3 Wire (Analogue) Earth Resistance Tester

ST-1505 - Standard Electric Works Co., Ltd (SEW)

● High quality Taut Band movement.
● Capable of measuring earth resistance and earth voltage.
● The timer operates automatically for about three to
five minutes when the “PUSH BUTTON SWITCH”
and “TIMER ON BUTTON” are pressed together.
● This will keep test “ON” for the duration of the timer.
● Battery check function.
● Calibration performed with supplied test leads.