Handheld UV radiometer dual channel automated portable illuminance meter

Handheld UV radiometer dual channel automated portable illuminance meter $r $n This instrument is suitable for UV irradiance measurement in fields such as photochemistry, polymer material aging, non-destructive testing, UV light sources, plant cultivation, and large-scale integrated circuit lithography. The spectral and angular characteristics of $r $n have been strictly calibrated. $r $n digital LCD display with backlight $r $n manual/automatic range switching * digital output interface (USB, redundant power supply) $r $n low battery reminder $r $n automatic delayed shutdown $r $n with digital hold * touch button operation, buzzer prompt