The ORA Series of Handheld Analogue Refractometers from Kern. Designed to be easy to use and maintenance free.
Featuring multiple selectable scales, manually calculated conversions and errors of the user are avoided.
The scales are specially developed, exactly calculated and checked. They are also characterized by their thin and clear lines.
The prism cover and optical system are made from a special material. Allowing for low-tolerance measuring.
All Kern ORA models are equipped with an eyepiece. Making an easy and smooth setting for many different dioptre strengths.

ATC models feature automatic temperature compensation
Die-cast copper-aluminium alloy housing with a chrome coating
Refractometers designed for either sugar, salt, industrial/automotive or expert applications

Calibration liquid
Calibration block
Storage box
Pipette
Small screwdriver
Cleaning tissue