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4-20mA 1-5V WNK805 Sanitary Pressure Transmitter

WNK805 integral pressure transmitter adopts stainless steel shell structure, built in stainless steel oil filled
sensor, intelligent digital circuit with precise temperature characteristic compensation, it is suitable for gas, liquid, steam pressure measurement and pressure measurement with corrosive media.
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Sanitary Pressure Transmitter


Sanitary Pressure Transmitter



Product Overview


The WNK805 Sanitary Pressure Transmitter is engineered to meet the stringent demands of industries requiring high hygiene standards, including food processing, dairy production, beverage manufacturing, and pharmaceutical processing. Built with a robust stainless steel shell and an integrated stainless steel oil-filled sensor, this transmitter combines durability with precision, making it ideal for measuring pressure in gases, liquids, and steam—even when dealing with corrosive media.


What sets the WNK805 apart is its intelligent digital circuit, which includes precise temperature characteristic compensation, ensuring consistent performance across varying environmental conditions. The unit is fully sealed to withstand high-pressure wash-downs, making it compatible with Clean-in-Place (CIP) and Sterilize-in-Place (SIP) installations—critical for maintaining sterility in sensitive production environments. Whether monitoring pipeline pressure, controlling liquid levels, or managing process conditions, the WNK805 delivers reliable, accurate data to support efficient operations.


Features


The WNK805 Sanitary Pressure Transmitter is designed with a focus on versatility, accuracy, and durability, featuring:

· Broad Measurement Range: Covers vacuum to 60MPa, accommodating a wide spectrum of pressure monitoring needs in hygienic settings.

· High Accuracy: Boasts precision up to ±0.25%, ensuring reliable data for critical process control.

· Flexible Output Signals: Standard 4-20mA 2-wire output for seamless integration with most industrial control systems; custom outputs available upon request.

· Robust Construction: Stainless steel case and wetted parts resist corrosion and wear, while the design withstands pressure spikes and vibration—common in industrial environments.

· Versatile Connections: Offers a full range of process and electrical connections, with tri-clamp fittings as a standard option. Tri-clamps are widely used in food, beverage, and pharmaceutical industries for their ease of cleaning and secure sealing.

· Specialized Options: Can be assembled with diaphragm seals for unique applications, and optional tantalum sensor contacts are available for measuring pressure in highly corrosive media, extending its usability across diverse scenarios.

· Hygiene-Focused Design: Fully sealed to prevent contamination, supporting compliance with strict industry regulations for cleanliness and sterility.


Applications


The WNK805 Sanitary Pressure Transmitter excels in environments where hygiene, accuracy, and reliability are non-negotiable. Key applications include:

· Food & Beverage Processing: Monitoring pressure in pipelines during the production of sauces, juices, and canned goods, ensuring consistent flow and preventing over-pressurization that could compromise product quality.

· Dairy Production: Controlling pressure in milk processing lines, cheese-making equipment, and yogurt fermentation tanks, where sterility is critical to avoiding bacterial contamination.

· Pharmaceutical Manufacturing: Measuring pressure in sterile drug production lines, cleanrooms, and liquid formulation tanks, adhering to FDA and EU GMP standards.

· Liquid Level Control: Managing levels in storage tanks and mixing vessels for beverages, syrups, and pharmaceutical solutions, preventing overflow or underfilling.

· CIP/SIP Systems: Withstanding high-pressure, high-temperature wash-downs to maintain sensor integrity while ensuring equipment remains sanitized between production runs.

· Corrosive Media Handling: Using optional tantalum sensors to measure pressure in acidic or caustic solutions, such as in the production of fruit concentrates or chemical-based pharmaceuticals.


FAQ


What makes the WNK805 suitable for sanitary applications?

The WNK805 features a fully sealed design, stainless steel construction, and compatibility with CIP/SIP processes. These attributes prevent bacterial growth, resist contamination, and ensure it meets strict hygiene standards required in food, dairy, and pharmaceutical industries.


What output signals does the WNK805 support?

The standard output is 4-20mA 2-wire, a widely adopted signal in industrial systems for its simplicity and reliability. Custom output signals can be requested to match specific control system requirements.


Can the WNK805 handle corrosive media?

Yes. While the standard stainless steel wetted parts resist mild corrosion, optional tantalum sensor contacts are available for measuring pressure in highly corrosive media, such as acids or alkalis.


What is the accuracy of the WNK805?

The transmitter offers high accuracy up to ±0.25% of full scale, ensuring precise pressure readings for critical process control.


Is the WNK805 easy to install in existing systems?

Yes. It comes with a full range of process and electrical connections, including tri-clamp fittings (common in hygienic industries) for quick, secure installation. This compatibility minimizes downtime during setup or replacement.


How does temperature compensation work in the WNK805?

The integrated intelligent digital circuit includes precise temperature characteristic compensation, adjusting readings automatically to account for temperature fluctuations. This ensures consistent accuracy even in environments with varying heat or cold.


The WNK805 Sanitary Pressure Transmitter combines cutting-edge technology with hygienic design, making it a trusted choice for industries where precision and cleanliness are paramount. Its adaptability, durability, and compliance with strict standards ensure it delivers long-term value in diverse applications.


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