Designed specifically for testing thin linings and coatings, in which low voltage output is required. It achieves this by using electronic circuitry for fine control of a DC-pulsed voltage. Also incorporates a thermal cutoff and transformer isolation for safety.
Key Features and Operating Characteristics:
It has a control knob on the high voltage handle to adjust the output voltage. Circuitry is fused, with with ON/OFF switch. The metal control unit has a carrying handle and non-skid rubber feet. The High Voltage Probe is made of durable plastic, with a 6 ft. cord. The High Voltage Probe is made of durable plastic, with a 6 ft. cord.
Output voltage is adjustable from 2,000 to 20,000. Output frequency is 500 kHz, DC pulsed. Output current is approximately 0. 1 mA maximum. Separate models operate from either 115 or 230 VAC, 50/60 Hz. Overall dimensions: 7x5.5x6.5 in. with 11x2.5 in handle. Weight: 13 lbs.
Key Applications and Accessories:
Can detect pinholes in thin linings:
- plastic, glass, or rubber linings, 1/16 to 1/4 in. thick, on metal tanks
- holidays” (voids) in thin coatings or paint on metal or concrete surfaces
- insulation on wires
Accessory electrodes included are the 12201 Spring Tip and a 12461 Electrode Shunt for use with other electrodes. Other accessories electrodes facilitate testing larger surfaces, include the 12141 Fan Tip; 4 in. 12121 and 8 in. 12131 brass brush; 4 in. 12401 and 8 in. 12421 T-Tips. For work with glass, the 12111 Spring Tip is useful.
The 12701 Peak Voltage Calibrator accessory permits accurate measurement of the output of this model.
This Product meets the following ASTM Standards:
BD40E - ASTM D1670/D1670M