Classic refractometers for solids and liquids. With integrated digital thermometer. Optionally they can be combined with a thermostat.
-Scales can be adjusted manually using the drive knob

• Measured value can be read via an eyepiece
• Temperature is shown on the LCD display
• Optionally: In combination with the circulation thermostat PT31 the temperature can be maintained at 20 °C or 25 °C