Extech Instruments 382357 User Manual page 13

Ground Resistance (Autorange) Specifications
Range

0.025 to 0.250

0.250 to 1.000

1.001 to 9.999

10.00 to 50.00

50.01 to 99.99

100.0 to 200.0

200.1 to 400.0

400.0 to 600.0

600.1 to 1500
Accuracy Note: Loop resistance non‐inductive, external field < 50A/m, external electrical field
<1 V/m, conductor centered
Ground / Leakage Current Specifications
Range
0.300 to 1.000mA
1.00 to 10.00mA
10.0 to 100.0mA
100 to 1000mA
0.20 to 4.00A
4.00 to 30.00A
Notes: 50/60Hz bandwidth, True RMS sensing, Crest Factor < 3.0
High and Low Alarm (programmable)
High Alarm
Low Alarm
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Resolution
0.002

0.02

0.02

0.04

0.04

0.4

2

5

20
Accuracy (% of reading)
± (2.0% ± 0.05mA)
± (2.0% ± 0.03mA)
± (2.0% ± 0.3mA)
± (2.0% ± 0.3mA)
± (2.0% ± 0.03A)
± (3.0% ± 0.03A)
Range

0‐1510

0‐1510
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Accuracy (of reading)

± (1.5% + 0.05
± (1.5% + 0.05
± (1.5% + 0.1
± (2.0% + 0.3
± (2.0% + 0.5
± (3.0% + 1.0
± (5.0% + 5
± (10% + 10
± 20%
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Autoranging
Manual range
Resolution

1

1
382357‐EU‐EN V2.4 2/13