MRC-2014Hot.svg - page 196-197

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
/20
/200
/2000
Basic Accuracy
±(2%rdg+3d)
Resolution
0.01
/0.1
/1
/0.01k
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.
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