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HD Electric Hi-Test IT-4 Insulator Tester – Choice of Kits

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HD-IT-4-X
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HD Electric Hi-Test IT-4 Insulator Tester

The HD Electric Hi-Test IT-4 Insulator Tester can be used to check energised and deenergised insulators for non-visible internal damage. It is able to test insulators at any AC line voltage. This tester is available as part of three kits that vary in regards to the voltage of their charging adapters and/or the inclusion of a charging cord; please see the ‘What’s Included?’ section for further details.

Radio frequency and television interference (RF/TVI), blinking lights, recloser operations and blown fuses are caused by non-visible insulator failures. The HD Electric Hi-Test IT-4 Insulator Tester can be used to prevent or trace the sources of these problems. It is also useful for protecting service personnel as undetected, unseen insulator failures can threaten the safety of line crews conducting maintenance on energised systems.

When testing insulators that are in service there must be two or more insulators between the conductor and the ground. This tester is suitable for checking energised porcelain, glass or cap and pin transmission or distribution insulators at any voltage, and can be used as a maintenance tool to test these insulators quickly, reliably and safely as a matter of routine. Additionally, the HD Electric Hi-Test IT-4 Insulator Tester can be used to test installed, de-energised insulators prior to energising, and single insulators prior to installation.

This lightweight (3lbs/ 1.36kg), handheld instrument will instantly display the condition of defective insulators via its LED scale and will issue a buzzer alert to draw the user’s attention to these units. Each insulator is tested separately with its condition displayed on the LED scale, making the HD Electric Hi-Test IT-4 Insulator Tester easy to use. To perform these tests, it applies a current-limited 10kV DC voltage through two probes. The HD Electric Hi-Test IT-4 Insulator Tester has an operating frequency of 50/60 Hz.

As the HD Electric Hi-Test IT-4 Insulator Tester is capable of testing insulators in a string at all voltage levels, it can be used to verify insulator string integrity prior to shunting insulator bells during energised maintenance work. Furthermore, this instrument is equipped with a universal spline which can be used with a hotstick to perform convenient, energised testing of insulators immediately prior to live line work.

In addition to this, the compact, easy-to-hold design of the HD Electric Hi-Test IT-4 Insulator Tester makes it suitable for testing deenergised insulators in various locations including store yards, reclaim areas and in the field.

As the HD Electric Hi-Test IT-4 also functions as an insulator, the possibility of causing flashover when testing energised insulators is not increased. Again, this adds to the versatility, safety and practicality of this instrument.

Also improving the practicality of this instrument is its rechargeable lithium-ion battery which is able to power the HD Electric Hi-Test IT-4 Insulator Tester for several days (depending on usage), maximising uptime. Furthermore, the HD Electric Hi-Test IT-4 Insulator Tester can be recharged overnight.

The HD Electric Hi-Test IT-4 Insulator Tester is a versatile, practical, easy-to-use test instrument. It is suitable for improving system reliability and line crew safety, as well as reducing system costs by identifying good insulators which can be recycled.

Applications

Testing Deenergised Insulators

The HD Electric Hi-Test IT-4 Insulator Tester features two probes which can be placed in three different positions allowing the user to adjust the HD Electric Hi-Test IT-4 Insulator Tester in accordance with his/her preferences.

To test a deenergised porcelain, glass, suspension or cap and pin insulator, the operator need only place one of the probes on the cap of the insulator-under-investigation and the other probe on the insulator’s pin. If the LED scale illuminates past the second yellow light and/or the HD Electric Hi-Test IT-4 issues a buzzer alert, the insulator should be tested for surface contamination.

Testing for Surface Contamination

Place the probes on the skirt of the insulator-under-test to determine if the surface is conductive. If this test proves positive, the insulator should be cleaned and retested.

Testing Multi-piece Insulators

These insulators can be tested while they are in service when using the HD Electric Hi-Test IT-4 Insulator Tester. To do this, a hotstick is attached to the HD Electric Hi-Test IT-4 Insulator Tester’s universal spline and the same test procedure as when testing a deenergised insulator is followed.

HD Electric Hi-Test IT-4 Insulator Tester Key Features

  • Check energised or deenergised insulators for non-visible internal damage at any AC line voltage
  • Prevent and/or trace the sources of radio frequency and television interference, blinking lights, recloser operations and blown fuses
  • Protect line crews performing maintenance on energised systems
  • When testing energised insulators there must be two or more insulators between the conductor and the ground
  • Suitable for checking energised porcelain, glass or cap and pin transmission or distribution insulators
  • Can be used as a maintenance and troubleshooting tool
  • Test installed, deenergised insulators prior to energising
  • Test single insulators prior to installation
  • Lightweight (3lbs/ 1.36 kg)
  • Handheld
  • Will instantly display the condition of defective insulators via the LED scale
  • Issues a buzzer alert when bad insulators are detected
  • Easy-to-use: each insulator is tested separately and their condition displayed via the LED scale
  • Applies a limited-current, 10kV DC voltage through two probes to perform tests
  • Operating frequency: 50/60 Hz
  • Operating temperature range: -25˚F (-32°C) to 125˚F (52°C)
  • Capable of testing insulators in a string at all voltage levels
  • Verify insulator string integrity prior to shunting insulator bells during energised maintenance work
  • Universal spline for the attachment of a hotstick
  • Use a hotstick to perform convenient energised testing of insulators immediately prior to live line work
  • Test deenergised insulators in storerooms, reclaim areas and in the field
  • Also functions as an insulator preventing flashover during the testing of energised insulators
  • Rechargeable, lithium-ion battery capable of powering the tester for several days (depending on usage)
  • Can be recharged overnight
  • A versatile, practical, easy-to-use tester
  • Improve system reliability
  • Ensure line crew safety
  • Reduce system costs by identifying and recycling good insulators

What’s Included?

HD Electric Hi-Test IT-4 Insulator Tester Standard Kit

  • HD Electric Hi-Test IT-4 Insulator Tester
  • Rechargeable Lithium-ion Battery
  • Standard Side Bent Probe
  • Standard Straight Probe
  • 120V AC Charging Adapter
  • CS-IT4 Case

HD Electric Hi-Test IT-4 Insulator Tester 12V Kit

  • HD Electric Hi-Test IT-4 Insulator Tester
  • Rechargeable Lithium-ion Battery
  • Standard Side Bent Probe
  • Standard Straight Probe
  • 120V AC Charging Adapter
  • 12V Charging Cord
  • CS-IT4 Case

HD Electric Hi-Test IT-4 Insulator Tester 220P Kit

  • HD Electric Hi-Test IT-4 Insulator Tester
  • Rechargeable Lithium-ion Battery
  • Standard Side Bent Probe
  • Standard Straight Probe
  • 220V AC Charging Adapter
  • CS-IT4 Case

Kit Overview 

Instrument Standard Kit 12V Kit 220P Kit
HD Electric Hi-Test IT-4 Insulator Tester X X X
Rechargeable Lithium-ion Battery X X X
Standard Side Bent Probe X X X
Standard Straight Probe X X X
120V AC Charging Adapter  X X
12V Charging Cord X
220V AC Charging Adapter  X
CS-IT4 Case X X X
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Additional Information
SKU HD-IT-4-X
Manufacturer Part Code IT-4
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