... Meter, Tintometer, Automatic Polarimeter, Auto Melting Point Apparatus, Automatic Refractometer, Abbe Refractometer, PH/DDS/TDS Meter, Incubator, shaker, Hotplate, Mixer, PCR ... , Oven, etc. Digital Whiteness Meter AE-WSB-3Characteristics:1. Chemical & ... +/-10%Measuring Condition0/dd/0 Digital Whiteness Meter ( AE-WSB-3)