Analog Abbe refractometer AR4
- Manufacturer: Kruss Optronic
- Model: AR4
-
-
Digital Abbe refractometer AR2008
- Manufacturer: Kruss Optronic
- Model: AR2008
-
Handheld Refractometers
- Manufacturer: Kruss Optronic
- Model: HR-Models
-
Digital Abbe refractometer AR2008
- Manufacturer: Kruss Optronic
- Model: AR2008
-
Digital handheld refractometers
- Manufacturer: Kruss Optronic
- Model: DR101-60, DR201-95, DR301-95
-
Digital refractometer (without internal temperature control)
- Manufacturer: Kruss Optronic
- Model: DR6000