The Tinker & Rasor Model APS High Voltage Holiday Detector supplies 800V to 35 kV in one instrument with two ranges: high range of 3,500V to 35,000V, an low range of 800V to 8,000V. Typical applications are checking coatings on pipelines and other coated structures, tanks, concrete, sewers, and manholes.

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| The instrument is designed with safety in mind. It will only come on when the safety handle is depressed. | Compatible with AP/S1 and AP/S2 accessories: wand, contact rings, batteries, ground cable. |
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Easy-to-adjust voltages, which are shown in kilovots (kV) on the LCD voltmeter display. | Rugged, waterproof case. |