AEMC Models 4620 & 4630 Digital Ground Resistance
Contents
1. ground electrodes one set of five spaded lugs four 14 5 T shaped auxiliary ground electrodes one 30 ft lead green four 14 5 T shaped auxiliary 100 ft tape measurer and carrying bag one set of five spaded lugs 100 ft tape ground electrodes one set of five spaded lugs Catalog 2135 35 measurer and carrying bag 100 ft tape measurer and carrying bag Catalog 2135 36 Catalog 2135 37 ORDERING INFORMATION CATALOG NO Ground Resistance Tester Model 4620 4 Point Digital Battery Powered Cat 2130 43 Includes meter eight C cell batteries and user manual Ground Resistance Tester Model 4630 4 Point Digital Rechargeable Battery Cat 2130 44 Includes meter battery AC Power cord and user manual Ground Resistance Tester Model 4620 Kit 150 ft Model 4620 and Catalog 2135 35 Cat 2135 19 Ground Resistance Tester Model 4620 Kit 300 ft Model 4620 and Catalog 2135 36 Cat 2135 20 Ground Resistance Tester Model 4620 Kit 500 ft Model 4620 and Catalog 2135 37 Cat 2135 21 Ground Resistance Tester Model 4630 Kit 150 ft Model 4630 and Catalog 2135 35 Cat 2135 22 Ground Resistance Tester Model 4630 Kit 300 ft Model 4630 and Catalog 2135 36 Cat 2135 23 Ground Resistance Tester Model Kit 500 ft Model 4630 and Catalog 2135 37 Cat 2135 24 Accessories Optional 25Q Calibration Checker for Model 4620 and Model 4630 Cat 2130 59 Tape Measure 100 ft Cat 2130 60 Test Kit for 3 point testing Cat 21352. 28 Fax 33 1 46 27 73 89 info chauvin arnoux com www chauvin arnoux com 4620 amp 4630_213043 213044 pdf 04 08 Rev 03 INSTRUMENTS lechnical Assistance 800 343 1391 www aemc com 5o0f5
3. 35 Test Kit for 4 point testing Cat 2135 36 Test Kit for 4 point testing Cat 2135 37 Test Kit for 3 point testing Supplimental 4 point testing Cat 2135 38 Ground Rod set of 2 14 5 T Shaped Auxiliary Ground Electrodes Cat 2135 39 AE M c 4620 amp 4630_213043 213044 pdf 04 08 Rev 03 INSTRUMENTS lechnical Assistance 800 343 1391 www aemc com 4of 5 CJ AEMC INSTRUMENTS CHAUVIN ARNOUX GROUP Contact Us United States amp Canada Chauvin Arnoux Inc d b a AEMC Instruments 200 Foxborough Blvd Foxborough MA 02035 USA 508 698 2115 Fax 508 698 2118 www aemc com Customer Support for placing an order obtaining price amp delivery customerservice aemc com Sales Department for general sales information sales aemc com Repair and Calibration Service for information on repair amp calibration obtaining a user manual repair aemc com Technical and Product Application Support for technical and application support techinfo aemc com Webmaster for information regarding www aemc com webmaster aemc com South America Central America Mexico Caribbean Australia amp New Zealand Chauvin Arnoux Inc d b a AEMC Instruments 15 Faraday Drive Dover NH 03820 USA 978 526 7667 Fax 978 526 7605 export aemc com www aemc com All other countries Chauvin Arnoux SCA 190 rue Championnet 75876 Paris Cedex 18 France 33 1 44 85 45
4. mA mA Accuracy sd 2 of Reading 1ct 2 of Reading 1ct 2 of Reading 3cts Auxiliary Electrode Influence Max Res in Current Circuit 3kQ 30kQ 50KQ Max Res in Voltage Circuit 50KQ 50KQ 50KQ Rejects high levels of interference voltage DC 50 to 60Hz harmonics Interference DC voltage in series with X 20V AC voltage in series with Y 13V peak AC voltage in series with Z 32V peak Response Time Approximately 4 to 8 seconds for a stabilized measurement Withstanding Voltage 250Vac or 100Vpc Power Source 120 230V 50 60Hz Alkaline recommended Rechargeable 9 6V 3 5 Ah NiMH battery pack Battery Life 1800 15 second measurements LO BAT indication on LCD Fuse Protection 0 1A gt 250V 0 25 x 1 25 30kA Interrupt Capacity MECHANICAL 31 2 digit 0 71 18mm high 2000 counts electroluminescent blue backlight LCD also indicates overrange test lead shorts and lead reversals Color coded terminals accept spade lugs with min gap of 6mm or standard 4mm banana jacks Three LEDs indicate high input noise high auxiliary rod resistance open leads blown fuse 14 to 131 F 10 to 55 C 20 to 90 RH 40 to 158 F 40 to 70 C 10 to 90 RH with batteries removed 10 8 x 9 7 x 5 0 273 x 247 x 127mm 7 38 Ibs 3 35kg Heavy duty o ring sealed field case IEC 68 2 27 IEC 68 2 6 IEC 68 2 32 3kV 50 60Hz 1 min between four interconnected measuring terminals and any external metal ground O ring sealed
