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Amprobe GP-2A
Catalog #: 4129187
Autoranging Ground Resistance and Resistivity Tester with Carry Case and Accessories

  • Overview
  • Specifications
  • Summary

Product Highlights

  • 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

Each Unit Includes

  • 1 - Users manual
  • 1 - batteries (installed)
  • 1 - set of connection cables
  • 4 - ground stakes
  • 1 - PC software
  • 1 - USB cable and carrying case

 

Feature Range Accuracy
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 ±(2.0% rdg + 2 LSD)
Additional Functions / Features
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
Electrical Specifications
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
General Specifications
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
Size (H x Wx L) Approximately 235 x 165 x 75 mm (9.25 x 6.50 x 2.95 in)
Weight Approximately 1 kg (2.2 lb) with batteries installed
Included Accessories Four ground stakes, test lead set, alligator clip set, USB cable, USB driver software, carrying case and users manual

 

Product Height 8.00 IN
Product Length 11.25 IN
Product Width 9.25 IN
HTS/Schedule B Number 8504.40.9580
ECCN Number EAR99
Country of Origin Italy
Shipping Height 8.00 IN
Shipping Length 11.25 IN
Shipping Width 9.25 IN
List price:   $2,190.21
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