OPTi digital refractometer - AdBlue® / Antifreeze

Regular price £235.00 Sale

This dual scale refractometer is great for car mechanics and fleet managers wishing to check the concentration of Diesel Exhaust Fluids (commonly known as DEF or AdBlue®) that form part of a NOx reduction system in diesel powered vehicles.

This particular OPTi digital refractometer not only displays % DEF but also comes with a scale for measuring °C Ethylene Glycol, ideal for measuring automotive coolants such as Antifreeze.

OPTi refractometers are Made in the UK using stainless steel injection moulding to construct easy clean prism dish. Learn more about the OPTi digital handheld refractometer here.


Prod code: 38-65
Range: 0-40 / 0 to -50
Scale: %DEF / °C (Ethylene Glycol)


Frequently bought with OPTi

AG 40 calibration fluid - £39.99

AG Fluids are aqueous solutions that cover the range 1.33-1.40 RI (0-40 °Brix equivalent) and have a shelf life of 12-months. Add to your order for free shipping within the UK.