safe and reliable testing of electrical systems. These tools are used to detect voltage presence, verify system status and support safe working practices in high voltage environments.

Our selection includes HV indicators, phasing sticks, voltage detectors and specialist testing equipment, along with accessories for a range of high voltage applications. Suitable for use across different systems, these tools help confirm circuit status and support safe operation during testing and maintenance.

Designed for accuracy and dependable performance, these tools provide clear and consistent results when working with high voltage systems, helping support safe and effective testing procedures

  • Metrel MI 3394 CE High Voltage Electrical Safety Multitester Metrel MI 3394 CE High Voltage Electrical Safety Multitester
    • Metrel MI 3394 CE High Voltage Electrical Safety Multitester Metrel MI 3394 CE High Voltage Electrical Safety Multitester

    • Metrel MI 3394 CE High Voltage Electrical Safety Multitester

    • Price range: £4,379.76 through £6,240.30
    • ⚡ Hi-pot high voltage test (5kV AC, 6kV DC) ⚡ Four-wire continuity testing with selectable current options (0.2A, 4A, 10A, 25A) ⚡ Comprehensive leakage current measurement (substitute, differential, touch, PE) ⚡ Multiple connectivity options including RS-232, Bluetooth, and USB ⚡ Portable design with integrated handles and 3.5” color touchscreen display
    • Select options This product has multiple variants. The options may be chosen on the product page
  • Metrel MI3295 Step Contact Voltage Tester
    • Metrel MI3295 Step Contact Voltage Tester

    • Metrel MI3295 Step Contact Voltage Tester

    • £5,312.34 / £6,374.81 incl VAT
    • ⚡ Measures step voltage, contact voltage, and earth resistance for protective earthing ⚡ Compact all-in-one system with a current generator up to 55A ⚡ Advanced technology to eliminate earth noise currents ⚡ Provides highly accurate measurements with a resolution of 10 millivolts ⚡ Operates at a safe SELV voltage of 55V and supports data saving, analysis, and reporting via HVLink…
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  • Seaward AGL-5 Airfield Ground Lighting Voltage Detector
    • Seaward AGL-5 Airfield Ground Lighting Voltage Detector

    • Seaward AGL-5 Airfield Ground Lighting Voltage Detector

    • £960.70 / £1,152.84 incl VAT
    • ⚡ Compatible with all AGL systems up to 5kV for versatile use ⚡ Ultra-bright high visibility indicators for clear detection in any lighting conditions ⚡ Lightweight, compact, and portable for easy handling and transport ⚡ Fully compliant with international standards (IEC 61243-2, IEC 61243-3, BS EN 61010-1) ⚡ Supplied with a proving unit and protective carry case for convenience and…
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  • Seaward H-5017 HAL Status Beacon
    • Seaward H-5017 HAL Status Beacon

    • Seaward H-5017 HAL Status Beacon

    • £250.00 / £300.00 incl VAT
    • ⚡ Clear green/red visual indication for tester operational states ⚡ Dual voltage compatibility for versatile international use ⚡ Safe and efficient 24V, 5W indicator bulbs ⚡ Quick-connect 3.5mm jack for easy setup ⚡ Fully compliant with EN 61010 & EN 61326 standards
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  • Seaward KD1E HV Indicator 1-11KV
    • Seaward KD1E HV Indicator 1-11KV

    • Seaward KD1E HV Indicator 1-11KV

    • £702.00 / £842.40 incl VAT
    • ⚡ Dual neon indicators within shock-resistant sleeves ⚡ Permanently connected earth cable for enhanced safety ⚡ Hand guard for added protection during operation ⚡ High-grade PVC tubing for durability and strength ⚡ UK Electricity Council Approval list G9 for compliance with industry standards
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  • Seaward KD1E/22 HV Indicator to 22kV Seaward KD1E/22 HV Indicator to 22kV
    • Seaward KD1E/22 HV Indicator to 22kV Seaward KD1E/22 HV Indicator to 22kV

    • Seaward KD1E/22 HV Indicator to 22kV

    • £789.00 / £946.80 incl VAT
    • ⚡ Duplicate neon indicators enclosed within shock-resistant sleeves for enhanced durability and visibility ⚡ Permanently connected earth cable for secure grounding ⚡ Protective hand guard to reduce the risk of electric shock ⚡ Direct access to various types of vertical or horizontal metal-clad switchgear ⚡ Conforms to UK Electricity Council Approval list G9 for trusted safety compliance
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  • Seaward KD1E/33 Potential Indicator Seaward KD1E/33 Potential Indicator
    • Seaward KD1E/33 Potential Indicator Seaward KD1E/33 Potential Indicator

