... visible touch screen spectrophotometer 1.Single Beam 2.1-50mm cuvette 3.Visible Spectrophotometer 4.ISO,CE single beam uv visible touch screen ... one touch of a button.Four photometric modes: T,A,C,F, offer ease of use.LCD display is ... 500nm,0ABS,2nm spectral bandwidth, preheat for 2 hours)Display 31//2 LCD128×64 LCD128×64 LCDOperation modeManual wavelengthAuto wavelengthAuto ...