Amprobe GP-2A Ground Resistance Resistivity Tester

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Branch: Industrial Grade

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Model: Amprobe GP-2A Ground Resistance Resistivity Tester

Poor grounding is dangerous and contributes to unnecessary downtime and increases the risk of equipment failure. The Amprobe GP-2A Ground Resistance Resistivity Tester provides accurate and honorable measurements for field resistance and soil resistivity to assure the safety and produce an effect of an electrical system. The GP-2A is hermetically sealed once PC software that allows the adherent to download vital recorded measurements and to make professional reports for customers.

Features

Key Features: Amprobe GP-2A Ground Resistance Resistivity Tester

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

Specifications

Specifications: Amprobe GP-2A Ground Resistance Resistivity Tester

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	±(2.5% 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 W x 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
Warranty	One year