DongRu DR81 Transmittance meter

Measurement range of DONGRU DR81 Transmittance meter 0.0-99%, the thickness of the measured object cannot exceed 18mm, Measurement accuracy ≤ 2%, Environmental temperature 0 ℃ -40 ℃, Relative Humidity does not exceed 85%, measurement object area cannot be less than 10mm * 10mm, resolution 0.1%.