Vaisala K-PATENTS general type process refractometer PR-43-G is made to last and is an ideal all-round instrument for measuring the liquid concentration and density in a wide range of industrial applications. The PR-43-G masters highly accurate measuring technology in demanding process control applications where conventional density equipment may struggle due to undissolved solids or bubbles in the process stream.
The refractometer system consists of a compact or probe refractometer and a graphical user interface. The refractometer is a stand-alone device capable of operating independently or together with a physical user interface. It has a measurement range of 0 to 100 % and it provides an Ethernet or 4–20 mA output signal proportional to the temperature-compensated concentration value for real-time process control. Different user interface options range from a rugged, multichannel, industrial computer to a compact lightweight and a web-based version which allow the user to select the most preferred way to access and use the refractometer measurement and diagnostics data.
The refractometer built-in web server and instrument homepage enable remote monitoring, configuring and diagnostics via an Ethernet connection. Every PR-43-G Refractometer also provides an mA output signal for control purposes. Special wetted parts materials and hazardous area certifications are available.
The measurement performance is unsurpassed in harsh process conditions with high contents of solids, particles, bubbles, pulsating flows or abrasive and corrosive substances.