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AEMC Ground Resistance Tester Model 4630

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Price: From $1,545.00 to $2,295.00
Manufacturer: AEMC

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Ground Resistance Tester Model 4630

The Digital Ground Resistance Tester Model 4630 performs ground resistance and soil resistivity tests. This direct reading tester measures from 0 to 2000Ω, and is auto-ranging, so it automatically seeks outs the optimum measurement range. The Model 4630 is rugged, easy-to-use and is ideal for maintenance crews performing numerous tests. It exceeds mechanical and safety specifications for shock, vibration and drop tests specified in IEC standards. It is designed to reject high levels of interference, so it can be used under difficult conditions such as high stray currents that normally affect accuracy. The Model 4630 is powered by 9.6V, 3.5 Ah NiMH rechargeable batteries. A built-in recharge circuit, powered from 120/230V 50/60Hz line, also provides for testing while recharging.

Model Description: 

Model 4630 - Cat. #2130.44: (Ground Resistance Tester Model 4630 only), Includes a soft-side carrying bag, rechargeable battery, AC power cord and a user manual.

Model 4630 Kit (150 ft) - Cat .#2135.22: (Ground Resistance Tester Model 4630 and Test Kit for 3-Point Testing) Includes: carrying bag, [2] 150 ft color-coded leads on spools (red/blue), [1] 30 ft lead (green), [2] 5 ft color-coded leads (red/blue), [2] 14.5" T-shaped auxiliary ground electrodes, [1] set of five spaded lugs, [1] 100 ft tape measure and a user manual.

Model 4630 Kit (300 ft) - Cat. #2135.23:  (Ground Resistance Tester Model 4630 and Test Kit for 4-Point Testing) Includes: carrying bag, [2] 300 ft color-coded leads on spools (red/blue), [2] 100 ft color-coded leads (hand-tied) (green/black), [2] 5 ft color-coded leads (red/blue), [4] 14.5" T-shaped auxiliary ground electrodes, [1] set of five spaded lugs, [1] 100 ft tape measure and a user manual.

Model 4630 Kit (500 ft) - Cat. #2135.24: (Ground Resistance Tester Model 4630 and Test Kit for 4-Point Testing)  Includes carrying bag, [2] 500 ft color-coded leads on spools (red/blue), [2] 100 ft color-coded leads (hand-tied) (green/black), [1] 30 ft lead (green), [2] 5 ft color-coded leads (red/blue), [4] 14.5" T-shaped auxiliary ground electrodes, [1] set of five spaded lugs, [1] 100 ft tape measure and a user manual.


Product Features:
  • Ground Resistance Tester with 9.6V NiMH Rechargeable Battery Pack; 120/230V 50/60Hz
  • Ground Integrity Measurement
  • Measures soil resistivity (4-Point)
  • Uses Fall-of-Potential method to measure ground resistance (2- and 3-Point)
  • Step voltage tests and touch potential measurements
  • Auto-Ranging: automatically selects the optimum resistance range and test current
  • Designed to reject high levels of noise and interference
  • Extremely simple to operate: connect - press - hold - read
  • LED on faceplate informs operator of high input noise, high auxiliary rod resistance and fault connections
  • Constructed with rugged dustproof and rainproof case
  • Color-coded terminals aid in easy hookup
  • Suitable for continuity tests on bonding
Applications:
  • Measure ground rod and grid resistance
  • Measure resistance and continuity of grounding loops around transformer pads and buildings
  • Measure leakage current flowing to ground or circulating in ground loops
  • Conduct quick field checks
  • Conduct field surveys and retrieve and analyze readings from stored data
  • Measure earth resistance of the single rod or small ground grids often found in remote telecommunication switching stations
  • Measure ground electrode resistance on lightning protection equipment
  • Measure the earth electrode resistance of equipment in recreational areas, especially public swimming pools
  • Test electrode resistance of installed ground rods and grids at new construction sites before utility power is supplied
  • Test earth electrode resistance of grounded towers and counterpoises at cellular phone remote installations and power transmission towers
  • Three-Point measurement of large grounding grids, counterpoises, ground mats, and grounded equipment
  • Locate areas of lowest soil resistivity which is essential for achieving an economical grounding installation
Included:

  • 1 - Rechargeable battery
  • 1 - AC power cord and USB stick with ground tester workbook and a user manual
Range (Auto-ranging) 0 to 2000Ω
Resolution 0.01 to 1Ω
Test Current 0.1 to 10mA
Accuracy  Typical ±(2% Reading +1ct)
Open Voltage 42V peak
Withstanding Voltage 250VAC or 100VDC
Operating Frequency 128Hz square wave
Interference Rejection to high levels of interference voltage (DC, 50/60Hz, harmonics)
Maximum Auxiliary Rod Resistance Current Circuit:
3kΩ @ 20Ω range
30kΩ @ 200Ω range
50kΩ @ 2000Ω range
Voltage Circuit:
50kΩ on all ranges
Response Time 4 to 8 seconds for a stabilized measurement
Display 200 counts, 7 segment LCD, backlight
Power Source 9.6V NiMH rechargeable battery pack; 120/230V 50/60Hz
Battery Life 4500 15-seconds tests, low battery indicator
Dimensions 10.8 x 9.7 x 5.0” (273 x 247 x 127mm)
Weight (with Battery) 7.38 lbs (3.35kg)
Operating Temperature 14° to 131°F (-10° to 55°C)
Storage Temperature -40° to 158°F (-40° to 70°C)
Relative Humidity Up to 90%
Ingress Protection (IP) IP 65 (closed); IP 63 (open)
EMC EN 61326-1
Safety Compliance EN 61557, EN 61010-1, 30V CAT III, Pollution Degree 2