ATC Handheld Portable Refractometer

6" ATC Specific Gravity Coolant Optical Tester Battery Antifreeze Refractometer

Coolant Tester Antifreeze Refractometer Acid Freezing Point Meter Model Z9T7

Extech -RF 40 Portable Battery Coolant/ GLY. Refractometer W/ATC (‘F)

Clinical Refractometer with ATC

SMARTSENSOR LCD Digital Refractometer Brix Meter Fruit Juice Beverage ATC Sugar

ATC Refractometer Antifreeze Coolant Tester Battery Tester Refractometer

Handheld For Beekeepers Tester With ATC Water Sugar Content Honey Refractometer