METERS
Resistance
GRT300, 4-Wire Earth Ground Resistance Tester Kit
GRT300
MRC.07.14
Includes all hardware necessary to measure earth ground
Features:
●
4-wire, 3-wire, and 2-wire testing
●
Large dual line LCD
●
Autoranging
●
Automatic I (current) spike check
●
Automatic P (potential) spike check
●
Test Hold function for easy operation
●
Automatic Zero adjustment
●
AC Earth Voltage
●
Data Hold and Auto Power off
●
Overrange and low battery indication.
Model
GRT300
Earth Ground Resistance ranges
2
Ω
/20
Ω
/200
Ω
/2000
Ω
Basic Accuracy
±(2%rdg+3d)
Resolution
0.01
Ω
/0.1
Ω
/1
Ω
/0.01k
Ω
Test Current / Frequency
<2mA / 820Hz
AC Earth Voltage / Frequency
0 to 300VAC / 40 to 500Hz
Accuracy
±(2%rdg+3d)
Power supply
Eight 1.5V ‘AA’ Batteries
Dimensions
250 x 190 x 110mm
Weight
1430g (batteries included)
Complete with test leads with alligator
clips, 4 auxiliary earth bars, hard carrying
case, and eight 1.5V AA batteries.
172