Manual

—

Fig. 3

⑴ Test socket ⑵ Terminal block ⑹ LCD

⑺ LED for test result

⑻ Start/Stop switch

⑼ Null/250V-500V

switch

⑽ Function switch

⑾ SELECT switch

3.3 Features

• Warning for the appliance to be ON.

• Selection for 250V or 500V on the insulation resistance test.

• Null function for the protective conductor resistance test.

• Warning for the over range value in the LCD.

• Capable of judging pass/fail of tests by LED on the panel and by buzzer.

3.4 INSTRUMENTS LAYOUT

Terminal Block

⑿ ⑶ ⑷ ⑸

⑴ Test socket

Insert the mains plug of

DUT to this socket for the polarity test of protective

conductor resistance, insulation resistance and Leakage current test.