Extech 382357 Clamp-On Ground Resistance Tester (0.025Ω to 1500Ω) with True RMS Leakage Current
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Extech 382357 Clamp-On Ground Resistance Tester (0.025Ω to 1500Ω) with True RMS Leakage Current

Extech 382357 Clamp-On Ground Resistance Tester (0.025Ω to 1500Ω) with True RMS Leakage Current

EXTECH
filler
Price:
5,520.00 SR (Including VAT)
4,800.00 SR (Excluding VAT)
Stock:
Sold out

Description

The Extech 382357 is a professional clamp-on ground resistance tester designed for fast, non-invasive measurement of grounding systems without disconnecting conductors or using auxiliary ground spikes. Ideal for telecom towers, power substations, and multi-point grounding systems, it measures ground resistance from 0.025Ω to 1500Ω and True RMS AC leakage current from 0.2mA to 30A. Features include 9999-count LCD, programmable Hi/Lo alarms, 116-point datalogging, auto self-calibration, and electrical noise detection to ensure measurement integrity.
  • Measures ground resistance from 0.025Ω to 1500Ω without auxiliary spikes
  • True RMS AC leakage current measurement: 0.2mA to 30.00A
  • Programmable datalogging (116 data points) with timestamp
  • Programmable Hi/Lo alarm thresholds for pass/fail testing
  • 0.9” (23mm) jaw opening fits large ground rods and conductors
  • Automatic Self-Calibration at power-on for accuracy assurance
  • Electrical Noise Detection alerts user to prevent false readings
  • 9999-count backlit LCD with Data Hold function
  • Includes verification resistance plate for field accuracy checks
  • Auto Power Off and durable metal storage case included





Ground Resistance 0.025 – 0.25 0.002 ±(1.5% + 0.05) Ω

0.250 – 1.000 0.02 ±(1.5% + 0.05) Ω

1.001 – 9.999 0.02 ±(1.5% + 0.1) Ω

10.00 – 50.00 0.04 ±(1.5% + 0.1) Ω

50.01 – 99.99 0.04 ±(1.5% + 0.5) Ω

100.0 – 200.0 0.4 ±(1.5% + 0.5) Ω

200.1 – 400.0 2 ±(5.0% + 5) Ω

400.0 – 600.0 5 ±(10% + 10) Ω

600.1 – 1500 20 ±20% Ω
AC Leakage Current (True RMS) 0.300 – 1.000 0.001mA ±(2.0% ± 0.05mA) mA

1.00 – 10.00 0.01mA ±(2.0% ± 0.03mA) mA

10.0 – 100.0 0.1mA ±(2.0% ± 0.3mA) mA

100 – 1000 0.1mA ±(2.0% ± 0.3mA) mA

0.20 – 4.00 0.01A ±(2.0% ± 0.03A) A

4.00 – 30.00 0.01A ±(3.0% ± 0.03A) A
Test Frequency 1.667 — — kHz
Display 9999-count LCD — — —
Jaw Opening 0.9 — — in (23mm)
Dimensions 10.2 x 4.4 x 1.9 — — in (258x110x47mm)
Weight 24.7 — — oz (700g)

Extech 382357 Datasheet

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