AEMC 3640 Ground Resistance Tester[Jan. 30, 2012 3:32:44]
Specification
The Digital Ground Resistance Tester Model 3640 performs ground resistance measurement. This direct reading tester measures from 10M© to 1999© , and is auto-ranging, so it automatically seeks out the optimum measurement range. The Model 3640 is easy to use - simply connect the leads, press to measure, and read. The large LCD ( nearly 3/ 4 " high) also indicates low battery status, overrange, and lead reversals.
The Model 3640 comes with 3 color coded terminals to aid in easy hookup. Three LED indicators on the front panel continuously warn the user of measurement problems to ensure accurate and reliable tests. The Model 3640 is fuse protected up to 250VAC.
Features:
Fall-of-Potential method
Measures ground resistance ( 2- and 3-Point)
Autoranging: automatically selects the optimum 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
Battery powered
Rugged dustproof and rainproof field case
Color-coded terminals
May be used for continuity tests on bonding
Includes soft carrying case, batteries, and manual
Specifications:
Measurement Range: Range: 0.00 to 19.99© / 20.00 to 199.9© / 200.0 to 1999© . Measurement Range: 20© / 200© / 2000© . Resolution: 10m© / 100m© / 1© . Test Current: 10mA / 1mA / 0.1mA. Accuracy in % of Reading: 2% Reading ± 1 ct / 3% Reading ± 3 cts. Accuracy Reference Conditions: 23° C ± 3K, 50% RH ± 10% , battery at 8V ± 0.2V, externa; magnetic field
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