1.Digital Whiteness Meter; 2.Warranty:ISO; 3.Payment:100%T/T in ... Abbe Refractometer, PH/DDS/TDS Meter, Incubator, shaker, Hotplate, Mixer, PCR, Oven, etc.Digital Whiteness Meter Model:AE-WSB-3ACharacteristics:1. ... Range0~120Measurement SystemR457 Blue Light WhitenessAccuracy0.01Zero Draft≤±0.1Stability0.2/10minRepeatabilityC Power Supply220V+/-10%Measuring Condition0/dd/0 Digital Whiteness Meter