Scr elektroniks provides programmable high-voltage testers [model phvt] to ensure the satisfactory and safe performance of all electrical products and for carrying out voltage breakdown tests. These are unique high voltage breakdown testers, which incorporate all the desired features to carryout the high-voltage test according to the procedure laid down in different standards. The operation is simple and automatic. In auto mode the object under test is connected to high-voltage terminals and the desired voltage, the time period and permissible leakage current range are set with knob or switches provided on front panel. Pushbutton is provided to start the test. Voltage gradually increases at a constant rate to set value, it remains constant for the set time period and decreases to zero after the set time. The voltage and leakage current are indicated on digital meters. In case of breakdown, the voltage will be instantly disconnected from the ht terminal. In manual mode the instruments work like conventional high-voltage -testers having a facility to increase/decrease the voltage uniformly by a motorised arrangement, simply, by pressing the pushbuttons.