For dielectric strength testing of electrical appliances, motors, radios and electronic devices, the Model AVC-25V and AVC-25VA cover more than 75% of the requirements for the factory test required by the CSA and HEPC and UL. They are portable plug-in units rated at 500VA, suitable for equipment up to 75 H.P. or 50 kVA.

The Model AVC-25V and AVC-25VA have continuously adjustable output potential from zero to 2500V to cover practically all test voltages called up by CSA, HEPC and UL for breakdown testing. The instrument is equipped with large High Voltage, Power and Fault lamps, automatic cut-out, and continuously indicating high-voltage voltmeter, right across the test prods.

The test set incorporates a special AC line tester and ground sensor, which disables the test set unless the outlet into which it is plugged is correctly wired. If the ground is faulty or if the two AC power wires are reversed, the Dielectric Strength Tester will not operate, but a red warning light will go on, warning the operator that the wiring in his building is faulty.

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