NT52D Flange Mounted Pressure Transmitter

High-Accuracy Pressure & Level Measurement for Industrial Process Applications

The NOIKE-AH NT52D Flange Mounted Pressure Transmitter is designed for reliable pressure and liquid level measurement in demanding industrial environments. Featuring a high-performance capacitive sensing core and a flange-mounted diaphragm seal, it provides exceptional measurement accuracy, long-term stability, and superior resistance to high temperatures, corrosive media, and high-viscosity fluids.

The flange-mounted design allows direct installation on tanks, reactors, pipelines, and process vessels, reducing maintenance while improving measurement reliability in harsh operating conditions.

Supporting 4–20 mA analog output and optional HART communication, the NT52D is an ideal solution for intelligent industrial process control.

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Key Features

• Flange-mounted diaphragm seal for reliable process measurement
• High-precision capacitive pressure sensing technology
• Pressure and liquid level measurement
• 4–20 mA analog output with optional HART communication
• Measurement accuracy up to ±0.2% FS
• Long-term stability better than 0.01% per year
• High-temperature resistance up to 300°C
• Stainless steel and Hastelloy CR diaphragm options
• Adjustable zero point and span
• Adjustable damping for stable signal output
• Explosion-proof and intrinsically safe versions available
• Suitable for corrosive, hygienic, and high-viscosity media

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How the NT52D Pressure Transmitter Works

The NT52D operates using a capacitive pressure sensing principle.

Process pressure is transferred through the flange-mounted isolation diaphragm and filling fluid to the internal sensing diaphragm. As pressure changes, the sensing diaphragm moves slightly, altering the capacitance between two precision capacitor plates.

The transmitter electronics convert these capacitance changes into accurate output signals:

• 4–20 mA analog output
• HART digital communication

The sensing diaphragm displacement is less than 0.1 mm, ensuring excellent sensitivity, repeatability, and long-term measurement stability.

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Typical Applications

The NT52D is suitable for pressure and level measurement in tanks, pipelines, and industrial process systems.

Chemical Processing

• Corrosive chemicals
• Acids and alkalis
• Reaction vessels
• Storage tanks

Food & Beverage

• Dairy production
• Beverage processing
• Brewing systems
• Hygienic storage tanks

Pharmaceutical Industry

• Sterile processing
• Fermentation systems
• CIP & SIP equipment
• Pharmaceutical reactors

Industrial Applications

• Paper and pulp
• Water treatment
• Petrochemical processing
• Tank level monitoring
• High-temperature process vessels
• Pressure control systems

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Technical Specifications

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Dimensional drawing (mm)

Product Features

The NT52D combines advanced capacitive sensing technology with a robust flange-mounted diaphragm structure for demanding industrial applications.

• Stainless steel or Hastelloy CR isolation diaphragm
• Flange-mounted diaphragm seal
• Excellent measurement stability
• High-temperature capability up to 300°C
• Outstanding corrosion resistance
• Multiple filling fluid options
• External zero and span adjustment
• Adjustable damping
• High overload resistance
• Suitable for pressure and hydrostatic level measurement

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Why Choose the NOIKE-AH NT52D?

Compared with conventional pressure transmitters, the NT52D offers:

✔ Reliable flange-mounted installation

✔ Excellent sealing performance

✔ Stable measurements in harsh industrial environments

✔ Suitable for corrosive and high-temperature media

✔ High accuracy and low drift

✔ Intelligent HART communication

✔ Flexible OEM & ODM customization

✔ Long service life with minimal maintenance

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Available Options

The NT52D can be configured to meet different industrial requirements.

Available options include:

• Custom pressure ranges
• Different flange standards and sizes
• LCD display
• HART communication
• Explosion-proof version
• Intrinsically safe version
• Stainless steel or Hastelloy diaphragm
• Various filling fluids
• OEM & ODM customization

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Frequently Asked Questions (FAQ)

What is a flange-mounted pressure transmitter?

A flange-mounted pressure transmitter uses a diaphragm seal integrated with a flange connection, allowing direct installation on tanks, reactors, and pipelines. It provides reliable pressure measurement while protecting the sensing element from aggressive process media.

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Can the NT52D measure liquid level?

Yes. The NT52D is suitable for hydrostatic liquid level measurement in storage tanks and process vessels by measuring the pressure generated by the liquid column.

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Does the transmitter support HART communication?

Yes. Standard models provide 4–20 mA analog output, with optional HART communication for remote configuration and diagnostics.

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Is the NT52D suitable for corrosive media?

Yes. With optional Hastelloy CR diaphragm and compatible filling fluids, the transmitter is designed for demanding corrosive chemical applications.

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Can it operate at high temperatures?

Yes. The NT52D supports process temperatures up to 300°C, making it suitable for steam systems, hot liquids, and high-temperature industrial processes.