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Flexim-PIOXR 721 Inline Process Refractometer Chemical Variant

Flexim PIOX R721 Inline Process Refractometer - Chemical Design Variant

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Product Description

The Flexim PIOX R721 R is the chemical design variant of the process refractometer and offers as a fully stainless-steel design variant with all wetted materials made out of grade 316 Ti / 1.4571 steel. When dealing with highly corrosive media, such as hydrochloric, strong sulfuric or hydrofluoric acid, the PIOX R inline refractometer is also available as a special carbon reinforced PTFE design variant offering an unrivalled corrosion resistance, long term stability and reliability in such harsh environments. Being FM Class I Div. 2 / Class I Div. 1 certified and available with long and short sensor heads that can be integrated into the process via DIN / ANSI flange.

Specifications

Measuring Quantities
Refractive index and refractive index at standard temperature, fluid temperature, concentration g/l, mass and vol.%, density and density at standard temperature, scale values for example °Brix and °API, additional quantities programmable
Measurement Range
nD: 1.3 ...1.7, °Brix: 0 ...100
Accuracy
nD: 0.0002 (corresponds to: 0.1 °Brix, 0.1 w%)
Repeatability
nD: 0.00002 (corresponds to: 0.01 °Brix, 0.01 w%)
Diagnostics
- 20 °C ... (+ 130 °C) + 150 °C
Process Temperature
150 psi; on request 300 psi
(depending on process connections)
Fluid Pressure
Sensor: IP67, FM Class I Div. 2
Transmitter: IP65, FM Class I Div. 2
Certifications/Approvals
Sensor R500: IP67, ATEX (IECEx) zone 0,/1
Transmitter R721: aluminum or stainless-steel enclosure, IP66, ATEX (IECEx) zone 2
Process Wetted Material
Stainless steel 316Ti (1.4571)
Housing Material
Stainless steel 304 (1.4301)
Process connection
DIN/ANSI flange, sight glass fitting, proprietary Flexim flow cell
System configuration and Installation
Cleaning Systems: PTFE Chemical Design variant: Wetted parts, materials: PTFE carbon-fiber reinforced bulk material

Features

  • Highly accurate optical process technology making costly laboratory tests obsolete
  • No flow velocity needed - as known from conventional technologies
  • Independent in regard to gas bubbles and turbidity as well as the media‘s viscosity
  • Internal self diagnostic tools for predictive and low maintenance efforts
  • Ready for Advanced Meter Verification

Documents & Drawings