Greenlee CMGRT-100 Manuel D'instructions page 14

Accuracy
Accuracy is specified as ± (a percentage of the reading + a fixed amount) within the following
parameters:
• Temperature: 23 °C ± 3 °C (73.4 °F ± 9 °F)
• Relative humidity: 40% to 60%
• Conductor location: Centered in jaw
• Battery charge: 8 V ± 0.2 V
• External magnetic field: < 40 A/m
• External electrical field: < 1 V/m
• Loop resistance: Non-inductive
Ground Resistance
Range
0.10 to 1.00 Ω
1.0 to 50.0 Ω
50.0 to 100.0 Ω
100 to 200 Ω
200 to 400 Ω
400 to 600 Ω
600 to 1200 Ω
Ground or Leakage Current
Range
1 mA to 299 mA
0.300 A to 2.999 A
3.00 A to 29.99 A
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Resolution
0.01 Ω
0.1 Ω
0.5 Ω
1 Ω
5 Ω
10 Ω
50 Ω
Accuracy
± (2.5 % + 2 mA)
± (2.5 % + 2 mA)
± (2.5 % + 20 mA)
Accuracy
± (2 % + 0.02 Ω)
± (1.5 % + 0.1 Ω)
± (2.0 % + 0.5 Ω)
± (3.0 % + 1 Ω)
± (6.0 % + 5 Ω)
± (10.0 % + 10 Ω)
± 25 % (approximately)