    • Seaward KD1E/33 Potential Indicator

    • £875.00 / £1,050.00 incl VAT
    • ⚡ Functions as both a potential indicator to detect voltage presence and a voltmeter for accurate voltage measurements ⚡ Robust housing with a digital display for clear and easy reading of voltage ⚡ No switches for simple and reliable operation ⚡ Powered by an integral rechargeable battery with a low battery indicator ⚡ Supplied with a battery charger, PH3 proving…
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  • Seaward KD1E/33 Potential Indicator 
    • Seaward KD1E/33 Potential Indicator 

    • Seaward KD1E/33 Potential Indicator 

    • £861.00 / £1,033.20 incl VAT
    • ⚡ Duplicate neon indicators enclosed within shock-resistant sleeves for enhanced durability and visibility ⚡ Permanently connected earth cable for secure grounding ⚡ Protective hand guard to reduce the risk of electric shock ⚡ Direct access to virtually all types of vertical or horizontal metal-clad switchgear ⚡ Audio alarm that sounds when voltage is detected for added safety
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  • Seaward KD1E/33D HV Potential Indicator Seaward KD1E/33D HV Potential Indicator
    • Seaward KD1E/33D HV Potential Indicator Seaward KD1E/33D HV Potential Indicator

    • Seaward KD1E/33D HV Potential Indicator

    • £1,732.00 / £2,078.40 incl VAT
    • ⚡ Functions as both a potential indicator for voltage presence and a voltmeter for precise voltage measurements ⚡ Robust housing with a clear digital display for easy reading of voltage ⚡ No switches for simple, reliable operation ⚡ Powered by an integral rechargeable battery, with a low battery indicator to monitor power levels ⚡ Supplied with a battery charger, PH3…
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  • Seaward LLT Dual Live Line Tester with Red Indicator Mk2 (423A910) Seaward LLT Dual Live Line Tester with Red Indicator Mk2 (423A910)
  • Seaward PR11 Phasing Sticks
    • Seaward PR11 Phasing Sticks

    • Seaward PR11 Phasing Sticks

    • £938.00 / £1,125.60 incl VAT
    • ⚡ Suitable for use on systems ranging from 3.3kV up to 11.5kV ⚡ PVC hand guards on the handles of each element for added protection ⚡ Neon indicator enclosed in a shock-resistant sleeve for durability and safety ⚡ Direct access to all types of switchgear for versatile use ⚡ Complies with UK Electricity Council Engineering Recommendation G9 for trusted safety…
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  • Seaward PR11-50/PH3 HV Phasing Sticks w/ Proving Unit Seaward PR11-50/PH3 HV Phasing Sticks w/ Proving Unit
    • Seaward PR11-50/PH3 HV Phasing Sticks w/ Proving Unit Seaward PR11-50/PH3 HV Phasing Sticks w/ Proving Unit

    • Seaward PR11-50/PH3 HV Phasing Sticks w/ Proving Unit

    • £1,051.00 / £1,261.20 incl VAT
    • ⚡ Designed for use on systems from 3.3kV to 11.5kV for versatile phase comparison ⚡ PVC hand guards on the handles for enhanced user safety ⚡ Neon indicator enclosed in a shock-resistant sleeve for durability and visibility ⚡ 3mm tips for accessing narrow points on switchgear ⚡ Supplied with Seaward PH3 HV Proving Unit (112A913) for verifying voltage indicators before…
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  • Seaward PR15D/PH3 Digital Phasing Unit & Proving Unit Seaward PR15D/PH3 Digital Phasing Unit & Proving Unit
    • Seaward PR15D/PH3 Digital Phasing Unit & Proving Unit Seaward PR15D/PH3 Digital Phasing Unit & Proving Unit

    • Seaward PR15D/PH3 Digital Phasing Unit & Proving Unit

    • £2,775.00 / £3,330.00 incl VAT
    • ⚡ Phase angle comparison and voltage indication for paralleling circuits on neutral earthed systems up to 15kV. ⚡ Quick reference chart to easily check phase angle differences when circuits are paralleled. ⚡ Dual elements with resistor chains, including a digital indicator and a phasing rod for versatile use. ⚡ Digital indicator can be used independently as a voltmeter for measuring…
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  • Seaward PR33D/PH3 Digital HV Phasing Stick for Systems up to 33kV Seaward PR33D/PH3 Digital HV Phasing Stick for Systems up to 33kV
    • Seaward PR33D/PH3 Digital HV Phasing Stick for Systems up to 33kV Seaward PR33D/PH3 Digital HV Phasing Stick for Systems up to 33kV

    • Seaward PR33D/PH3 Digital HV Phasing Stick for Systems up to 33kV

    • £2,988.70 / £3,586.44 incl VAT
    • ⚡ Digital Phasing Unit between 3-33kVkV ⚡ Supplied with PH3 Proving Unit ⚡ Quick reference chart for checking phase angle difference of circuits paralled ⚡ Kit comprises two elements with resistor chains, one with digital indicator and the second a phasing rod ⚡ Bent adaptors available for use with switch gear ⚡ Indicator can be used independently as a voltmeter
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