The battery-powered Model 1750/BAT micro-Ohm meter embarks as a replacement for the Keithley 580 for testing electrical and mechanical bonds in aerospace apps. Capable of running all day on its li-ion battery pack, recharge time is eight hours with an input voltage from 90 to 250 Vac, 50 Hz to 400 Hz. Measurement ranges span 2 mΩ to 20 MΩ with a resolution down to 100 nΩ. The meter automatically corrects for offset errors and a range of probes are available. TEGAM INC., Geneva, OH. (440) 466-6100.