... Turbidity Meter, Colorimeter, Gloss Meter, Tintometer, Automatic Polarimeter, Auto Melting Point Apparatus, Automatic Refractometer, Abbe Refractometer, PH/DDS ... 1A is better than 30 times. Light Source System 2 lamps are powered simultaneously (one preheating)Lamp ... modeAutomatic curve fitting with 3~7 standards;Sensitivity auto-correctionResult printingMeasurement data, working curve, signal profile ...