GROUND RESISTANCE TESTERS Analog/Digital Tester Models 3620 & 3640 Performs ground resistance measurement with speed and accuracy SPECIFICATIONS MODELS Types of Measurements Display Soil Resistivity Test Measurement Ranges IP 50 Rated * Measures ground resistance (2- and 3-Point) Fall-of-Potential method * Large analog display (Model 3620) * Large LCD digital display (Model 3640) 3640 2- and 3-Point Analog Digital No 0.5 to 1000 20: 0.00 to 19.99 200: 20.0 to 199 Resolution 10m 10m 100m 1 Test Current 10mA 10mA 1mA 0.1mA Open Voltage Operating Frequency Accuracy Interference FEATURES 3620 Power Source Battery Life Low Battery Indication Fuse Protection 2000: 200 to 1999 24V peak 42V peak 128Hz square wave 3% of Reading 3cts; 5% of Reading 0.1% scale length 5% of Reading 3cts All models reject high levels of interference voltage (DC, 50 to 60Hz, harmonics) Eight 1.5V AA batteries (included) Approx. 1680 Approx. 1800 15-second 15-second measurements measurements Yes High breaking capacity, 0.1A, >250V * Designed to reject high levels of noise and interference * Auto-Ranging: automatically selects the optimum range (Model 3640) * Battery powered * Extremely simple to operate: connect - press - hold - read * Error indicator lights * Rugged dustproof and rainproof case * Color-coded terminals and lead identification Model 3640 Kit - 300 ft shown Test Kit descriptions on next page CATALOG NO. DESCRIPTION 2114.90 2114.92 2135.10 2135.11 2135.13 2135.14 2130.59 Ground Resistance Tester Model 3620 (Analog, 3-Point) Ground Resistance Tester Model 3640 (Digital, 3-Point) Ground Resistance Tester Model 3620 Kit - 150 ft (Model 3620 and Catalog #2135.35) Ground Resistance Tester Model 3620 Kit - 300 ft (Model 3620 and Catalog #2135.36) Ground Resistance Tester Model 3640 Kit - 150 ft (Model 3640 and Catalog #2135.35) Ground Resistance Tester Model 3640 Kit - 300 ft (Model 3640 and Catalog #2135.36) Calibration Checker - 25 for Models 3620, 3640, 4620 and 4630 Technical Assistance (800) 343-1391 www.aemc.com 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