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HYW Series Ultra High Purity Pressure Transmitter 

Stainless Steel Pressure Measurement for High-Purity Applications

Precision and reliability are non-negotiable in industries that demand ultra-high purity pressure monitoring. The HYW Series Ultra High Purity Transmitter is designed to provide exceptional accuracy, stability, and long-term reliability in high-purity gas applications. This transmitter is an essential tool for semiconductor manufacturing, flat panel display production, and photovoltaic systems, where maintaining precise pressure control is crucial for operational efficiency and process stability.

High-purity applications require pressure transmitters that can maintain consistent performance while resisting the corrosive effects of process gases. The HYW Series Pressure Sensor meets this need with its advanced design, compact form factor, and high-performance materials. Whether monitoring gas delivery systems or ensuring process stability in sensitive manufacturing environments, the HYW Series Ultra High Purity Transmitter offers superior reliability and durability.

Applications

Semiconductor process gases

Model

HYW Series

Shape

Single-ended or Flow though

Fitting Shape

Fixed Male, Swivel male or Swivel female

Fitting

VCR compatible

Fitting size

1/4”

Wetted parts

Diaphragm: Hastelloy (C-22) Fitting: SUS316L

Base pressure range

0 (-0.1 ) to 0.5, 1, 2, 3.5, 20, 25 or 35MPa

Proof pressure

Less than 20MPa:2 × Base pressure, 20MPa:×1.5

Power supply

DC24V±10%

DC15~24V

Output signal

4~20mADC (2-pin)

1~5VDC (3-pin)

Accuracy

±0.3%F.S.(including linearity, hysteresis and repeatability)

Operating temp. range

0~60℃ (No freezing or condensation)

Storage temp. range

0~80℃ (No freezing or condensation)

Thermal effect

±0.05%F.S./℃

IP rating

IP55 ※Indoor use only

Cable connector

Detachable Tajimi connector or Pigtail

Accessory cable

3m Standard (2 wires + Shield)

3m Standard (3 wires + Shield)

Sealing method

EB welding

Leakage test

<5×10-12 Pa㎥/sec

Surface finish

Ra: <0.25μm

Power consumptions

0.5W or less

Weight

Approx. 120g (Excluding accessory cable and might differ depending on connector)

Key Features of the HYW Series Stainless Steel Transmitters

The HYW Series Pressure Sensor is engineered with cutting-edge technology and premium materials to ensure superior performance in high-purity gas applications. Below are the features that make this HYW Series Pressure Transducer a preferred choice across industries.

Hastelloy C-22 Diaphragm for Corrosion Resistance

Exposure to aggressive process gases can degrade sensor components over time in high-purity environments. To combat this, the HYW Series Ultra High Purity Transmitter is equipped with a Hastelloy C-22 diaphragm, providing unmatched corrosion resistance and chemical compatibility.

This high-strength diaphragm material ensures long-term durability and prevents contamination in sensitive processes, making the HYW Series Pressure Sensor an ideal choice for semiconductor gas delivery systems, high-purity chemical processing, and precision gas flow control. By utilizing Hastelloy C-22, the HYW Series extends its operational lifespan, reducing maintenance costs and enhancing reliability.

Advanced Thick Film (ATF) Technology

Accuracy and stability are critical in pressure measurement, and the HYW Series Pressure Transducer utilizes Advanced Thick Film (ATF) Technology to achieve high-performance sensor stability. This proprietary technology significantly reduces drift, hysteresis, and fluctuations, ensuring consistent and highly accurate pressure readings over extended periods.

By integrating ATF technology, the HYW Series Ultra High Purity Transmitter provides uncompromised precision, making it suitable for semiconductor fabrication, gas panel monitoring, and ultra-high purity industrial applications. This technology ensures real-time pressure monitoring, improving overall system efficiency and reducing errors in high-sensitivity applications.

Enhanced Temperature Stability

Temperature fluctuations can cause inaccuracies in pressure measurement, leading to operational inefficiencies. The HYW Series Ultra High Purity Transmitter is designed to maintain stable and precise pressure readings even in fluctuating environmental conditions. With a compensated temperature range of 0 to 60°C, this pressure sensor ensures reliable performance across various applications.

