EXTECH RF40 PORTABLE BATTERY COOLANT/GLYCOL REFRACTOMETER Good 👍

Portable Refractometer 0-32% Brix

EXTECH RF40 Portable Refractometer with Case

Portable Brix Refractometer with ATC, Accurate Dual Scale Meter...

Portable Handheld Alcohol Refractometer Tester 0-80% Refractometer ± 1% Accuracy

58~90% Honey Brix Refractometer Handheld Portable Refractometers with ATC

Antifreeze Refractometer 4-in-1 Coolant Refractometer Antifreeze Tester for

Portable Brix Refractometer with ATC, Accurate Dual Scale Meter...