Extech GRT300 4-Wire Earth Ground Resistance Tester
Brand :
Extech
Categories :
Resistance Testers
, Electrical Tools
The GRT300 measures earth ground in 4 ranges from 2 to 2000 Ohm. 4-wire, 3-wire, and 2-wire testing. Large dual line LCD. Automatic I (current) and P (potential) spike check. Test Hold function for easy operation. Autoranging, Automatic Zero adjustment, Data Hold and Auto Power off. AC Earth Voltage. Overrange and low battery indication. Complete with test leads with alligator clips, 4 auxiliary earth bars, hard carrying case, and eight 1.5V AA batteries.
Specifications
-
Test Current
<2mA
-
Earth Voltage
0 to 300VAC (40 to 500Hz frequency)
-
Test Frequency
820Hz
-
Earth Ground Resistance
2Ω/20Ω/200Ω/2000Ω
-
Earth Voltage Basic Accuracy
±(2% of reading + 3 digits)
-
Earth Ground Resistance Basic Accuracy
±(2% of reading + 3 digits)
-
Earth Ground Resistance Max Resolution
0.01Ω/0.1Ω/1Ω/0.01kΩ
-
Power
8 × AA (1.5V) batteries
-
Weight
3.15lbs (1430g)
-
Warranty
2 years
-
Dimensions
9.8 × 7.8 × 4.3" (250 × 190 × 110mm)
-
Certifications
CE
-
Safety Category
CATIV - 300V
