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Extech 382357 Ground Resistance Clamp

Extech Instruments
main product photo
SKU
EXTE382357
Test earth resistance of multi-grounded systems without the use of auxiliary earth spikes. High resolution ground resistance clamp tester.
More Info
inc VAT £1,170.00 ex VAT £975.00
Typically ships in 7-10 working days
 

Product Details

Extech 382357 Ground Resistance Clamp

The Extech 382357 Ground Resistance Clamp is a high accuracy clamp-on device that allows users to measure ground resistance without the use of auxiliary ground spikes and without having to disconnect the ground under test.

This Earth Resistance Tester has a data logging function that enables up to 116 records to be stored and recalled when required. Suitable for use on multiple point grounded systems, the Extech 382357 is the perfect Clamp-On Ground Resistance Tester for verifying earth resistance of cellular transmission towers and telephone-electrical ground rods.

Extech 382357 Earth Resistance Clamp Tester Features:

  • Autoranging ground resistance measurements from 0.03 to 1500 with 0.002 resolution
  • True RMS AC Leakage current range of 0.2mA to 30.00A
  • Programmable datalogging with 116 data points
  • Programmable Hi/Lo alarm
  • 23mm Jaw size for large ground rods
  • Simplifies ground resistance measurements on multiple point ground systems
  • Auto power off
  • Verification resistors confirm accuracy of meter
  • Automatic Self Calibration when powered on
  • 9999 Count LCD display with Data Hold
  • Electrical Noise Detection feature prevents inaccurate readings
  • Data hold
What's In The Box?
  • 9V battery
  • Resistance Check Plate
  • Durable Metal Storage Case
More Information
Specification

Ground Resistance

Range (Ω) Resolution (Ω) Accuracy
0.025 to 0.25 0.002 ±(1.5% + 0.05Ω)
0.250 to 1.000 0.02 ±(1.5% + 0.05Ω)
1.001 to 9.999 0.02 ±(1.5% + 0.1Ω)
10.00 to 50.00 0.04 ±(1.5% + 0.1Ω)
50.01 to 99.99 0.04 ±(1.5% + 0.5Ω)
100.0 to 200.0
0.4
±(1.5% + 0.5Ω)
200.1 to 400.0 2 ±(5.0% + 5Ω)
400.0 to 600.0 5 ±(10% + 10Ω)
600.1 to 1500 20 ±20%

AC Leakage Current

Range Resolution Accuracy
0.300 to 1.00mA 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: 258 x 110 x 47mm
  • Weight: 700g