The 500HP is a HIGH VOLTAGE proximity detector. 500HP has 10 Voltage detection settings from 240V to 500KV. The 500HP consists of an internal pickup sensor plate, a sensitivity selector, a visual and a sound annunciator. With the 500HP 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 & 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).

The 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 users are: identify and check live cables; find faults in flexible cables; check earth equipment; service neon lightning; trace live wires; check high-frequency radiation; and detect residual or induced voltages. For example, faults in damaged flexible cables are found by applying 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 used 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 500HP is a non-contact tester and it is advised that the tester should never come in to 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 AC 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 the 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 (not liquid crystal display type) should also trigger the tester while on 240V selection.

Features:

• 8 Voltage Settings : 240V , 2KV, 6KV, 11KV, 22KV, 33KV, 132KV and 275KV AC (Model 275HP)
• 10 Voltage Settings : 240V, 3.3KV, 11KV, 22KV, 33KV, 66KV,110KV, 220KV, 330KV, 500KV (Model 500HP)
• Self-test selection
• High bright LED visual indication
• Sound indication
• Non-contact work by proximity
• Detect low voltage on any systems
• Compatible with most link sticks
• Use 3 x 1.5V “C” batteries
• Easy access to batteries
• High-impact nylon casing
• Sealed by “0” rings
• Suitable for indoor and outdoor use
• Lightweight, robust, & compact

Safety:

• Meets EN61000-3-2; EN61000-3-3; EN61326-1; EN55011 EN61000-4-2; EN61000-4-3; EN61000-4-4; EN61000-4-5; EN61000-4-6; EN61000-4-11.

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