| In-Line refractometers are designed to monitor | | | | respect to refractive index. As there are no |
| and control the concentration of dissolved solids | | | | moving parts with in-line refractometers, only |
| or water soluble liquids in your process lines. | | | | precise optical and electronic elements, the |
| These instruments can be incorporated in piping of | | | | calibration is very stable, repeatable and accurate. |
| manufacturing plants, liquid mixing devices, and | | | | To connect the in-line refractometer to your |
| washing apparatuses to continuously measure the | | | | system you simply attach the unit to a piping |
| concentration of various liquids. In-Line | | | | system to monitor food or beverage production, |
| refractometers are suitable for use in the control | | | | pharmaceutical production, industrial fluid, washing |
| of mixing, concentration, fermentation, and control | | | | devices, dilution/mixing devices, etc. The in-line |
| of the concentration of water-based or | | | | refractometer will continuously monitor water |
| alkali-based detergent, etc. | | | | content and mixing ratio with successive |
| The light from an LED source is transmitted by a | | | | measurements of refractive index, Brix, or |
| fiber optic onto one side of a measuring prism | | | | concentration. |
| and internally reflected to the interface of the | | | | The ATAGO Model PRM-100α In-Line |
| prism and the sample liquid. A portion of this light | | | | Refractometer is just such an instrument. It can |
| beam is reflected back onto the opposite side of | | | | provide the following: |
| the prism at an angle which depends on the | | | | • Wide range 0.0 to 100.00% Brix range |
| refractive index of the liquid at the interface. | | | | • Improved measurement accuracy: Brix |
| The position of this reflected beam, as it exits | | | | ±0.05%, nD ±0.00010 |
| the prism, changes with the angle of reflection | | | | • Two options for setting the minimum |
| (which depends on the refractive index of the | | | | indication decimal place |
| sample). A linear diode array is used to | | | | • Simple two-piece construction: detection |
| accurately detect the varying position of the | | | | section and operation display section |
| reflected beam, and this position is calibrated with | | | | • Easy-to-read color display panel. |