The HYW Series Pressure Sensor guarantees continuous, accurate monitoring in high-purity gas delivery, protecting sensitive equipment and ensuring process stability. This ensures that industries that rely on precise vacuum pressure control, such as semiconductors and pharmaceuticals, can maintain operational integrity with minimal system disruptions.

Compact Design for Easy Integration

High-purity gas applications often have space constraints, requiring sensors that are small, lightweight, and easy to install. The HYW Series Pressure Transducer features a compact design, making it ideal for use in cylinder cabinets, valve manifold boxes, gas panels, and vaporizers.

Its space-saving form factor allows seamless integration into tight installation areas, reducing system footprint while maintaining high-precision performance. The transmitter’s compact and modular design makes it an excellent choice for applications that demand high-efficiency space utilization without compromising performance.

Local Zero Adjustment Feature

Precision calibration is essential for maintaining measurement accuracy over time. The HYW Series Ultra High Purity Transmitter includes a local zero adjustment feature, allowing for on-site calibration without requiring disassembly.

This feature ensures the HYW Series Pressure Sensor maintains optimal accuracy, reducing maintenance downtime and extending the transmitter’s lifespan. Operators can fine-tune their pressure readings in real time, ensuring maximum efficiency and stability in their process control systems.

HYW Series UHP Sensors: CE Marked and RoHS Compliant

Regulatory compliance is crucial for high-purity applications, and the HYW Series Ultra High Purity Transmitter meets international safety and environmental standards. It is CE Marked and RoHS compliant, ensuring adherence to strict industry regulations and environmental safety standards.

Ideal Applications in Semiconductor and Photovoltaic Industries

The HYW Series Ultra High Purity Transmitter is designed for applications requiring ultra-precise pressure control. Below are some of its most common applications in high-purity gas environments.

Cylinder Cabinets and Valve Manifold Boxes

Cylinder cabinets and valve manifold boxes are critical in semiconductor gas distribution systems. The HYW Series Pressure Sensor ensures precise pressure monitoring within these high-purity gas environments, maintaining consistent gas flow and improving system safety.

By implementing the HYW Series Ultra High Purity Transmitter, semiconductor manufacturers can ensure optimal gas delivery system performance, preventing pressure fluctuations that could disrupt production. Its fast response time and high accuracy make it the go-to choice for maintaining stable gas supply in sensitive manufacturing processes.

Gas Panels and Vaporizers

For gas panel monitoring and vaporizer systems, the HYW Series Pressure Transducer provides high-accuracy pressure measurement, ensuring process control stability. Its compact design allows for easy installation within space-restricted areas, offering seamless integration into gas handling systems.

With its ultra-fast response time of less than 2 ms, the HYW Series ensures immediate pressure adjustments, keeping processes stable and minimizing downtime in high-purity gas delivery applications.

HYW Series UHP Transducers Technical Specifications

Operating Temperature and Output Signal

  • Operating Temperature: 0 to 80°C
  • Output Signal: 4 to 20 mA

Response Speed and Internal Volume Options

  • Response Speed: Less than 2 ms
  • Internal Volume Options:
    • SN: 0.89 cm³
    • SF: 0.75 cm³
    • SMV: 0.67 cm³
    • TMV: 1.25 cm³

Material Specifications and Surface Finish

  • Sensor Case Material: SS304
  • Diaphragm Material: Hastelloy C-22
  • Surface Finish: EP treated Ra: <0.25 µm

Leak Integrity and Power Supply Requirements

  • Leak Integrity: <5×10⁻¹² Pa·m³/sec
  • Power Supply: DC24V±10%

Compensated Temperature Range

  • Temperature Compensation: 0 to 60°C
  • Materials Exposed to Gases: SS316L

Enhance Your Process Control with the HYW Series

The HYW Series Ultra High Purity Transmitter offers unmatched accuracy, durability, and regulatory compliance, making it the perfect solution for industries requiring ultra-precise pressure monitoring.

Contact Us for More Information

Are you interested in learning more about how the HYW Series Ultra High Purity Transmitter can improve your high-purity pressure monitoring applications? Contact us today to speak with our experts.

Request a Quote

Need pricing details or specific product recommendations? Request a quote now and learn how the HYW Series Pressure Sensor can enhance your operations.

Download the Product Datasheet

For full technical specifications and installation details, download the product datasheet today and discover why the HYW Series Pressure Transducer is the leading choice for ultra-high purity pressure measurement.

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