Digital Earth Tester

---Display: 3 1/2 digits LCD with a max. reading of 1999
Overload indication: Only figure "1" on the display.
LED gives green light: It indicates the tester is working normally.
LED gives red light and the buzzer sounds:  It indicates that the resistance between
"C" terminal and "E" terminal is out of the permitted range.
Response time: about 5 seconds for grounding resistance test; about 2 seconds for
grounding voltage test;
Grounding resistance test range: 0~2000Ω
Grounding voltage test range: 0~200V
Test current: about 2mA (It will not trip current breakers in the circuit under test.)
Fixed time test and continuous test can be selected for grounding resistance test.
Overload protection: one minute for AC 380V between any two terminals
Operating environment:  0oC ~ 40oC, relative humidity: <75%
Storage environment:  -10oC ~ 50oC, relative humidity: <85%
Battery: 1.5V, AA battery, 6 units
Low battery indication
Size: 168X110X62 mm
Weight: about 592g (including batteries)