• Accurately measures the strength of battery fluid, screenwash, antifreeze and AdBlue® by measuring the refractive index of light passing through the mixture.
• Suitable for synthetic antifreeze mixtures including long-life OAT (Organic Acid Technology), G13 and aqueous/urea content of AdBlue®.
• Temperature corrected prism ensures accuracy.
• Eyepiece with adjustable focus.
• Simple calibration check using distilled water.
• Supplied with pipette and storage case.