3½ LCD Digital Display, Big Screen for Easy Reading.
Capability of Preventing Disturbance from Earth
Voltage, Promise Normal Test without Open the Circuit.
If Auxiliary Earth Resistance of Potential Terminal
Rp and of Curent Terminal Rc are as below value: Rp < 50k? Rc < 1k? (range 0.00 to 19.99?) Rc < 10k? (range 20.0 to 199.9?), 200 to 1999?.
There is no influence on measuring.
If Earth Return Circuit is Opened, OPEN CIRCUIT is
.displayed on LCD.
Battery Supply, Low Battery Indication.
Auto Shut-off to Save Battery Power
Earth Resistance Tester ERT-1 can be used for measuring the earth resistance of various earth installations and the resistance of low resistance conductors, and also be used for testing earth resistivity and testing earth voltage.
