- Intrinsically safe ohmmeter.
- The AMPTEC 620LK bonding ohmmeter is an affordable, highly accurate, and intrinsically safe electrical bond tester. This meter is capable of performing bond measurements on a variety of components and metal-to-metal connections. The 620LK has been independently UL-913 certified, ensuring quality and safety at each step of manufacturing. Due to its safety certifications and high level of accuracy, the 620LK meter is the choice bond tester for many commercial airliners, while its sibling the 620UK-B is in countless USAF programs.
Range 200 mΩ 2 Ω Nominal Current 100 mA 100 mA Resolution .01 mΩ .1 mΩ Accuracy ± .025% of reading & range ± .025% of reading & range Terminal Trident Display 4 1/2 digit LCD Update 1 reading per 3 seconds Power 4ea AA 1.5 VDC alkaline batteries Weight 3 lbs. Dimensions 7.69″ x 7.56″ x 3″ Max. Internal Voltage 5 VDC Open Circuit ~5 VDC Operating Temperature Range -20° to 50° C Storage Temperature Range -40° to 75° C Temperature Coefficient ± .0025% per 1° C Max. Input Voltage 250 VDC