The UT692 series handheld optical power meters are used to measure absolute optical power or relative loss of optical power through length of fiber optic wires. UT692 series are designed to be durable, the meters can withstand 2m drop and have a dust/water resistance rating of IP65. In addition, UT692’s other features include backlight display, flashlight, auto power off, wavelength storage/recall, user calibration, and ultra-wide optical power test range.   Models in UT692 Series: UT692D, UT692G