INESA WZB-F C1 Portable digital refractometer

INESA WZB-F C1 portable antifreeze refractometer is ergonomically designed, the material is environmentally friendly and durable, WZB-F C1 portable antifreeze refractometer range 32~ -50oF, propylene glycol range 32~ -50oF, battery liquid range 1.00~1.50sg, Glass water range 32~ -40oF.