1.Digital Whiteness Meter; 2.Warranty:ISO; 3.Payment:100%T/T ... Point Apparatus, Automatic Refractometer, Abbe Refractometer, PH/DDS/TDS Meter, Incubator, shaker, Hotplate, Mixer, PCR, Oven, etc. Digital Whiteness Meter AE-WSB-3Characteristics:1 ... ≤±0.1Stability0.2/10minRepeatabilityCPower Supply220V+/-10%Measuring Condition0/dd/0 Digital Whiteness Meter ( AE-WSB-3)