Syllogic digital display electroscope

The utility model provides a syllogic digital display electroscope, including telescopic link and signal testing appearance, the telescopic link is cup jointed in proper order by handheld pole, insulator spindle A and insulator spindle B and forms, the signal testing appearance is installed on insulator spindle A, the signal connection circuit is equipped with on the insulator spindle B, the signal connection circuit is connected with the signal testing appearance, the signal testing appearance has the casing, be equipped with charge mouth and ground connection mouth on the casing, button switch, loudspeaker, buzzer, LED lamp and digital display screen be equipped with and, the ground connection mouth still is equipped with earthing device, be equipped with built-in circuit in the signal testing appearance, built-in circuit is including rectification filter circuit, AD converting circuit, CPU and voice conversion module and supply circuit, the utility model discloses the operation is safe convenient, has made things convenient for reading of test voltage greatly through the interior voice conversion of establishing module to interference immunity is strong, has ensured the stability and the instant playback of test voltage.