Overview
The IFM Electronic PN4222 pressure sensor is a digital pressure monitor combining precise measurement capability with onboard display and switching output. This compact unit integrates measurement and display functionality in a single enclosure, eliminating the need for separate monitoring equipment and simplifying installation in industrial control systems. The sensor provides both visual readout and electrical switching output for integration into larger automation architectures.
Key Features
- 4-digit LED alphanumeric display with country-specific pressure unit selection
- Measuring range: 0–100 bar / 0–1450 psi / 0–10 MPa
- Programmable AC/triac switching output rated to 2.5 A
- High overload protection for long-term stability and sensor protection
- Connector-based design for fast replacement without rewiring
- Polychloroprene insulators rated to −55 to +125 °C material range
- Aluminum alloy housing with protective finish
Technical Specifications
- Measuring Range: 0–100 bar (0–1450 psi / 0–10 MPa)
- Display: 4-digit LED alphanumeric
- Electrical Output: AC/triac, programmable switching, 2.5 A rated current
- Process Connection: 1/4″ NPT internal thread
- Operating Temperature: −25 to +80 °C
- Ingress Protection: IP 67
- Pressure Type: Relative (gauge) pressure
- Housing Material: Aluminum alloy with protective coating
- Weight: Approx. 0.358 kg (0.789 lb)
- Origin: Germany (IFM Electronics manufacture)
Typical Applications
The PN4222 is commonly deployed in:
- Industrial automation systems requiring real-time pressure feedback and visual monitoring
- Hydraulic and pneumatic control circuits needing switching-based pressure limits
- Machine tool lubrication and coolant pressure supervision
- Air compressor and pump discharge monitoring
- Plant HVAC and compressed air distribution networks
- Liquid level detection via pressure sensing (indirect measurement)
Compatibility & Replacements
Compatible With
- Allen-Bradley and Siemens PLCs (via AC relay input terminals)
- Industrial automation control networks using discrete relay inputs
- AC power supply systems 85–265 V AC
- Standard industrial pressure measurement and control systems
Replaces / Drop-In Replacement For
- IFM EFECTOR 500 series pressure monitors of equivalent range and connection
- Other 0–100 bar gauge-pressure digital displays with 1/4″ NPT ports
- Verify exact part number compatibility (e.g., PN-100-SBN14-HFBOW/LS/ /V variant) with your system integrator before ordering.
Works With
- 24 VDC/AC industrial control systems
- Relay-based logic and ladder logic programming
- Analog and discrete industrial I/O modules
- Standard NPT pressure line couplers and hose assemblies
