High Temperature Voltage Output Pressure Transducers

High-temperature voltage output pressure transducers are specialized sensors designed to accurately measure the pressure of hot liquids or gases, even in challenging industrial environments. These transducers incorporate thermal protection mechanisms to ensure reliable performance and precise voltage output signals across a wide temperature range.

• Vacuum and steamer pressure transducer with -30 inHg to 100 psi range - Pressure transducer with an output voltage of 1-5V, able to withstand up to 150 C on the pressure side
• -0.9 to +2.2 bar g Autoclave pressure transducer - This autoclave pressure sensor provides accurate pressure monitoring in medical, pharmaceutical, and industrial sterilization applications. Its robust design and integrated cooling element ensure reliable performance in demanding environments.

• Popcorn maker pressure transducer with 90 psig range and 200 degC air temperature tolerance - High-temperature, hygienic air pressure sensor for industrial popcorn machines. 90 psi g, 200°C max, 0-10V output. Food-grade materials, DIN43650A connector.

• ATM/T Pressure and Temperature Dual Output Transmitter
• DMP331P Hygienic Flush Pressure Transmitter
• IMP Low Cost Pressure Sensor
• DMK331P Flush Diaphragm Pressure Sensor

• 200 degC media temperature pressure sensor with 25 bar g range and 0 to 10 volts output
• Blow moulding machine 10,000 psi GRAS NaK filled 10V melt pressure sensor
• 20 bar absolute steam pressure transducer
• 180 degC pressure sensor for saturated steam up to 10 bar
• Automatic transmission fluid (ATF) automotive component testing hi-temp pressure sensor with 500 psig range and 0-10Vdc output
• High temperature -1…2 barg range 0…10Vdc out heat pipe pressure sensor for research use

• DS200P Sanitary Low Range Pressure Gauge, Switch and Sensor
• IMPLR Low Range All Stainless Steel OEM Pressure Sensor
• ASMT Miniature Combined Temperature and Pressure Transducer
• ASM 13mm Diameter Miniature Pressure Transducer

• 4 barg range 0-5Vdc output hi-temp humidified gas pressure sensor for research use
• 50 barg oxygen cleaned high temperature 0-5V output pressure sensor
• 6 bar absolute 0-10V out high temperature freshwater pressure sensor for solar thermal systems

• DS201P High Range Flush Pressure Gauge, Switch and Sensor
• 35X HTC High Temperature Digital Pressure Sensor (< 300 degC)
• 35X HTT High Temperature Compensated Pressure Sensor

When dealing with extremely hot process media, conventional pressure transducers may falter due to the heat’s adverse effects on sensitive electronic components. High-temperature pressure transducers are engineered to overcome this challenge through innovative thermal management solutions. These solutions often include integrated heat sinks or extended process connections that act as thermal buffers, effectively dissipating heat and preventing it from reaching critical areas within the transducer.

The heart of a high-temperature pressure transducer lies in its sensing element, which is typically a strain gauge or a piezoresistive sensor. These elements are carefully selected and protected to maintain their accuracy and stability even when exposed to elevated temperatures. The transducer’s electronics, responsible for signal conditioning and amplification, are also housed within a thermally isolated compartment, shielding them from the intense heat.

The ability to provide a variable analog voltage output is a key feature of these transducers. This output signal is directly proportional to the applied pressure, enabling seamless integration with data acquisition systems, process controllers, and other industrial automation equipment. The voltage output range is often customizable, allowing engineers to tailor the transducer’s response to their specific application requirements.

Applications

• Power Generation: Monitoring steam pressure in boilers and turbines.
• Petrochemical Processing: Measuring pressure in high-temperature reactors and pipelines.
• Aerospace: Monitoring pressure in jet engines and rocket propulsion systems.
• Automotive: Measuring pressure in exhaust gas recirculation systems.
• Food Processing: Monitoring pressure in sterilization and pasteurization processes.
• Industrial Manufacturing: Measuring pressure in hydraulic systems and injection molding machines.

Selection Considerations

When selecting a high-temperature pressure transducer, consider factors such as:

• Maximum Operating Temperature: Ensure the transducer can withstand the highest anticipated process media temperature.
• Pressure Range: Choose a transducer with a pressure range that encompasses the expected operating pressures.
• Output Voltage Range: Select a transducer with an output voltage range compatible with your data acquisition or control system.
• Accuracy: Choose a transducer with an accuracy level suitable for your application.
• Materials of Construction: Consider the compatibility of the transducer’s materials with the process media to prevent corrosion or degradation.

By carefully considering these factors, you can ensure that you choose the optimal high-temperature pressure transducer for your specific needs, guaranteeing reliable and accurate pressure measurements in even the most challenging environments.