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PR-23-GC Compact Process Refractometer
Brand: K-Patents Process InstrumentsK-Patents Compact Process Refractometer PR-23-GC is an industrial, compact instrument for the general industry small pipeline and bypass line applications. The PR-23-GC sensor is easy to install in the process either directly in a pipe elbow by a Sandvik coupling connection or in a straight pipe via a Wafer flow cell or a Pipe flow cell.
The flangeless Wafer flow cell is a compact alternative to traditional flanged pipe flow cells. The Wafer refers to a flow cell body that is installed between DIN, ANSI or JIS piping flanges with bolts and nuts. The Wafer flow cell is a one-piece body construction with no welds. If the harsh environments or aggressive process fluid require a better material grade against chemical corrosion, higher alloys and special wetted parts materials are available.
The measurement range covers 0-100 % by weight. The accuracy is typically ±0.1 % b.w. and the measurement is automatically temperature compensated. Low and high concentration alarms can be configured. Because of the digital sensing technology, even large amounts of suspended solids, bubbles or color changes do not affect the measurement or the accuracy.
Each sensor is provided with a calibration certificate comparing a set of standard liquids to the actual sensor output. The calibration and accuracy can be verified on-site with the certified Refractive Index liquids and K-Patents documented procedure.
Features- 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 % by weight.
- Special wetted parts materials such as AISI 904L stainless steel, Alloy 20, Hastelloy C-276, Nickel 200, Titanium ASTM B348 or SAF 2205 available.
- Both flow cell mounting designs create optimum flow velocity on the measurement surface providing a good self-cleaning effect. The flow cells have also an optional automatic wash system capability.
- Dual connectivity: one transmitter can operate two sensors. A second sensor can be easily integrated later.
- Completely digital system: particles and bubbles do not affect operation or accuracy.
- Patented CORE-optics: no drift, no re-calibration, no mechanical adjustments.
- Ethernet connection and remote panel for data-logging and remote operation.
- Process temperature range: -40° to 130°C (-40° to 266° F).
- Fast process temperature measurement by built-in Pt1000 and automatic temperature compensation.
- Easy on-site instrument verification within users' own quality assurance system with standard Refractive Index liquids.
- Intrinsic safety and hazardous area approvals available on request.
Specifications
Accuracy
- R.I. ND = ± 0.0002 (Corresponds Typically to ± 0.1 % by Weight)
Alarms / Wash Relays
- Two Built-In Signal Relays, Max.
Ambient Temperature Range
- Indicating Transmitter: 0° to 50° C (32° to 122° F)
- Sensor: -40° to 45° C (-40° to 113° F)
Cable Fittings to Indicating Transmitter
- European Cable Glands M20 x 1.5 or US Conduit Hubs
Calibration
- With Cargille Standard R.I. Liquids over Full Range of ND 1.3200 to 1.5300
Core-Optics
- No Mechanical Adjustments
Current Output
- Indicating Transmitter DTR: 4-20 mA - Max.
- Indicating Transmitter DTR: Galvanic Isolation 1,500 Vdc or AC (Peak), Hold Function During Prism Wash
Digital Measurement
- 3648 Pixel CCD Element
Display
- Indicating Transmitter DTR: 320 x 240 Pixel Graphical LCD with LED Backlight
Ethernet Connection
- 10/100 Mbit/second, Data Acquisition over UDP/IP Protocol with K-Patents PR-11111 Data Logging Software
Instrument Verification
- According to ISO 9001 Quality System & with Standard R.I. Liquids
Interconnecting Cable
- IEC 61158-2 Compliant 2-Wire Cable
Interconnecting Cable Length
- 33 feet (10 metres) Standard
- Maximum
Keypad
- Indicating Transmitter DTR: 18 Membrane Keys
Light Source
- Light Emitting Diode (LED), 589 Nm Wavelength, Sodium D-Line
Pipe Flow Cell PFC Connection
- In Straight Pipe: 1” (25 mm)
- In Straight Pipe: ANSI 150 psi
- In Straight Pipe: DIN PN 25 or JIS
Power
- Indicating Transmitter DTR: 24 Vdc, 30 VA
- Indicating Transmitter DTR: AC Input 100-240 Vac, 50/60 Hz
Process Connection
- In Upper Elbow of Pipe: by Sandvik Coupling L 2.5” (76.1 mm) for Pipe Line Sizes of 2.5” & Larger
- In Upper Elbow of Pipe: Via Reducing Ferrule PR-9283 for 2” Pipes
Process Pressure
- psi: 0 to 200 (kPa: 0 to 1,500, bar: 0 to 15) at 20° C (70° F)
Process Temperature
- -40° to 130° C (-40° to 266° F)
Process Wetted Parts
- AISI 316L Stainless Steel
- AISI 904L Stainless Steel
- Alloy 20 or Incoloy
- Hastelloy C-276
- Nickel 200
- Prism Gaskets PTFE (Teflon)
- Prism Sapphire
- SAF 2205
- Titanium ASTM B348
Refractive Index Range
- Full Range, ND=1.3200 to 1.5300 (Corresponds to 0 to 100 % by Weight), Sapphire Prism (Standard)
- nD = 1.2600 to 1.4700, Sapphire Prism
- nD = 1.4100 to 1.6200, YAG Prism
- nD = 1.5200 to 1.7300, GGG-Prism
Repeatability
- nD = ± 0.0001 (Corresponds Typically to ± 0.05 % by Weight)
Sensor Connectivity
- One or Two Sensors can be connected to One DTR
Sensor Protection Class
- IP67
- NEMA 4X
Speed of Response
- 1 second Undamped, Damping Time Selectable up to 5 minutes
Temperature Compensation
- Automatic, Mathematical Compensation
Temperature Sensor
- Built-In Pt-1000, Linearization According to IEC 751
Transmitter Protection Class
- Enclosure IP66
- NEMA 4X (Indoor Use)
Wafer Flow Cell WFC Connection
- In Straight Pipe: 0.5” (15 mm)
- In Straight Pipe: 1” (25 mm)
- In Straight Pipe: 1.5” (40 mm)
- In Straight Pipe: DIN PN 40 or JIS
- In Straight Pipe: Wafer Flow Cell Body Mounts between ANSI 150 psi