High Voltage Insulation Testers & Megohmmeters

  1. Megger MIT2500 Industrial/Utility High Voltage Insulation Tester-2.5kV
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    5 In Stock
    Free UK Delivery
    Megger MIT2500 Industrial/Utility High Voltage Insulation Tester-2.5kV
    (no reviews)
    £1,018.80 £849.00
    • Handheld, portable insulation tester
    • Variable test voltage from 50 to 2500V
    • Memory storage with Bluetooth wireless connection
    849 Reward Points
    Price Match Guarantee
    1004-745
  2. Megger MIT515 5kV Insulation Resistance Tester
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    Only 1 In Stock
    Free UK Delivery
    Megger MIT515 5kV Insulation Resistance Tester
    (no reviews)
    £2,992.80 £2,494.00
    • Megger's entry-level HV insulation resistance tester
    • Test resistance levels to 10TΩ
    • IR, PI and DAR diagnostic testing
    2494 Reward Points
    Price Match Guarantee
    1001-935
  3. Megger MIT525 5kV High Voltage Insulation Resistance Tester
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    5 In Stock
    Free UK Delivery
    Megger MIT525 5kV High Voltage Insulation Resistance Tester
    (no reviews)
    £3,662.40 £3,052.00
    • Tests resistance levels up to 10TΩ
    • Integrated memory storage and USB download to PC
    • 6 hour battery life with rechargeable batteries and optional mains power
    3052 Reward Points
    Price Match Guarantee
    1001-939
  4. Megger MIT1025 10kV Insulation Resistance Tester
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    5 In Stock
    Free UK Delivery
    Megger MIT1025 10kV Insulation Resistance Tester
    (no reviews)
    £4,248.00 £3,540.00
    • High specification insulation resistance tester
    • Housed in its own protective casing
    • Wide variety of testing types and in-built memory
    3540 Reward Points
    Price Match Guarantee
    1001-943
  5. Megger MIT1525-UK High Voltage DC Insulation Resistance Tester - 15kV
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    4 In Stock
    Free UK Delivery
    Megger MIT1525-UK High Voltage DC Insulation Resistance Tester - 15kV
    (no reviews)
    £5,514.00 £4,595.00
    • Measure insulation resistance to 30TΩ with up to 15kV test voltage
    • Built-in memory storage
    • Powered by rechargeable batteries
    4595 Reward Points
    Price Match Guarantee
    1002-907
  6. Megger S1-1568 UK Diagnostic Insulation Tester 15kV – Choice of Model
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    1 Option in Stock
    Free UK Delivery
    Megger S1-1568 UK Diagnostic Insulation Tester 15kV – Choice of Model
    (no reviews)
    £5,802.00 £4,835.00
    • Two models: one with a transport case, one without a transport case
    • Suitable for testing equipment used within the generation, distribution and transmission industry sectors
    • Can perform automated resistance test sequences remotely via a USB cable 
    4835 Reward Points
    Price Match Guarantee
    S1-1568
  7. Megger S1-1068-UK Diagnostic Insulation Tester 10kV, 6mA test current, 8mA immunity
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    Only 1 In Stock
    Free UK Delivery
    Megger S1-1068-UK Diagnostic Insulation Tester 10kV, 6mA test current, 8mA immunity
    (no reviews)
    £5,868.00 £4,890.00
    Megger S1-1068-UK Diagnostic Insulation Tester 10kV, 6mA test current, 8mA immunity
    4890 Reward Points
    Price Match Guarantee
    1003-008
  8. Megger HVTEST-25 Portable High Voltage Generator
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    Made To Order
    Free UK Delivery
    Megger HVTEST-25 Portable High Voltage Generator
    (no reviews)
    Call for Pricing
    • 0 to 25kV adjustable output voltage
    • Portable design for easy transportation
    • Integrated discharge facility
    We require additional information before you purchase this product.
    HVTEST-25
  9. Megger MTO210 Transformer Ohmmeter, 10A 120-240V
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    Free UK Delivery
    Megger MTO210 Transformer Ohmmeter, 10A 120-240V
    (no reviews)
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    • Resistance measurement range: 1mΩ to 2000Ω
    • Accuracy: 0.25%
    • Maximum test current: 10A DC
    We require additional information before you purchase this product.
    MTO210
  10. Megger MTO300/330A Automated Six-Winding Transformer Ohmmeter - Optional Onboard Computer
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    Free UK Delivery
    Megger MTO300/330A Automated Six-Winding Transformer Ohmmeter - Optional Onboard Computer
    (no reviews)
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    • Automated eight-terminal/ six-winding resistance measurement
    • DC test current up to 10A
    • Built-in discharge circuit
    We require additional information before you purchase this product.
    MTO300/330A
  11. Megger MTO250 Transformer Ohmmeter
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    Free UK Delivery
    Megger MTO250 Transformer Ohmmeter
    (no reviews)
    Call for Pricing
    • DC test current up to 50A
    • Dual set of potential inputs and dual-channel display
    • Test the winding plus contact resistance of LTC and assess the “make-break” transition event
    We require additional information before you purchase this product.
    MTO250

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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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