Engine Coolant And Battery Tester Refractometers

Reichert Duo-Chek Engine Coolant/Battery Tester (refractometer) now featuring an all black, polymer housing, which is impact resistant, water proof, and improves image quality. Also featuring a blue prism for improved scale and reading visibility. Accuracy in testing engine coolant is important to ensure adequate freeze and boil-over protection. Accurate coolant concentration...