Extech 382357 Clamp-on Ground Resistance Tester

SKU
382357
Manufacturer:
Extech

Key Features:

  • Ground resistance measurements down to 0.025with 0.002Ohms maximum resolution
  • True RMS AC Leakage current range of 0.2mA to 30A with 1.000mA maximum resolution
  • Programmable Datalogging with 116 data points
  • Programmable Hi/Lo Alarm
  • 0.9" Jaw Size for Large Ground Rods
  • Simplifies ground resistance measurements on multiple point ground systems
  • Verification resistors confirm accuracy of meter
  • Automatic Self Calibration when powered on
  • 9999 Count High Contrast LCD Display
  • Electrical Noise Detection feature prevents inaccurate readings
  • Data Hold and Continuity Beeper
  • Complete with 9V battery, Resistance check plate and carrying case
Product Options:
$1,468.95

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The Extech 382357 allows non-contact measurement of ground conductors without the need for auxiliary ground spikes.
  Range Resolution Accuracy (%rdg)
Ground Resistance 0.025 to 0.25
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
0.002
0.02
0.02
0.04
0.04
0.4
2
5
20
±(1.5% + 0.05 )
±(1.5% + 0.05 )
±(1.5% + 0.1 )
±(1.5% + 0.1 )
±(1.5% + 0.5 )
±(1.5% + 0.5 )
±(5.0% + 5 )
±(10% + 10 )
±20%
AC Leakage Current (Trms) 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
0.001mA
0.01mA
0.1mA
0.1mA
0.01A
0.01A
±(2.0% ± 0.05mA)
±(2.0% ± 0.03mA)
±(2.0% ± 0.3mA)
±(2.0% ± 0.3mA)
±(2.0% ± 0.03A)
±(3.0% ± 0.03A)
Resistance Test Frequency 1.667kHz    
Dimensions 10.2 x 4.4 x 1.9" (258 x 110 x 47mm)
Weight 24.7oz (700g)
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