General Eastern Instruments, Modus Division
June 2, 2002
The Hygromaster(tm) handheld hygrometer from General Eastern Instruments, Modus Division (Woburn, MA) is designed to measure rh, temperature, and dewpoint. Features include an LCD that indicates values in 0.1% increments and a removable four-point calibration Hygrostick(tm). An optional surface temperature probe is also available.