Model PRM Peak-Reading Voltmeter

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The Tinker & Rasor Model PRM is a portable peak-reading voltmeter designed to measure the peak output of high-voltage pulsed DC holiday detectors up to 40,000 volts. It captures fast-rising voltage pulses with rise times of less than one microsecond, making it suitable for field verification, laboratory testing or in-plant testing.

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The PRM is commonly used to verify the output of Tinker & Rasor pulse DC holiday detectors, including the Models APS and AP/W, as well as compatible equipment from other manufacturers. Although current Tinker & Rasor holiday detectors include integrated voltmeters, the PRM provides an independent field check of detector output at the test electrode. The PRM is rated at ±5% accuracy.

New Advanced Temperature Compensation

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The updated PRM incorporates advanced temperature-compensation circuitry designed for changing field conditions. The instrument automatically compensates for substantial ambient temperature fluctuations, reducing electronic drift and maintaining consistent peak-voltage measurements across an operating range of 0°C to 50°C.

Built for Field Use

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The PRM is housed in a rugged, weather-resistant MIL-SPEC case for dependable operation in demanding environments. The case includes an internal cable-storage compartment to keep test leads organized and protected during transportation. Power is supplied by a single, easily replaceable 9-volt lithium battery, and a low-battery indicator alerts the operator when replacement is required.