IFM Electronics Pressure Sensor – PN2221
Ensure precise and reliable pressure monitoring in your hydraulic, pneumatic, and process applications with the IFM PN2221 pressure sensor. Engineered with robust piezoresistive technology, this sensor delivers exceptional accuracy and long-term stability for pressures up to 100 psi. Its 4-20 mA output signal provides excellent noise immunity, making it ideal for industrial environments with long cable runs.
With a compact, stainless steel housing and an IP67 protection rating, the PN2221 is built to withstand harsh conditions, including moisture, dust, and vibration. Backed by a 2-year warranty, it’s a trusted solution for OEMs and maintenance professionals seeking durability and performance.
Key Highlights at a Glance:
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Range:Â 0…100 psi
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Output:Â 2-Wire, 4…20 mA
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Connection:Â G 1/2 Male Thread
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Housing:Â Stainless Steel (IP67)
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Technology:Â Piezoresistive Stainless Steel Sensor
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Industry-Leading 2-Year Warranty
Key Features & Benefits (H2) – Convert with Value
This section uses bullet points for easy scanning, linking features to direct customer benefits.
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Piezoresistive Technology:Â Provides high accuracy and excellent long-term stability, reducing drift and the need for frequent recalibration.
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Robust Stainless Steel Housing & IP67 Rating:Â Offers superior resistance to corrosion, shock, and vibration. Can be installed in wet or dusty environments with confidence.
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4-20 mA Analog Output:Â A standard, industry-proven signal that is highly resistant to electrical interference over long distances, ensuring reliable data to your PLC or controller.
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Easy Installation & Integration:Â Standard G1/2 male thread allows for simple mounting into existing systems without special adapters.
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Long Service Life:Â Designed for demanding continuous operation, minimizing downtime and replacement costs.
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LED Status Indicator:Â Provides visual confirmation of power and output signal for quick diagnostics and troubleshooting.
Technical Specifications (H2) – For the Technical Buyer
(Use a table for this section for optimal readability)
| Specification | Details |
|---|---|
| Manufacturer | IFM Electronic |
| Part Number | PN2221 |
| Product Type | Pressure Sensor |
| Pressure Type | Gauge Pressure |
| Pressure Range | 0…100 psi |
| Output Signal | 4…20 mA (2-Wire) |
| Electrical Connection | Cable, 2 m |
| Pressure Connection | G 1/2 Male Thread |
| Housing Material | Stainless Steel (1.4305) |
| Protection Class | IP67 |
| Accuracy | < ±0.5% Full Scale |
| Media Temperature | -25…100 °C |
| Technology | Piezoresistive |
Applications (H2) – Showcasing Versatility
The IFM PN2221 is versatile and perfect for a wide range of applications, including:
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Hydraulic and Pneumatic Systems
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Industrial Pumps and Compressors
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Cooling Water and Liquid Pressure Monitoring
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Factory Automation and Process Control
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OEM Machinery





















