Precision New Genuine Pressure Sensor With Display IFM PN2093 for Industrial Automation

IFM PN2093 Electronic Pressure Sensor – Vacuum to 25 bar Control in a Compact Package

The IFM PN2093 is an electronic pressure sensor with an integrated digital display, designed for precise monitoring of vacuum and positive pressure in modern industrial machines. Covering a measuring range from −1…25 bar, it is ideal for compressed air, hydraulic auxiliary circuits, cooling systems and many general-purpose automation tasks where reliability and fast response are essential. 

Built around a ceramic-capacitive measuring cell, the PN2093 combines high overload resistance with long-term stability, while the stainless-steel process connection and robust plastic housing provide excellent durability in harsh environments. The unit offers two outputs that can be configured as switching and/or analogue (4–20 mA / 0–10 V), plus IO-Link communication for integration into Industry 4.0 architectures. 

Key Technical Data – IFM PN2093

Measuring Range and Performance for Real Industrial Loads

The PN2093 is designed specifically for systems that operate around low to medium pressures but still experience occasional high peaks. With a measuring range from −1…25 bar, it can cover applications from full vacuum up to typical compressed-air and utility pressures. 

A pressure rating of 150 bar and minimum burst pressure of 350 bar give a wide safety margin, allowing the sensor to tolerate pressure spikes that may occur during switching operations, water hammer, or rapid valve closure. 

The ceramic-capacitive measuring cell offers:

• High resistance to overpressure

• Very good long-term stability and low drift

• Minimal sensitivity to temperature changes across the −25…+80 °C range 

The result is a sensor that maintains accuracy over years of operation, reducing the need for frequent recalibration.

Mechanical and Electrical Design Built for the Plant Floor

Mechanically, the IFM PN2093 uses a G ¼ internal thread according to DIN EN ISO 1179-2, a widely used process connection in hydraulic and pneumatic systems. This makes it easy to fit into manifolds, distribution blocks or pipe tees without special adapters. 

The combination of stainless steel in the wetted parts and high-grade reinforced plastics for the body provides an excellent balance of strength, corrosion resistance and low weight. With IP65/IP67 protection, the sensor is suited to environments where dust, humidity and splashing liquids are routine, provided it is installed with an appropriate M12 connector.

Electrically, the PN2093 is a DC PNP/NPN design, operating from 18…30 V DC. It integrates reverse-polarity, short-circuit and overload protection, helping to prevent accidental wiring mistakes from damaging the device. 

Clear Display and Intuitive Local Operation

On the front of the PN2093, a 4-digit alphanumeric display continuously shows the current pressure value. The display can appear purely in red or in an alternating red/green mode, so switching states and alarm conditions are visible at a glance. 

Additional LEDs provide information about the selected display unit and the current status of the outputs. Parameter setting is done via the front pushbuttons, with a simple menu structure that allows you to:

• Set switching points and reset points

• Select hysteresis or window function

• Configure outputs as normally open or normally closed

• Choose the analogue output type (4–20 mA or 0–10 V) and scaling

• Adjust damping and response times for noisy signals 

The rotatable housing head (up to about 345°) lets you align the display after installation, which is especially useful when the sensor is mounted in tight or awkward positions. 

Flexible Outputs and IO-Link Connectivity

The PN2093 offers two fully programmable outputs. OUT1 is always a switching output; OUT2 can be used either as a second switching output or as an analogue output. 

Key features:

• Switching outputs

  • PNP or NPN configuration

  • Programmable NO/NC behaviour

  • Current rating up to 250 mA per output

  • High switching frequency up to 500 Hz, suitable for dynamic applications such as fast clamping or quick filling operations 

• Analogue output (on OUT2)

  • 4–20 mA and 0–10 V selectable

  • Scaleable at a ratio of 1:5, enabling fine resolution over the most relevant pressure range for the process 

In addition to the classic switching and analogue signals, the PN2093 supports IO-Link communication (as part of the PN series platform). This enables:

• Remote parameterization from the PLC or engineering station

• Access to the precise digital pressure value and diagnostic information

• Simple cloning of sensor settings to speed up commissioning and replacement 

This combination turns the PN2093 into a small but powerful data node in any smart factory environment.

Typical Applications of IFM PN2093

With its vacuum-to-25-bar range and flexible output concept, the PN2093 is well suited for a variety of tasks, for example:

• Compressed-air systems
  Monitoring receiver pressure, main distribution lines or individual branches, and sending both discrete alarms and continuous feedback to the controller.

• Vacuum circuits
  Supervising vacuum grippers, pick-and-place systems and packaging machines that require precise vacuum levels for safe handling.

• Cooling and lubrication systems
  Ensuring that coolant and lubricant pressure stay within defined limits to protect tools, bearings and gears in machine tools or conveyor drives.

• Auxiliary hydraulic or pneumatic functions
  Pressure feedback in clamping devices, actuators and forming presses where moderate pressures and high switching frequencies are common.

• OEM machinery and skid systems
  As a standard building block for pressure monitoring in modular skids, filter units, pump panels and general machinery, simplifying both design and spare-parts management.

Integration and Selection Guidelines

When specifying and installing the IFM PN2093 pressure sensor, consider the following points to achieve reliable operation:

• Ensure that your normal operating pressure is comfortably within the −1…25 bar range; performance is best when typical working conditions fall in the middle part of the span.

• Use appropriate sealing methods (for example, thread seal or suitable sealing ring) with the G ¼ connection to avoid leaks and mechanical stress.

• For systems with strong vibration or pressure spikes, consider short flexible hoses or mounting blocks rather than direct rigid mounting on pumps or fast-acting valves.

• Match the output configuration (PNP/NPN, analogue type, IO-Link use) to the available inputs on your PLC or IO-module to avoid converter modules.

• When using IO-Link, standardize parameter sets so that replacing a sensor becomes a plug-and-play operation instead of a manual programming task. 

A Compact, Future-Ready Choice for Vacuum and Low-Pressure Control

The IFM PN2093 combines robust mechanical design, accurate measurement from full vacuum up to 25 bar, flexible switching and analogue outputs, and IO-Link communication in a single compact device. For OEMs and end users looking for a versatile electronic pressure sensor with display that is ready for both classic PLC inputs and modern digital networks, the PN2093 offers a balanced mix of reliability, functionality and long-term value.