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 ELECTRICAL 4620 Range Measurement Range Resolution Open Voltage Resistance Measurement Frequency Test Current Accuracy Auxiliary Electrode Influence Max Res. in Current Circuit Max Res. in Voltage Circuit Response Time Withstanding Voltage Power Source Battery Life Fuse Protection 20 0.00 to 19.99 10m 42V peak 4630 200 20.0 to 199.9 100m 42V peak 2000 200 to 1999 1 42V peak 128Hz square wave 128Hz square wave 128Hz square wave 10mA 2% of Reading 1ct 1mA 2% of Reading 1ct 0.1mA 5% of Reading 3cts 50k 30k 3k 50k 50k 50k Approximately four to eight seconds for a stabilized measurement 250Vac or 100Vdc Eight C cell batteries (included); 120/230V 50/60Hz Alkaline recommended Rechargeable 9.6V, 3.5 Ah NiMH battery pack (included) >2000 15-second measurements; LO BAT indication on LCD 0.1A, >250V, 0.25 x 1.25"; 30kA Interrupt Capacity PRODUCT INCLUDES User manual and USB stick supplied with ground tester workbook. Model 4630 Kit - 500 ft shown Test Kit descriptions on next page CATALOG NO. IP 65 Rated cover closed FEATURES * M easures soil resistivity (4-Point) * 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 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 * Large easy-to-read backlit display * Battery powered (Model 4620) * AC powered with rechargeable NiMH battery pack (Model 4630) * Rugged dustproof and rainproof field case * Can also be used for continuity tests on bonding * Color-coded terminals 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 Technical Assistance (800) 343-1391 GROUND GROUND RESISTANCE RESISTANCE TESTERS TESTERS Typical DataView(R) 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 Test Kit for 3-Point testing includes carrying bag, two 150 ft color-coded leads on spools (red/blue), two 5 ft color-coded leads (red/blue), one 30 ft lead (green), two 14.5" T-shaped auxiliary ground electrodes, one set of five spaded lugs and 100 ft tape measure. Catalog #2135.36 Test Kit for 4-Point testing includes carrying bag, two 300 ft color-coded leads on spools (red/blue), two 5 ft color-coded leads (red/blue), two 100 ft color-coded leads (green and black), four 14.5" T-shaped auxiliary ground e lectrodes, one set of five spaded lugs and 100 ft tape measure. Catalog #2135.37 Test Kit for 4-Point testing includes carrying bag, two 500 ft color-coded leads on spools (red/blue), two 5 ft color-coded leads (red/blue), two 100 ft color-coded leads (green and black), one 30 ft lead (green), four 14.5" T-shaped auxiliary ground electrodes, one set of five spaded lugs and 100 ft tape m easure. Technical Assistance (800) 343-1391