Anton Paar SmartRef - Performing Measurement and Cleaning; Measurement Execution Steps; Zero Adjustment and Sample Contamination; Routine Cleaning Procedures

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CAUTION!
Handling samples with temperatures of more than 50 °C (122 °F) bears the risk of burns. Wear appropriate protective clothing
or take other protective measures when you handle hot samples.
PERFORMING A MEASUREMENT
 Properly clean the prism surface and the surrounding sample well.
 Apply the sample on the measuring surface using a plastic pipette or plastic syringe until the sample well is lled up to the
marked height.
 Start measurement via the app.
 The app displays the result of the measurement.
TIP
If errors occur during the measurement process the app will provide respective information.
It is recommended to perform a zero-adjustment daily before measuring (see 9.2) and if changes in ambient conditions have
occurred.
If the sample has a signicant different temperature compared to the device or the device temperature differs signicantly
from the ambient temperature allow the sample temperature to equilibrate for a short time (approximately 1 minute).
In between measurements of different samples make sure to clean the prism surface and the sample well properly and dry it
prior to the subsequent measurement to avoid cross contamination.
After a certain time of inactivity (duration selectable via the app) the device will shut of automatically.
CLEANING AND STORING THE DEVICE
CLEANING ROUTINE AND CLEANING AGENTS
After each sample measurement with the device always clean the prism surface and the sample well using ultra-pure water or
ethanol.
You may need to clean it more often when you are going to measure a sample that could chemically react with the previous
sample or when you are going to measure a sample that is not miscible with the previous sample.
Remove the sample via rinsing the sample area with a suitable liquid, e.g. ultra-pure water or via absorbing the sample using
a soft tissue. If you did not use ultra-pure water as cleaning liquid, additionally rinse the prism surface and the sample well
with ultra-pure water to remove any other cleaning liquid. Finally, empty the sample well and use a clean, soft cloth (cotton or
microber) to dry off any remaining droplets.
Clean the housing and the sample area with a soft cloth dipped in ethanol or warm water. If necessary, you can use a mild
solvent (pH < 10).