GROUND RESISTANCE TESTERS Digital Tester Models 4620 & 4630 Both models will perform over 2000 measurements for the 15 second tests between recharging or battery replacement SPECIFICATIONS MODELS 4620 4630 ELECTRICAL Range 20 200 2000 Measurement Range 0.00 to 19.99 20.0 to 199.9 200 to 1999 IP 65 Resolution 10m 100m 1 Rated Open Voltage 42V peak 42V peak 42V peak cover closed Resistance Measurement 128Hz square wave 128Hz square wave 128Hz square wave Frequency FEATURES Test Current 10mA 1mA 0.1mA 2% of Reading 2% of Reading 5% of Reading Accuracy Measures soil resistivity (4-P oint) 1ct 1ct 3cts Measures ground resistance (2- and Auxiliary Electrode Influence Max Res. in Current Circuit 3k 30k 50k 3-Point) Fall-of-Potential method Max Res. in Voltage Circuit 50k 50k 50k Step v oltage tests and touch potential Approximately four to eight seconds for a Response Time measurements stabilized measurement Withstanding Voltage 250Vac or 100Vdc Auto-Ranging: automatically selects Power Source Eight C cell batteries (included) 120/230V 50/60Hz the optimum resistance range and Alkaline recommended Rechargeable 9.6V, 3.5 Ah test current NiMH battery pack (included) Designed to reject high levels of noise Battery Life >2000 15-second measurements LO BAT indication on LCD and interference Fuse Protection 0.1A, >250V, 0.25 x 1.25 30kA Interrupt Capacity Extremely simple to oper ate: connect - press - hold - read PRODUCT INCLUDES LED on faceplate informs operator of high input noise, high auxiliary rod User manual and USB stick resistance and fault connections supplied with ground tester Large easy-to-read backlit display workbook. Battery powered (Model 4620) AC powered with rechargeable NiMH battery pack (Model 4630) Rugged dustproof and r ainproof field case Can also be used f or continuity tests on bonding Color-coded terminals Model 4630 Kit 500 ft shown Test Kit descriptions on next page CATALOG NO. DESCRIPTION 2130.43 Ground Resistance Tester Model 4620 (Digital, 4-Point, Battery Powered) 2130.44 Ground Resistance Tester Model 4630 (Digital, 4-Point, Rechargeable Battery) 2135.19 Ground Resistance Tester Model 4620 Kit 150 ft (Model 4620 and Catalog 2135.35) 2135.20 Ground Resistance Tester Model 4620 Kit 300 ft (Model 4620 and Catalog 2135.36) 2135.21 Ground Resistance Tester Model 4620 Kit 500 ft (Model 4620 and Catalog 2135.37) 2135.22 Ground Resistance Tester Model 4630 Kit 150 ft (Model 4630 and Catalog 2135.35) 2135.23 Ground Resistance Tester Model 4630 Kit 300 ft (Model 4630 and Catalog 2135.36) 2135.24 Ground Resistance Tester Model 4630 Kit 500 ft (Model 4630 and Catalog 2135.37) Accessories (Optional) 2130.60 Tape Measure (100 ft) 2135.35 Test Kit for 3-Point Testing 150 ft 2135.36 Test Kit for 4-Point Testing 300 ft 2135.37 Test Kit for 4-Point Testing 500 ft Ground Test Kit for 3-Point Testing (Supplemental for 4-Point testing includes two 100 ft color-coded 2135.38 leads, one 30 ft lead (green), two 14.5 T-shaped auxiliary ground electrodes and soft carrying bag) 2130.59 Calibration Checker 25 for Models 3620, 3640, 4500, 4610, 4620 and 4630 www.aemc.com Technical Assistance (800) 343-1391GROUND RESISGROUND RESISTANCE TESTANCE TESTERS TERS Typical DataView Functional Displays 2 Clamp Method Setup Fall-of-Potential, Step-Touch Potential Selective 3-Point Testing of Multiple Rods 4-Point Bonding For Very Low Resistance Bonding Soil Resistivity OPTIONAL KITS 150 ft Kit 300 ft Kit 500 ft Kit Catalog 2135.35 Catalog 2135.36 Catalog 2135.37 Test Kit for 3-Point Test Kit for 4-Point Test Kit for 4-Point testing includes testing includes testing includes carrying bag, carrying bag, two 150 ft carrying bag, two 300 two 500 ft color-coded leads on color-coded leads on spools (red/blue), two 5 ft color-coded leads on spools (red/blue), two spools (red/blue), two 5 ft color-coded leads ft color-coded leads (red/blue), one 30 ft lead 5 ft color-coded leads (red/blue), two 100 ft (red/blue), two 100 ft color-coded leads (green (green), two 14.5 T-shaped auxiliary ground color-coded leads (green and black), four 14.5 and black), one 30 ft lead (green), four 14.5 electrodes, one set of five spaded lugs and T-shaped auxiliary ground electrodes , one set T-shaped auxiliary ground electrodes, one set 100 ft tape measure. of five spaded lugs and 100 ft tape measure. of five spaded lugs and 100 ft tape measure. www.aemc.com Technical Assistance (800) 343-1391