Vaisala Process Refractometer PR-23-GP/GC

For measuring Brix in the demanding cane and beet sugar refining and milling processes

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 Brix.
•Completely digital system: particles, crystals and bubbles do not affect operation or accuracy.
•CORE-optics: no drift, no re-calibration, no mechanical adjustments.
•Ethernet connection and remote panel for data-logging and remote operation.
•Process temperature range: -20°C – 150°C (-4°F – 300°F).
•Fast process temperature measurement by built-in Pt1000 and automatic temperature compensation.
•Dual connectivity: one transmitter can operate two sensors. A second sensor can be easily integrated later.
•Easy on-site instrument verification within users’ own quality assurance system with standard Refractive Index liquids.

Vaisala Semikon Refractometer PR-23-MS

For semiconductor liquid chemical processes

Features
• Typical accuracy of 0.1% by weight, eg. For HCl in water. For multi-component solutions, the measurement signal works as a checksum.
• Patented CORE optics (US Patent No. US6067151).
• Dual connection: One transmitter can drive two sensors. A second sensor can then be easily integrated.
• Process temperature range: -20°C – 150°C (-4°F – 300°F)
• Fast process temperature measurement with built-in Pt1000 and automatic temperature compensation.
• Zone II, ATEX approved for area classification EX II 3 G EEx nA II T4.
• Class I, FM approved for Division. 2, Groups A, B, C and D, T6.
• CSA approved for Class I, Division. 2, Groups A, B, C and D, T4.;
• cCSAus certified for Electrical Safety, Sensor: Class I, Pollution Degree. 3; Transmitter: Class I, Pollution Degree: 2

Vaisala Process Refractometer PR-23-W/M

For In-line liquid concentration or density measurement for process control in chemically aggressive liquids

Features
•Universal calibration of each sensor: All sensors are freely interchangeable with each other.
•Full measurement range Refractive Index nD 1.3200 – 1.5300, which corresponds to 0-100 % by weight.
•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.
•CORE-optics: no drift, no re-calibration, no mechanical adjustments.
•Ethernet connection and remote panel for data-logging and remote operation.
•PR-23-W sensor wetted parts: Teflon®, Sapphire (Al2O3), Kalrez® and Spinel (MgAl2O4) have excellent chemical and mechanical resistance; PR-23-M sensor wetted parts: Teflon® PTFE or Kynar® PVDF (Polyvinylidene fluoride), prism gasket Teflon® PTFE, prism sapphire, O-ring Kalrez, adaptor sapphire
•Process temperature range: -20°C – 130°C (-4°F – 266°F)
•Fast process temperature measurement by built-in Pt1000 and automatic temperature compensation.
•Simple and easy calibration verification using standard refractive index liquids and a built-in verification procedure at customer site.Simple and easy calibration verification using standard refractive index liquids and a built-in verification procedure at customer site.
•ATEX approved for Zone II, area classification EX II 3 G EEx nA II T4.
•ATEX approved for Zones 0 and 1, area classification ATEX II 1G Ex ia IIC T4 (only Intrinsically safe PR-23 W-IA or PR-23-M-IA with single sensor transmitter STR).
•FM approved for Class I, Div. 2, Groups A, B, C and D, T6.
•CSA certified for Class I, Div. 2, Groups A, B, C and D, T4.
•cCSAus certified for Electrical Safety, Sensor: Class I, Pollution Deg. 3; Transmitter: Class I, Pollution Deg. 2; Installation Cat. II.

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