Safety Testers

Safety Testers (often referred to as Electrical Safety Analysers or Hipot Testers) are essential instruments used to verify that electrical products meet international safety standards. They perform a battery of tests to ensure that a device will not shock the user, catch fire, or fail under electrical stress.

Why Choose a Safety Tester?

Legal Compliance and Certification: Carrying out these tests is a mandatory requirement for CE, UKCA, UL, and CSA marking. A dedicated safety tester provides the documented proof needed for your technical file to show that every unit leaving the factory is safe.
Preventing Electrical Hazards: Unlike a standard multimeter, these testers apply high voltages (up to 5kV or 10kV) and high currents (up to 60A) to stress the insulation and grounding. This reveals hidden defects, such as pinched wires or poor solder joints, that would otherwise go unnoticed.
All-in-One Testing Efficiency: Modern safety testers (like the Kikusui TOS9300 series) combine multiple functions—Hipot, Insulation Resistance, Ground Bond, and Leakage Current—into a single box. This allows for automated "one-button" test sequences, drastically reducing production time.
High Precision and Repeatability: These instruments feature regulated outputs and calibrated trip-limits. This ensures that a product is tested with the exact same parameters every time, eliminating human error and providing a clear "Pass" or "Fail" result.

Core Applications

Production Line End-of-Line (EOL) Testing: The final stage of manufacturing for almost any mains-powered device (from kettles to industrial motors). It ensures that no assembly errors occurred that could lead to a short circuit to the chassis.
Medical Device Testing (IEC 60601): Medical equipment requires much stricter leakage current limits because the patients may be vulnerable or connected to internal electrodes. Specialized safety testers are used to ensure these micro-ampere limits are strictly maintained.
Type Testing in R&D: During the design phase, engineers use safety testers to find the "breakdown point" of new insulation materials or PCB layouts, ensuring there is enough "creepage and clearance" to handle real-world transients.
EV and Solar Infrastructure (High Voltage): Testing the integrity of high-voltage battery packs, SiC inverters, and PV panels. These components operate at hundreds of volts DC, requiring safety testers that can provide 10kV AC/DC to verify the isolation barriers.


  • Kikusui TOS5200 5kV AC Hipot Tester Front1 PNG

    Kikusui TOS5200 AC Flash Tester / HiPot Tester 0-5000V 0-100mA (200mA S/C)

    £1,203.00

    1 in stock (can be backordered)

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  • TOS5301 2

    Kikusui TOS5301 AC/DC Flash Tester / Hipot Tester 0-5kV(AC) 0-6kV(DC) AC 0-100mA (200mA S/C)/ DC 0-10mA

    £2,099.00

    5 in stock (can be backordered)

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  • TOS5302 Front

    Kikusui TOS5302 AC Flash Tester / HiPot plus Insulation Resistance Tester 0-5kV(AC) 25-1000V(IR) AC 0-100mA (200mA S/C)

    £2,099.00

    2 in stock (can be backordered)

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  • TOS6200A 2

    Kikusui TOS6200A Earth Bond Tester 0-6VAC 3-30A

    £1,818.00

    2 in stock (can be backordered)

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  • TOS6210 2

    Kikusui TOS6210 Ground Bond Tester 0-6VAC 6-60A

    £2,628.00

    3 in stock (can be backordered)

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  • TOS7200 2

    Kikusui TOS7200 Electrical Safety Testers 25 to 1000V max 1milli A

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  • Telonic TOS9300 Front

    Kikusui TOS9300 AC HiPot Tester with Insulation Resistance Test

    £3,492.00

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  • Telonic TOS9301 Front

    Kikusui TOS9301 AC/DC HiPot Tester with Insulation Resistance Test

    £4,192.00

    2 in stock (can be backordered)

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  • Telonic TOS9301 Front

    Kikusui TOS9301PD AC/DC HiPot Tester with Insulation Resistance and Partial Discharge Test

    £8,645.00

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  • Telonic TOS9302 Front

    Kikusui TOS9302 AC HiPot Tester with Ground Bond Test

    £4,586.00

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  • Telonic TOS9303 Front

    Kikusui TOS9303 AC/DC HiPot Tester with Insulation Resistance and Ground Bond Test

    £5,289.00

    2 in stock (can be backordered)

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  • Telonic TOS9303LC Front

    Kikusui TOS9303LC AC/DC Hipot Tester with Insulation Resistance, Ground Bond and Leakage Current Test

    £7,254.00

    1 in stock (can be backordered)

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  • Telonic TOS9303LC Front

    Kikusui TOS9303LC AC/DC Hipot Tester with Insulation Resistance, Ground Bond and Leakage Current Test Rental

    £348.00

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  • Kikusui TOS9311 Telonic UK

    Kikusui TOS9311 10kV AC/DC HiPot Tester / Insulation Resistance Tester

    £7,092.00

    2 in stock (can be backordered)

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  • Mircotest Impulse 7750 Front1

    Microtest Impulse Winding Tester 7750-10S 200V~10000V

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    Available on back-order

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  • Mircotest Impulse 7750 Front1

    Microtest Impulse Winding Tester 7750-1S 10V~1200V

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