Amprobe GP-2A Ground Resistance Resistivity Tester
Amprobe GP-2A Ground Resistance Resistivity Tester Display Gallery Item 1
Amprobe GP-2A Ground Resistance Resistivity Tester - 2 Display Gallery Item 2
Amprobe GP-2A Ground Resistance Resistivity Tester - 3 Display Gallery Item 3

Amprobe GP-2A Ground Resistance Resistivity Tester Available Now

By: Amprobe

Model: 4129187

Sku: P3NLAK4TAJ

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  • Measures earth ground resistance – 3 point (fall of potential) or 2 point tests
  • Automatically calculates resistivity – 4 point test
  • Automatic voltage measurement prevents false measurements
  • Automatically applies three testing frequencies for the most accurate readings
  • Test leads, auxiliary electrodes and software are included for complete instrument
  • Autoranging
  • 999 internal memory locations to store measurements
  • RS-232 download to a personal computer
  • Ground resistance (2 and 3-wire method): 0.01 Ω – 19.99 Ω / 199.9 Ω / 1999 Ω 19.99 kΩ / 49.9 kΩ, ±(2.5% rdg + 2 LSD)
  • Ground Resistivity (4-wire): 0.06 Ωm – 19.99 Ωm / 199.9 Ωm / 1999 Ωm 19.99 kΩm / 199.9 kΩm / 314 kΩm , ±(2.5% rdg + 2 LSD)
  • Voltage Measurement: 0 V – 460V, ±(2.5% rdg + 2 LSD)
  • Ranging: Auto
  • Noise Voltage Detection: Yes
  • Display Backlight: Yes
  • Data Storage: up to 999 readings
  • PC Connection: Yes
  • Auto Power Off: Yes
  • Low Battery Indication: Yes
  • Resistance Measurement: Open circuit voltage ≤ 25 Vrms, Test current ≤12 mA, Measuring Frequency 77.5 Hz ± 1 Hz
  • Measuring Range: 3- and 2-wire earth resistance measurement: 0.08 Ω – 49.9 kΩ, Earth resistivity (4-wire): 0.50 Ωm – 314 kΩm
  • Maximum Deviations: Influence factor: Deviation influence/ E1 Position: 0.3%/ E2 Supply voltage: 0.1%/ E3 Temperature: 0.1%/ E4 Serial interference voltage: 0.4%/ E5 Probe and auxiliary probe resistance: 0.9%
  • Electromagnetic Compatibility: Complies with IEC/EN 61326
  • Measuring Function: Earth ground resistance – 3 point (fall of potential) or 2 point tests, Earth resistivity – 4 point test, Noise voltage
  • Display: LCD with backlight, visible area 73 x 65 mm
  • Operating Altitude: ≤ 2000 meters
  • Operating Temperature: 0 °C to +40 °C (32 °F to 104 °F)
  • Storage Temperature: -10 °C to +60 °C (14 °F to 140 °F)
  • Humidity (without condensation): <80%
  • Power Supply: Six 1.5V batteries AA R6 MN1500 or six 1.2V AA R6 Ni-MH 2100mA rechargeable batteries
  • Battery Life: Approximately 500 tests
  • Auto Power Off: 3 minutes
  • Overvoltage Category: CAT III 240V safety rated (phase to earth), maximum 415V between inputs
  • Safety: IEC/EN 61010-1, CAT III 240 V, pollution degree 2, IEC/EN 61010-031 for test lead accessories, IEC/EN 61557-1/-5
  • EMC: IEC/EN 61326
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Poor grounding is dangerous and contributes to unnecessary downtime and increases the risk of equipment failure. The Amprobe GP-2A Earth Ground Resistance Tester provides accurate and reliable measurements for ground resistance and soil resistivity to assure the safety and performance of an electrical system. The GP-2A is complete with PC software that allows the user to download critical recorded measurements and to create professional reports for customers.

In the Box

  • Amprobe GP-2A Ground Resistance Resistivity Tester
  • Batteries (Installed)
  • Connection Cables
  • 4 Ground Stakes
  • PC Software
  • USB Cable
  • Carrying Case