... Portable Digital RefractometerIntroduction&Specifications: WZB WN1 Salinity and Brix RefractometerThe digital display high precision optical refractometers adopted ... respectively used for test the Refractive index, BaiLi degrees brix,, salinity, alcohol, can be changed, corresponding alcohol, ... 1oC±1oCWZB C3Glycol0~80%0.10%±0.3%Propanediol0~70%0.10%±0.3% Digital Refractometer For Oe (Oe Switzerland ...