![3 Wire (Digital) Earth Resistance Tester](https://d27wgn5g4t3wja.cloudfront.net/img/8e43877c-f0fe-c7d0-2613-1578e6b43bcf/322112.png)
3 Wire (Digital) Earth Resistance Tester
1620 ER - Standard Electric Works Co., Ltd (SEW)
● Microprocessor-controlled.
● Measures earth resistance in three ranges : 40Ω, 400Ω, 4kΩ.
● Capable of measuring earth voltage.
● 3 ¾ digit (4000 counts).
● LCD backlight display.
● 2mA measuring current permits the testing of earth
resistance without tripping earth leakage current
breakers in the circuit under test.
● Data hold function.
● Relative function.
● Auto power-off function.
● Low battery indication.
● Calibration performed with supplied test leads.