Glycerin-Chek Digital Handheld Refractometer, Used To Measure Concentration Of Antifreeze Formulation In Wet Fire Sprinkler Systems, Each

Details:

For precise measurement of glycerin coolant freeze point, boiling point and concentration percentagemeasuring scales: fahrenheit and celsiusautomatic temperature compensation provides immediate, accurate, direct readings at astm d3321 standardwith ip65 dustproof/water resistant ratingavailable with detachable neck lanyard and rubber side grips for easy handlingfor 10000 readingsavailable with auto-off sleep modecertificationsce markedcompliancerohs, and weee compliantwarranty and servicesone year (factory)