New Automatic Power Switching external power supply as well as internal battery 120/220 volts 50-60 Hz

Nickel Cadmium rechargeable battery

Fully Instrumented - to eliminate human error Detects presence of free water within 1.5 ppm Test completed in less than 2 minutes

Portable - light weight - 8 pounds

Permanent fluorescing standard Can be recalibrated in the field

NSN# 6635-00-244-9478