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The unique and innovative K-Patents Sanitary flush mounted refractometer PR-43-APT system consists of a flush mounted refractometer and a graphical user interface. The refractometer is a stand-alone device capable of operating independently. It has a measurement range of 0 to 100 Brix and it provides an Ethernet or 4–20 mA output signal proportional to the temperature-compensated Brix value for real-time process control. Different user interface options range from a rugged, multichannel, industrial computer to a compact light-weight and a web-based version, and allow the user to select the most preferred way to access and use the refractometer measurement and diagnostics data.
The PR-43-APT refractometer is designed to meet the needs of hygienic installations in vessels and cookers and in higher temperatures up to 150°C (300°F). The flush mounted refractometer allows the use of scrapers and mixers. The refractometer can also be installed through a steam jacket. The PR-43-APP refractometer is installed through an APV Tank bottom flange. The user interface of the refractometer can be installed locally in the field, remotely in the control room or in both locations by connecting several user interfaces in a network.
Platform four (P4) Refractometer
The introduction of a unique new Process Refractometer Technology Platform Four (4) brings improved levels of performance and a choice of user interfaces that fits best for various needs of applications.
Platform four also emphasizes the ongoing shift toward the use of Ethernet, and the concept of software Apps that add significant new possibilities to combine, refine and use measurement data in various industrial control and automation applications. The PR-43-A Refractometer has a built-in web server with an instrument homepage. The homepage allows for configuring, monitoring, verifying and diagnosing the refractometer via the Ethernet connection. Every PR-43-A Refractometer also provides an mA output signal for control purposes.
The Sanitary refractometer PR-43-A is factory-calibrated to measure Brix and temperature in standard units. Each refractometer has identical calibration. For this reason, the refractometers can be freely interchanged without optical recalibration or parameter changes. The refractometer does not require any recalibration or regular maintenance. Furthermore, the calibration of each refractometer can be verified using standard refractive index liquids and a built-in verification procedure.
Multichannel user interface MI
The Multichannel user interface MI provides the highest level of industrial computing, intelligence and sophisticated features as well as environmental protection.
•High-performance, industrial computing system
•Expandable system and connectivity for up to four (4) PR-43-A refractometers and eight (8) I/O modules
•Environmentally sealed IP67, NEMA 6, rugged 316 stainless steel enclosure that withstands the corrosive cleaning agents and frequent washes in food and beverage processing plants. In addition, the stainless steel enclosure has superior hygienic qualities and bacteria and germs have difficulty growing on it. Also for demanding field and outdoor conditions (-40−50°C, -40−122°F)
•Prism wash diagnostics and control
•Trend display that shows one or two graphs over a selected period of time.
•Embedded measurement apps: The apps are small programs that give different types of measurement data and functionality.
•Modules, e.g. mA-output and mA-input module
•10” graphical touchscreen color display
•21 CFR 11 compliant user identification and management, electronic data records and data-logging, event log/audit trail.
Compact user interface CI
•Single device connectivity
•Local and/or remote display and access
•Light-weight, aluminum enclosure for control room conditions and epoxy coated IP65, NEMA 4 enclosure with polycarbonate display shield for field conditions
•Trend display
•10” graphical touchscreen color display.
Web user interface WI
•Web browser interface via Ethernet connection to a control system or any type of computer
•Output values are transmitted through 4-20 mA output and output values, diagnostic information and trends are transmitted via an Ethernet connection using a UDP/IP protocol
Refractometer PR-43-APP
•Universal calibration of each sensor: All sensors are freely interchangeable.
•Full measurement range Refractive Index (nD) 1.3200 – 1.5300, which corresponds to 0-100 Brix.
•Sanitary 3-A approved to meet the highest hygiene requirements of food production.
•Withstands CIP and SIP processes and cleaning and rinsing of facilities.
•Completely digital system: particles and bubbles do not affect operation or accuracy.
•Patented CORE-optics: no drift, no re-calibration, no mechanical adjustments.
•PR-43-A Refractometer has a built-in web server with an instrument homepage. The homepage allows for configuring, monitoring, verifying and diagnosing the refractometer via an Ethernet connection.
•Effective heat transfer and isolation using Teflon® and ceramics in the refractometer provide safe operation also in higher process temperatures (max. 150 °C/300 °F).
•Fast process temperature measurement by built-in Pt1000 and automatic temperature compensation.
Easy on-site instrument verification within users’ own quality assurance system and standard Refractive Index liquids.
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