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PR-43-AC Sanitary Compact Refractometer
Brand: K-Patents Process InstrumentsThe unique and innovative K-Patents Sanitary compact refractometer PR-43-AC system consists of a compact 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-AC refractometer is designed to meet the needs of hygienic installations in small pipe line sizes of 2.5 inch and smaller.
The PR-43-AC refractometer is installed in the pipe bend. It is angle mounted in the outer corner of the pipe bend directly or through a flow cell with a Sanitary clamp or a Varivent® connection. This way the best flow conditions and self-cleaning effect can be achieved. 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.
Specifications
Accuracy
- Across the Full Range of 0-100 Brix: Refractive Index ND ± 0.0002 Corresponds Typically to ± 0.1 Brix or % by Weight
- High Accuracy Version -HAC in the Range of 0-30 Brix & 4° to 30° C: ± 0.02 Brix or % by Weight (In Set-Point Applications)
- High Accuracy Version -HAC in the Range of 0-30 Brix & 4° to 30° C: ± 0.05 Brix or % by Weight
Ambient Temperature Range
- Compact User Interface CI: 0° to 50° C (32° to 122° F)
- Multi-Channel User Interface MI: -40° to 50° C (-40° to 122° F)
- Refractometer: -40° to 45° C (-40° to 113° F)
Calibration
- With NIST Traceable Cargille Standard R.I. Liquids over Full Range
Current Output
- Galvanic Isolation 1,000 Vdc or AC (Peak), Hold Function During Prism Wash
- Isolated 4-20 mA - Max.
Digital Measurement
- 3648 Pixel CCD Element
Enclosure
- Compact User Interface CI: Light-Weight Aluminum Enclosure for Control Room Conditions, Epoxy Coated IP66, NEMA 4 Enclosure with Polycarbonate Display Shield for Field Conditions
- Multi-Channel User Interface MI: Environmentally Sealed 316 Stainless Steel IP67 (Door Closed), IP66 (Door Open) / Typical 4X for Demanding Field & Outdoor Conditions
Hygienic Design Certification
- 3-A Sanitary Standard 46-03 Certified
- EHEDG (European Hygienic Equipment Design Group) Typical EL Class I Certified
Instrument Verification
- With NIST Traceable Cargille Standard R.I. Liquids & Guided Procedure, Including A Printable Verification Report
Interconnecting Cable Length
- 10 metres (Standard), Field-Adjustable with a Platform 4 Cable Extender for up to 100 metres
Light Source
- Sodium D-Line Light Emitting Diode (LED)
Patented Core-Optics
- No Mechanical Adjustments
Power Supply
- Compact User Interface CI: 24 Vdc ± 10 %, 8.5 W, Max.
- Multi-Channel User Interface MI: 24 Vdc, 60 W
- Multi-Channel User Interface MI: AC Input 100-240 Vac / 50/60 Hz, 60 W
- Refractometer: 24 Vdc ± 10 %, Max.
Process Connection
- 2.5” Cherry-Burrell I-Clamp
- Sanitary 3A-Clamp 2.5”
- Varivent In-Line Access Unit Clamp DN 65
- Via Elbow Flowcell (For Line Sizes of 2.5” & Smaller)
Process Pressure
- High Pressure Sanitary 3A Clamp hp - psi: 580.2 (kPa: 4,000, bar: 40)
- Sanitary 3A & I-Clamp - Max.
- Sanitary 3A & I-Clamp - psi: 125 (kPa: 900, bar: 9) at 120° C (250° F)
Process Temperature
- -40° to 130° C (-40° to 266° F)
Process Wetted Parts
- AISI 316L Stainless Steel (For Long Probe)
- AISI 316L Stainless Steel 1.4435 (For Compact Probe)
- EHEDG Certified Process Connection Gasket for EHEDG Compliant Installation
- Prism Gasket Modified PTFE (Teflon)
- Prism Sapphire
- Sanitary Process Connection Gasket: EPDM (For Sanitary 3A-Clamp, I-Line Clamp & Varivent Connection
Refractive Index Range
- Full Range, ND=1.3200 to 1.5300 (Corresponds to Hot Water to 100 Brix or % by Weight) (Standard)
- nD = 1.2600 to 1.4700
Refractometer Protection Class
- IP67
- NEMA 6P (For Outdoor Use)
Remote & Ethernet Connection
- 10/100Base-T Ethernet
- UDP/IP Protocol Connection for Data Acquisition
- Web Server for Configuration & Diagnostics
Repeatability
- Across the Full Range of 0-100 Brix: ND ± 0.00004 (Typically Corresponds to ± 0.02 Brix or % by Weight)
Sensor Cover
- AISI 316L Stainless Steel
Speed of Response
- 1 second Undamped, Damping Time Selectable up to 5 minutes
Temperature Compensation
- Automatic, Digital Compensation
Temperature Sensor
- Built-In Pt-1000, Linearization According to IEC 751
User Interface Models
- Compact User Interface CI
- Multi-Channel User Interface MI
- Web User Interface WI
User Interface Weight
- Compact User Interface CI: 5.4 kg (11 lbs)
- Multi-Channel User Interface MI: 13.6 kg (29 lbs)