www.Amprobe.com
GP-2A
Earth Ground
Resistance Tester
Ensures safety and performance
Poor grounding is dangerous and contributes to unnecessary downtime
and increases the risk of equipment failure. The Amprobe GP-2A Earth
Ground Tester provides accurate and reliable measurements for ground
resistance and soil resistivity to assure 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.
• Measures earth ground resistance -
3 point (fall of potential) or 2 point tests
• Automatically calculates resistivity -
4 point test
• Automatic voltage readings prevents false
measurements
• Test leads, auxiliary electrodes and software
(available on the website) are included
• Autoranging
• Measurement data storage up to 999 readings
• USB download capabilities with PC software
available at www.Amprobe.com
GP-2A DETAILED SPECIfICATIonS
Feature
Ground Resistance
(2 and 3-wire method)
Ground Resistivity (4-wire)
Voltage Measurement
Range
0.01
Ω
– 19.99
Ω
/ 199.9
Ω
/ 1999
Ω
19.99 kΩ / 49.9 kΩ
0.06
Ωm
– 19.99
Ωm
/ 199.9
Ωm
/ 1999
Ωm
19.99 kΩm / 199.9 kΩm / 314 kΩm
0 V – 460V
Accuracy
±(2.5% rdg + 2 LSD)
±(2.5% rdg + 2 LSD)
±(2.0% rdg + 2 LSD)
Additional Functions / Features
Ranging
Noise Voltage Detection
Display Backlight
Data Storage
PC Connection
Auto Power Off
Low Battery Indication
Auto
Yes
Yes
up to 999 readings
Yes
Yes
Yes
For more detailed specifications see instruction manual.
©2012 Amprobe. All rights reserved.
For detailed specifications and ordering info go to
www.amprobe.com
4130062 B
www.Amprobe.com
GP-2A DETAILED SPECIfICATIonS
Electrical Specifications
Resistance Measurement
Open circuit voltage
≤
25 Vrms
Test current
≤
12 mA
Measuring Frequency 77.5 Hz ± 1 Hz
3- and 2-wire earth resistance measurement: 0.08
Ω
– 49.9 kΩ
Earth resistivity (4-wire): 0.50
Ωm
– 314 kΩm
Influence factor
E1 Position
Maximum Deviations
E2 Supply voltage
E3 Temperature
E4 Serial interference voltage
E5 Probe and auxiliary probe resistance
Electromagnetic Compatibility
Complies with IEC/EN 61326
Deviation influence
0.3%
0.1%
0.1%
0.4%
0.9%
Measuring Range
General Specifications
Measuring Function
Display
Operating Altitude
Operating Temperature
Storage Temperature
Humidity
(without condensation)
Power Supply
Battery Life
Auto Power Off
Overvoltage Category
Safety
EMC
Size (H x W x L)
Weight
Included Accessories
Earth ground resistance – 3 point (fall of potential) or 2 point tests
Earth resistivity – 4 point test
Noise voltage
LCD with backlight, visible area 73 x 65 mm
≤
2000 meters
0 °C to +40 °C (32 °F to 104 °F)
-10 °C to +60 °C (14 °F to 140 °F)
<80%
Six 1.5V batteries AA R6 MN1500 or six 1.2V AA R6 Ni-MH 2100mA rechargeable batteries
Approximately 500 tests
3 minutes
CAT III 240V safety rated (phase to earth), maximum 415V between inputs
IEC/EN 61010-1, CAT III 240 V, pollution degree 2
IEC/EN 61010-031 for test lead accessories
IEC/EN 61557-1/-5
IEC/EN 61326
Approximately 235 x 165 x 75 mm (9.25 x 6.50 x 2.95 in)
Approximately 1 kg (2.2 lb) with batteries installed
Four ground stakes, test lead set, alligator clip set, USB cable, USB driver software, carrying case and users manual
For complete specs please download the product datasheet and the product manual on www.Amprobe.com.
Amprobe
info@amprobe.com
Everett, WA 98203
Tel: 877-AMPROBE (267-7623)
©2012 Amprobe All rights reserved.
Amprobe Europe
In den Engematten 14,
79286 Glottertal, Germany
Tel.: +49 (0) 7684 8009 - 0
For detailed specifications and ordering info go to
www.amprobe.com
4130062 B
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