High Voltage Insulation Testers & Megohmmeters
Insulation breakdown isn't just inconvenient - it's highly dangerous. These high voltage insulation testers verify the insulation of an electrical installation to see if action must be taken to prevent dangerous electrical incidents. Read More about High Voltage Insulation Testers & Megohmmeters
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Free UK DeliveryKewtech KEW3125B High Voltage Insulation Tester (5kV)£838.80 £699.00- The UK's smallest and lightest high voltage insulation tester
- Selectable test voltages to 5000V (5kV)
- Measure insulation resistance to 1TΩ, plus perform DAR and PI testing
699 Reward PointsPrice Match GuaranteeKEWIT3 -
Free UK DeliveryMegger MIT2500 Industrial/Utility High Voltage Insulation Tester-2.5kV£1,018.80 £849.00- Handheld, portable insulation tester
- Variable test voltage from 50 to 2500V
- Memory storage with Bluetooth wireless connection
849 Reward PointsPrice Match Guarantee1004-745 -
Free UK DeliveryFluke 1535 Insulation Resistance Tester & Megohmmeter£1,422.00 £1,185.00- Selectable test voltage: 250 V, 500 V, 1000V, and 2500V
- Insulation resistance: up to 500 GΩ
- Automatic PI and DAR calculations
1185 Reward PointsPrice Match Guarantee5592398 -
Free UK DeliveryMetrel MI3202 GigaOhm 5Kv Insulation Tester£1,543.20 £1,286.00- Insulation testing up to 5kV
- Large LDC display
- Compatible with PC
1286 Reward PointsPrice Match GuaranteeMI3202 -
Free UK DeliveryHD Electric PT-5000W High Voltage DC Leakage TesterCall for Pricing- Check de-energised and discharged primary and secondary voltage insulation systems and components
- Two test voltages: 500 VDC and 5000 VD
- Pressing and holding pushbuttons to issue the required test voltage prevents accidental operation
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Free UK DeliveryMetrel MI3201 TeraOhm 5Kv Plus Insulation Tester£1,848.00 £1,540.00- Digital insulation testing up to 5kV
- LCD screen and real-time graphs
- Device storage and PC download
1540 Reward PointsPrice Match GuaranteeMI3201 -
Free UK DeliveryChauvin Arnoux CA6505 Digital Megohmmeter£2,064.00 £1,720.00- Insulation resistance measurements to 10TΩ
- 5100V voltage measurements
- Polarisation index and DAR
1720 Reward PointsPrice Match GuaranteeP01139704 -
Free UK DeliveryChauvin Arnoux CA6545 Digital Megohmmeter£2,154.00 £1,795.00- Contains numerous programmable functions
- Fixed voltage tests
- Generously-sized LCD display with bar graph
1795 Reward PointsPrice Match GuaranteeP01139701 -
Free UK DeliveryFluke 1537 Insulation Resistance Tester & Megohmmeter£2,386.80 £1,989.00- Adjustable test voltage from 250 V to 2500 V in 100 V increments
- Insulation resistance: up to 500GΩ
- Automatic PI, DAR, & DD calculations & Ramp Test mode
1989 Reward PointsPrice Match Guarantee5592405 -
Free UK DeliveryMetrel MI3205 TeraOhm XA 5kV High Voltage Insulation Tester£2,426.40 £2,022.00- Perform high voltage diagnostics on a wide variety of equipment
- Test voltage to 5kV
- Memory storage with download to PC
2022 Reward PointsPrice Match GuaranteeMI3205-X -
Free UK DeliveryChauvin Arnoux CA6547 Digital Megohmmeter£2,718.00 £2,265.00- Memory storage and download functions
- Wide insulation resistance range from 30kΩ to 10TΩ
- 4 fixed testing voltages of 500, 1000, 2500 and 5000V
2265 Reward PointsPrice Match GuaranteeP01139702 -
Free UK DeliveryMegger MIT515 5kV Insulation Resistance Tester£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 PointsPrice Match Guarantee1001-935 -
Free UK DeliveryMetrel MI3210 TeraOhm XA 10kV High Voltage Insulation Tester£3,228.00 £2,690.00- Measure insulation resistance and perform diagnostic testing on high voltage systems
- Adjustable test voltage up to 10kV
- Built-in memory storage with download to PC
2690 Reward PointsPrice Match GuaranteeMI3210-X -
Free UK DeliveryMetrel MI3209 TeraOhmLT 10kV High Voltage Insulation Tester£3,247.20 £2,706.00- Insulation resistance up to 10 TΩ
- Adjustable test voltage between 50V & 10kV
- Capacitance, voltage & frequency measurement & diagnostic, step voltage & withstanding voltage tests
2706 Reward PointsPrice Match GuaranteeMI3209 -
Free UK DeliveryChauvin Arnoux CA6549 Digital Megohmmeter£3,334.80 £2,779.00- Thousands of results transferred to computer
- Fixed and adjustable voltage tests
- Automatic calculating of DAR, PI and DD ratios
2779 Reward PointsPrice Match GuaranteeP01139703 -
Free UK DeliveryMegger MIT525 5kV High Voltage Insulation Resistance Tester£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 PointsPrice Match Guarantee1001-939 -
Free UK DeliveryChauvin Arnoux CA6550 Digital Megohmmeter£3,718.80 £3,099.00- Stores up to 80,000 results
- Tests insulation and conducts voltage
- DataView software included
3099 Reward PointsPrice Match GuaranteeP01139705 -
Free UK DeliveryFluke 1550C Insulation Resistance Tester (5kV)£4,092.00 £3,410.00- 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
3410 Reward PointsPrice Match GuaranteeFLUKE1550C -
Free UK DeliveryFluke 1555 Insulation Resistance Tester (10kV)£4,195.20 £3,496.00- Test resistance up to 10KV and 2TOhms
- Selectable test voltages
- Guard system prevents leakage of surface current
3496 Reward PointsPrice Match GuaranteeFLUKE1555 -
Free UK DeliveryMegger MIT1025 10kV Insulation Resistance Tester£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 PointsPrice Match Guarantee1001-943 -
Free UK DeliveryFluke 1550C/Kit Insulation Resistance Tester Kit (5kV)£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 PointsPrice Match GuaranteeFluke 1550C/Kit -
Free UK DeliveryFluke 1550C Insulation Tester Kit w/ IR3000FC Connector£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 PointsPrice Match Guarantee1550CKIT+IR3000FC -
Free UK DeliveryChauvin Arnoux CA6555 Digital Megohmmeter£4,674.00 £3,895.00- DataView software included for reports
- Stores up to 80,000 results in memory
- Measuring range of 10 kohm to 30 Tohm
3895 Reward PointsPrice Match GuaranteeP01139706 -
Free UK DeliveryFluke 1555 Insulation Resistance Tester & IR3000FC Connector Kit£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 PointsPrice Match Guarantee1555KIT+IR3000FC
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.
