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Extech 382357

Extech Instruments

Clamp-on Ground Resistance Tester

Non-contact measurements of ground conductors without need for auxiliary ground spikes


For order quantity more than 50, please feel free to request wholesale quotation

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  • Description
  • Key features
  • Specification
  • Technical data

Description

The 382357 is a Clamp-On Ground Resistance Tester that enables non-contact measurements of ground conductors. True RMS AC Leakage current range of 0.2mA to 30A with 1.000mA resolution. Programmable Datalogging with 116 data points. Performs without the need for auxiliary spikes. Complete with 9V battery, Resistance check plate and durable metal storage case.

Key features

  • Autoranging ground resistance measurements from 0.025Ohm to 1500Ohm with 0.002Ohm resolution
  • True RMS AC Leakage current range of 0.2mA to 30A with 1.000mA resolution
  • Programmable Datalogging with 116 data points
  • Programmable Hi/Lo Alarm
  • 0.9" (23mm) Jaw size for large ground rods

Specification

Specifications Range Resolution Accuracy (%rdg)
Ground Resistance 0.025 to 0.25Ω 0.002Ω ±(1.5% + 0.05 )
0.250 to 1.000Ω 0.02Ω ±(1.5% + 0.05 )
1.001 to 9.999Ω 0.02Ω ±(1.5% + 0.1 )
10.00 to 50.00Ω 0.04Ω ±(1.5% + 0.1 )
50.01 to 99.99Ω 0.04Ω ±(1.5% + 0.5 )
100.0 to 200.0Ω 0.4Ω ±(1.5% + 0.5 )
200.1 to 400.0Ω 2Ω ±(5.0% + 5 )
400.0 to 600.0Ω 5Ω ±(10% + 10 )
600.1 to 1500Ω 20Ω ±20%
AC Leakage Current (Trms) 0.300 to 1.000mA 0.001mA ±(2.0% ± 0.05mA)
1.00 to 10.00mA 0.01mA ±(2.0% ± 0.03mA)
10.0 to 100.0mA 0.1mA ±(2.0% ± 0.3mA)
100 to 1000mA 0.1mA ±(2.0% ± 0.3mA)
0.20 to 4.00A 0.01A ±(2.0% ± 0.03A)
4.00 to 30.00A 0.01A ±(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)

Technical data

Technical data

Datasheet [Click Here To Download]

User's Manual [Click Here To Download]