In many applications in the food industry, precise adherence to the concentration of dissolved substances such as sugar, salts or lactose is essential for consistent product quality. The optical measurement method of the refractive index by means of a refractometer is a suitable method to monitor these values.
In liquid media, the density and thus the refractive index vary when the proportion of dissolved particles in the liquid changes. The CZ-B constantly measures this concentration using inline analysis methods – quickly, precisely and fully automatically.
This enables the permanent high-precision determination of the alcohol content, the mixing ratio of juices, mixed drinks and soft drinks or the dry mass in dairy products.
Less working time and less product loss = more efficiency and more profit
Analysis by determining the °Brix or nD index value offers enormous potential for increasing efficiency and quality. To avoid process deviations, in many applications manual measurements must be taken at very short intervals, often every 20 minutes.
Continuous concentration monitoring with CZ-B and the employees can devote themselves to other tasks without interruption. CZ-B is temperature compensated and always delivers precise results even with rapid changes, temperature fluctuations do not lead to any deviations in the measured values.
Advantages for many food applications
Typical applications can be found in all areas of the liquid food industry. In breweries, for example, the measurement of mash concentration and wort as well as the determination of alcohol content can be automated with the CZ-B. In the production of juices and mixed beverages, the applications are particularly in the continuous measurement of concentrate and control of the end product dosage for a constant product quality, in the continuous mixing quality control and in the product transition control. The continuous determination of the sugar or alcohol content in the running process plays an important role in wine production and in distilleries. And even dairies can benefit from the CZ-B application in the determination of dry matter in milk and whey.
CZ-B adopts clamp type installation and can be easily installed directly in a production line. Due to its front-flush design, mounting in a pipeline is very easy. An LED source directs light via a sapphire optic into the process media passing the sensor. The density of the liquid has a direct effect on the light radiation and changes the refractive index. A receiver array that measures the refractive index transmits a temperature-compensated value in the scale selected by the customer. Units are output in °Brix, temp, nD refractive index.
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