Heathrow Scientific Digital Urea (Def)/Battery Acid Refractometer

This digital urea (DEF) and battery acid refractometer has 3 scales. It measures urea (DEF), refractive index, and battery acid. Its used to ensure compliance with remissions for diesel fuel powered vehicles. This unit will also monitor the strength of battery acid and specific gravity. Common applications for this refractometer include the trucking industry, farm/agriculture equipment, construction equipment, and other vehicles that use diesel fuel.