Specifications - Extech Instruments GRT350 User Manual

Specifications
Earth Resistance Ranges
Earth Resistance Resolution
Earth Voltage
Earth Resistivity Ranges (
(ρ = 2 πLR)
L = distance between probes
R = resistance
Test Frequency
Test Current
Data Memory
Test lead lengths
Temperature & Humidity
Altitude
Power Source
Dimensions
Weight
Fuse
Safety Standards
800.561.8187
ρ
)
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Ranges: 0‐20Ω, 0‐200Ω, 0‐2kΩ
Accuracy: ±(2%rdg+3dgt)
0‐20Ω: 0.01Ω
0‐200Ω: 0.1Ω
0‐2kΩ: 1Ω
Range: 0‐300VAC (50/60 Hz)
Accuracy: ±(2%rdg+3dgt)
0.06‐6.28 kΩ.m
0.62‐62.8 kΩ.m
6.28‐628 kΩ.m
820Hz
2mA
200 manual locations
Green lead 5 m (16 ft)
Black lead 10m (32 ft)
Yellow lead 10m (32ft)
Red lead 15m (49ft)
Operating: 0 to 50°C (32 to 122°F); ≦80%R.H.
Storage: ‐10 to 60°C (14 to 140°F); ≦80%R.H.
2000m (6500') max
1.5V(AA) x 8 batteries
250(L) x 190(W) x 110(D)mm (9.84 x 7.5 x 4.33")
Approx. 1430g (batteries installed)
500mA/500V (5 x 20mm) fast blow, ceramic type
CAT IV‐300V, EN 61010‐1, EN 61326‐1, EN 61557‐1, EN 61557‐5
ISO‐9001 Certified
10
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