Analog Earth Resistance Tester
High quality Taut Band movement. Capable of measuring earth voltage (Vac). The timer operates automatically for about three to five minutes when the "PUSH BUTTON SWETCH" and "TIMER ON BUTTON" are pressed together. This will keep test "ON" for the duration of the timer. Battery life indication. Battery replacement can be easily made without removing the carring case. IEC 1010 CAT II 30V