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PRINCIPLE OF OPERATION

The turbidity of the sugar solution is measured by measuring the absorption of light at a wave length of 88nm, passed through a sample of the solution. The instrument uses water as a reference and is automatically calibrated every hour.The absorbance is displayed locally and is available as a 4-20mA electrical signal.

APPLICATIONS

The instrument was originally designed to measure the turbidity of clear juice to check the operation of a clarifier. It can simply be used to monitor the combined clear juice output or can be used on each component when trying to localise problems in a clarifier. It has subsequently been used on a syrup clarifier and has been used to check the clarity of brown liquor and fine liquor in refineries.