TECPEL Electricals and Electronics Testing Voltage Detector HVP-275

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  • HVP-275 high voltage proximity tester
  • HVP-275 high voltage proximity tester
  • HVP-275 high voltage proximity tester


HPV-275 from Tecpel is a handheld non-contact high proximity voltage detector. No need to get in-between the wires. It has eight voltage detection settings from 240Vac to 275kVac. The HVP-275 consists of an internal pickup sensor plate, a sensitivity selector, a visual and a sound annunciator. With the HVP-275, physical contact with electrical conductors is not necessary when testing for live lines. This tester works by proximity. Its sensor senses the radiated field which surrounds live conductors, radiated field strength increases with voltage and decreases quickly with distance or earth shielding.

The radiated field from a cable of closely bunched conductors supplied by three-phase power tends to cancel (See “Limitations of use” paragraph). Detecting distance of a 250Vac single live wire is approximately 10cm. With a bunched neutral and earth cable, as in a flexible cable, the distance is reduced to 5cm.

Some of the typical uses are: identify and check live cables; find fault in flexible cables; check earth equipment; service neon lightning; trace live wires; check high-frequency radiation; detect residual or induced voltages. For example, faults in damaged flexible cables are found by applying a low voltage to each conductor. Earthing the remainder and moving the tester along the cable until the change in condition is obtained. (Flexible cables which are used in mining and building industries are readily repairable when the break in the cable is located.)

When testing for high voltage, the rotary switch (attenuator) is used to identify and differentiate various HV live cables. The tester must be used in conjunction with a long and insulating rod when measuring high voltage (kV). However, the HVP-275 is a non-contacT-Tester and it is advised that the tester should never come into contact with cables (kV) as this tester is merely a non-contact AC proximity tester.

Checking or proofing the tester is easy. Switch the sensitivity to 240V and place the dome against a low voltage live conductor or rub the dome with a cloth or against an item of clothing as this generates a static DC which triggers the detection of a circuit. The light and beeper should go “on” as if a live wire is being approached. Approaching the dome near a computer screen or a TV screen should also trigger the tester while on the 240V selection. The power consumption of the 275HP is very low, and the tester should always be tested as described above before using it.


HPV-275 from Tecpel comes with the following properties:

  • Sealed by "O" Ring.
  • 8 voltage settings: 240Vac, 2kV, 6kV, 11kV, 22kV, 33kV, 132kV, and 275kV.
  • High bright LEDs visual indication.
  • Sound indication.
  • Easy-to-proof method.
  • Self-test selection.
  • Use 3 x 1.5V “C” batteries.
  • High impact nylon casing.
  • Non-contact work by proximity.
  • Compatible with most link sticks.
  • Lightweight, robust, & compact.
  • Suitable for indoor and outdoor use.
  • Detect low voltage on any systems.
  • Easy access to batteries.
  • No special parts needed.
  • Three-year warranty.
  • Simple and efficient to use.


Brand Information

Tecpel Co. Ltd. has over 20 years of experience in the Test and Measurement market. They have set up over 50 country distributors worldwide. Some of their products have been branded by famous leaders in the market. About 60% of their customers are repeat customers. Tecpel imports products from Japan and carries out quality checks. Their products are exported to Europe mainly. If customers find a fault with the product, they will replace it with a new product within 2-3 days.

They are regarded as one of the leading Taiwanese manufactures of high quality test and measurements. Their product lines include power supplies, oscilloscopes, electronics & electrical meters and testers. Tecpel’s quality products have been accepted by some well-known international customers. The confidence they have in their products is reflected in their one-year warranty and by their flat-rate service policy through 3-5 years.

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Warranty Information

One-Year Warranty
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