Product Analysis: ifm electronic PT5404 Pressure Sensor
The ifm electronic PT5404 is a high-performance pressure sensor with an integrated electronic display, designed for monitoring system pressure in hydraulic and pneumatic applications. Part of the PT series, this sensor is engineered to provide precise measurements in high-pressure environments, such as power units, injection molding machines, and heavy-duty stamping presses. It combines a robust sensing element with a user-friendly digital interface for real-time monitoring.
Performance and Measurement Range
The PT5404 covers a measuring range of 0 to 400 bar (0 to 5800 psi), making it suitable for high-pressure hydraulic circuits. It features a ceramic-capacitive pressure measuring cell that is highly resistant to overpressure and pressure peaks. The unit provides a 4-digit alphanumeric display that can be programmed to show values in bar, psi, or MPa. It outputs a switching signal (PNP/NPN) or an analog signal, allowing for both alarm triggering and continuous process control.
Key Technical Characteristics
- Part Number: PT5404.
- Measuring Range: 0…400 bar.
- Process Connection: G 1/4 A (Internal thread).
- Output: 1 x PNP/NPN switching + 1 x Analog (4…20 mA / 0…10 V).
- Operating Voltage: 18…36V DC.
- Accuracy: < ± 0.5% of the span.
- Protection: IP67 / IP69K.
- Housing Material: Stainless steel (1.4404 / 316L).
Industrial Precision and Ease of Use
The PT5404 is built for longevity. Its stainless steel housing and high ingress protection (IP69K) make it suitable for use in washdown areas or environments exposed to heavy oil and grease. The two-color display (green/red) can be configured to change color when a specific pressure threshold is reached, providing a clear visual warning to operators. The sensor also features a high degree of electrical protection against short circuits and reverse polarity.
| Category | Specification |
| Burst Pressure | 1000 bar |
| Response Time | < 3 ms |
| Media Temperature | -25°C to +80°C |
Maintenance Insights
The PT5404 is virtually maintenance-free thanks to its non-moving sensing parts. During installation, it is recommended to use the appropriate sealing ring (included or specified) and to ensure that the process connection is not over-torqued. The modular M12 connector facilitates quick electrical connection and disconnection for maintenance or recalibration cycles.
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