Hoyt ST-1520 Digital Earth Resistance Tester

Features:

• Capable of measuring earth resistance and earth voltage
• 2 mA measuring current permits the testing of earth resistance without tripping earth leakage current breakers in the circuit under test
• Auto power off function
• 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
• Timer for test function (count 3 - 5 minutes)
• Battery operated
• Data hold function
• Small and lightweight
• Calibration performed with supplied test leads