5. Digital Ground Resistance Tester Models 4620 amp 4630 Digital Ground Resistance Tester Models 4620 and 4630 perform both ground resistance and soil resistivity tests These testers measure from 0 to 2000Q and are auto ranging so they automatically seek out the optimum measurement range Easy to use simply connect the leads press to measure and read the results The large LCDs nearly 34 high characters are easy to read and also indicate low battery status overrange test lead shorts and lead reversals Three LED indicators on the front panel continuously warn the user of measurement problems to ensure accurate and reliable tests The Models 4620 and 4630 are fuse protected up to gt 250Vac against accidental connection to live circuits In the event of a system fault they can withstand 250Vac with spikes of up to 3000Vac or 1000VDc The heavy duty field case is sealed against dust and water when closed The meter itself is self contained within an inner case providing additional environmental and insulation protection The test button is also sealed against the elements The Model 4620 is powered by eight Alkaline C cell batteries The Model 4630 is powered by a 9 6V 3 5 Ah NiMH rechargeable battery pack A built in recharge circuit powered from 120 230V Q INSTRUMENTS lechnical Assistance 800 343 1391 50 60Hz line also provides for testing while recharging Both models will perform ove
6. against dust and water to IP50 Protection Index when case is closed LED Indication Operating Temperature Storage Temperature Mechanical Shock Vibration Test Drop Test Dielectric Test Environmental SAFETY EN 61010 1 Cat Ill Pollution Degree 2 Double Insulation O Yes CE Mark Yes AE M Pi 4620 amp 4630_213043 213044 pdf 04 08 Rev 03 Q INSTRUMENTS lechnical Assistance 800 343 1391 www aemc com Sof 5 Construction Large electroluminescent Low battery indicator backlit liquid crystal display AC power input maa gt 20 Z H Electrode terminal Fuse holder Y S Electrode terminal Xv ES AUTO CHECH Electrode ar X a mmo j Test terminal T i Erer button X E Electrode Fe a TEST l terminal wr a waar Xv Y E The Models 4620 and 4630 are built into a dou ev CIRCUIT resistance ble case This extra rugged construction provides AEMG a SEL bat and noise double insulation maximum field durability and X Z fault eee indicators ease of serviceability rane indicator ESZE AALi Test Kit for 3 Point testing includes two 150 ft Test Kit for 4 Point testing includes two 300 ft Test Kit for 4 Point testing includes two 500 ft color coded leads on spools red and blue color coded leads on spools red and blue color coded leads on spools red and blue one 30 ft lead green two 14 5 T shaped auxiliary two 100 ft color coded leads green and black two 100 ft color coded leads green and black
7. oint mea surements are generally used when the electrode or grid can be easily disconnected if corrosion is suspected or in circumstances where ground faults are unlikely to occur e Four Point tests or soil resistivity measurements Locating areas of lowest soil resistivity is essential for achieving an economical grounding installation Touch potential measurements an alternative to 3 Point tests in evaluating electrical safety This test is recommended when the ground cannot be disconnected where ground faults are highly likely to occur or when the footprint of grounded equipment the outline of the part of equipment in contact with the earth is comparable to the size of the ground to be tested INSTRUMENTS lechnical Assistance 800 343 1391 e Two Point tests for continuity tests on bonding or on pre established grounds This test is commonly performed in urban environments where proper auxiliary electrode placement may be obscured by confined real estate Measurements are referenced against a good local grounded circuit 4620 amp 4630_213043 213044 pdf 04 08 Rev 03 www aemce com 2of5 Specifications MODELS a A ELECTRICAL Ranges Auto Ranging 0 to 200002 2000 2000 0 00 to 19 992 20 0 to 199 90 200 to 1999Q Resolution 100M9 10 Open Voltage lt 42V peak lt 42V peak lt 42V peak Resistance Measurement 128Hz square wave 128Hz square wave 128Hz square wave Frequency Test Current OMA
8. r 2000 for the 15 second tests between recharging Model 4630 or battery replacement Model 4620 The Ground Resistance Tester Models 4620 and 4630 are rugged easy to use instruments ideal for maintenance crews performing numerous tests Both models exceed mechanical and safety specifications for shock vibration and drop tests called out in IEC standards They are designed to reject high levels of interference so they can be used under difficult conditions such as high stray currents that normally affect accuracy 4620 amp 4630_213043 213044 pdf 04 08 Rev 03 www aemc com 1of5 Features AEMC Measures soil resistivity 4 Point method Measures ground resistance 2 and 3 Point Fall of Potential method Step voltage tests and touch potential measurements Auto Ranging automatically selects the optimum resistance range Designed to reject high levels of noise and interference Extremely simple to operate connect press read LED on faceplate informs operator of high input noise high auxiliary rod resistance and fault connections Large easy to read backlit display Battery powered Model 4620 AC powered with rechargeable NiMH batteries Model 4630 Rugged dustproof and rainproof field case Can also be used for continuity tests on bonding Color coded terminals Double Insulation CE Mark Applications e Three Point measurements of resistance to ground of ground rods and grids Three P
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