High Voltage Insulation Testers & Megohmmeters

  1. Fluke 1550C Insulation Resistance Tester (5kV)
    Fluke logo
    Free UK Delivery
    Fluke 1550C Insulation Resistance Tester (5kV)
    (no reviews)
    £4,053.60 £3,378.00
    • Test voltage up to 5000V
    • Voltage breakdown detection alerts 
    • Selectable test voltages in 50 V steps from 250 to 1000 V, and 100 V steps above 1000 V
    3378 Reward Points
    Price Match Guarantee
    FLUKE1550C
  2. Fluke 1550C 5kV Insulation Resistance Tester with IR3000FC Connector
    Fluke logo
    Only 1 In Stock
    Free UK Delivery
    Fluke 1550C 5kV Insulation Resistance Tester with IR3000FC Connector
    (no reviews)
    £4,053.60 £3,378.00
    • Measure resistance up to 1TΩ
    • Maximum selectable test voltage: 5kV
    • Use the IR3000FC Connector to communicate with the Fluke Connect App
    3378 Reward Points
    Price Match Guarantee
    1550C+IR3000FC
  3. Fluke 1555 Insulation Resistance Tester (10kV)
    Fluke logo
    Only 1 In Stock
    Free UK Delivery
    Fluke 1555 Insulation Resistance Tester (10kV)
    (no reviews)
    £4,558.80 £3,799.00
    • Test resistance up to 10KV and 2TOhms
    • Selectable test voltages
    • Guard system prevents leakage of surface current
    3799 Reward Points
    Price Match Guarantee
    FLUKE1555
  4. Fluke 1550C/Kit Insulation Resistance Tester Kit (5kV)
    Fluke logo
    Only 1 In Stock
    Free UK Delivery
    Fluke 1550C/Kit Insulation Resistance Tester Kit (5kV)
    (no reviews)
    £4,558.80 £3,799.00
    • Test voltages up to 10 kV provides solutions for all applications
    • Voltage breakdown detection alerts 
    • Selectable test voltages in 50 V steps from 250 to 1000 V, and 100 V steps above 1000 V
    3799 Reward Points
    Price Match Guarantee
    Fluke 1550C/Kit
  5. Fluke 1550C Insulation Tester Kit w/ IR3000FC Connector
    Fluke logo
    Free UK Delivery
    Fluke 1550C Insulation Tester Kit w/ IR3000FC Connector
    (no reviews)
    £4,558.80 £3,799.00
    • Measure resistance up to 1TΩ
    • Capacitance, leakage current, and breakdown testing
    • Transfer readings to a smartphone/ tablet using the IR3000FC Connector
    3799 Reward Points
    Price Match Guarantee
    1550CKIT+IR3000FC
  6. Fluke 1555/Kit Insulation Resistance Tester Kit (10kV)
    Fluke logo
    Only 1 In Stock
    Free UK Delivery
    Fluke 1555/Kit Insulation Resistance Tester Kit (10kV)
    (no reviews)
    £4,918.80 £4,099.00
    • Test high voltage equipment up to 10kV
    • Internal warning bell warns of AC and DC voltage presence
    • Measurement storage, voltage breakdown detection and LCD display
    4099 Reward Points
    Price Match Guarantee
    Fluke 1555/Kit
  7. Fluke 1555 Insulation Resistance Tester & IR3000FC Connector Kit
    Fluke logo
    Free UK Delivery
    Fluke 1555 Insulation Resistance Tester & IR3000FC Connector Kit
    (no reviews)
    £4,918.80 £4,099.00
    • Fluke Connect compatible for wireless data monitoring, analysis, trending and sharing
    • Measure insulation resistance up to 2TΩ
    • Maximum test voltage: 10kV
    4099 Reward Points
    Price Match Guarantee
    1555KIT+IR3000FC

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About High Voltage Insulation Testers & Megohmmeters

All electrical insulation is susceptible to degradation over time. At the start of its service life, the insulation applied to an electrical system - whether it's a common appliance such as a kettle or a high-powered device like a transformer - should be strong enough to make leakage current non-existent or negligible and ensure that the electrical installation/appliance can be used safely.

However, insulation will degrade over time leading to more potential leakage current. As such the system becomes less and less safe over time, and this is exactly why insulation resistance tests must be regularly carried out to ensure that the resistance of the insulation is sufficiently high.

We have a range of different insulation testers depending upon the application they are to be used in.

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