... Vis Spectrophotometer, Visible Spectrophotometer, Flame Photometer, Whiteness Meter, Turbidity Meter, Colorimeter, Gloss Meter, Tintometer, Automatic Polarimeter, Auto Melting Point Apparatus, ... current cycling: keep temperature continuous and stable, The wind speed can be adjusted, with fan switch function,ensure perfect ... 680790*760*680890*860*780 Oven Thermostat Digital (Passed ISO 9001 RT+5~250)