P91 – Air Compressor Pressure Transducer
The P91 air compressor pressure transducer delivers accurate and stable pressure measurement for HVAC, air conditioning, refrigeration, and compressor systems.
Compact and durable, it features a stainless-steel isolated structure, ceramic core, and IP67 protection. Ideal as an air pressure sensor or air conditioner pressure sensor, the P91 ensures long-term reliability and precision in demanding environments.
Description
The P91 air compressor pressure transducer is designed for accurate and stable measurement in HVAC, refrigeration, and air compressor systems. With its compact design, stainless-steel isolated structure, and imported ceramic core, the P91 ensures high precision across a wide temperature range. Offering reliable air pressure sensor performance with 4–20 mA output options, it is ideal as an air conditioner pressure sensor for long-term use in demanding environments.
Certified to CE and TUV standards, the P91 combines durability, overload resistance, and IP67 protection, making it a trusted choice for manufacturers and system integrators seeking dependable HVAC pressure transducers.
Main applications:
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Air Conditioner Manufacturing & Testing: Used in leak detection, refrigerant charging, and performance validation.
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Refrigeration Systems: Provides stable and precise pressure measurement for optimal system operation.
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HVAC Systems (Heating & Cooling): Enhances system efficiency and reliability in heating and cooling applications.
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Air Compression Systems: Monitors and regulates air pressure in industrial and commercial compressors.
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Energy and Water Treatment: Supports pressure measurement in fluid management and environmental systems.
Features
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High Accuracy: ±1.0% F.S., reliable for precise pressure monitoring.
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Compact Design: Fits tight spaces in HVAC, refrigeration, and air compressors.
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Durable Construction: Stainless-steel isolated body with corrosion-resistant diaphragm.
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Temperature Range: Works from -40℃ to 85℃; automatic temperature compensation ensures stability.
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Outputs: 4–20mA (2-wire/3-wire), suitable for integration into controllers or PLCs.
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Pressure Range: -1–10 bar up to 40 bar; suitable for typical AC and compressor systems.
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Overload & Burst Resistance: 150% F.S. overload, 200% F.S. burst pressure.
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Environmental Protection: IP67-rated; resistant to water, dust, and harsh environments.
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Automatic Temperature Compensation: Ensures consistent performance across temperature fluctuations.
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Certifications: CE & TUV approved for international compliance.
Specification
| Pressure Range | -1-10~40 Bar | |
| Overload | 150% F.S. | |
| Burst Pressure | 200% F.S. | |
| Electrical Wire | 2 wires | 3 Wires |
| Output | 4~20mA | 4~20mA |
| Power Supply | 10~30 V DC | 10~30 VDC |
| Accuracy | ±1.0%F.S | |
| Stability | 0.2%F.S/year | |
| Medium Temp. | -20~80℃ | |
| Working Temp. | -40℃~85℃ | |
| Temperature Compensation | -20~70℃ | |
| Insulate resistance | >100MΩ/50VDC | |
| Electrical connection | 3 Pin connector | |
| Pressure
connect port |
G1/4”, others on request | |
| IP rating | IP67 | |
Datasheet
P91 pressure transducer Datasheet





