Baumer – PT55

Temperature Sensor With Display_IO-Link

Brand : Baumer

The Baumer PT55 is a compact and high-performance RTD temperature sensor designed for industrial and hygienic process applications. It delivers precision temperature measurement across an exceptionally wide range from -50 °C up to 250 °C, making it highly versatile for fluid, process, machine cooling circuits, and general industrial temperature monitoring. The sensor incorporates a built-in 4 … 20 mA transmitter and support for IO-Link Dual Channel, enabling seamless integration into automation systems and simple parameter configuration.

The PT55 features a robust, fully welded stainless steel body with a rotatable touchscreen display for intuitive local setup and measurement visualization. Its compact housing supports easy installation even in confined spaces and offers protection ratings up to IP69K with an appropriate connector, ensuring reliable performance in harsh environments with high humidity and vibration. With programmable damping, fast response times, and multiple output options, the PT55 is a flexible solution for demanding industrial temperature control tasks.

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Specifications

Specification Details
Product Name Baumer PT55 Temperature Sensor
Sensor Type RTD Temperature Sensor with Transmitter
Sensor Element Pt100 per EN 60751
Measuring Range -50 °C … 250 °C (with cooling neck)
Output Signals 4 … 20 mA; IO-Link 1.1 Dual Channel
Accuracy Classes 1/1 B; 1/1 A; 1/3 B; 1/6 B
Max Measuring Error ± 0.06 % FSR @ 25 °C
Thermal Response Time (T50) < 2.5 s (Ø4 mm); < 6.5 s (Ø6 mm); < 10.5 s (Ø8 mm)
Programmable Damping 0 … 60 s
Protection Class IP67; IP69K (with suitable mating connector)
Humidity ≤ 100 % RH, condensing
Vibration Resistance 1.6 mm p-p (2 … 25 Hz), 4 g (25 … 100 Hz)
Electrical Connection M12-A, 4-pin stainless steel
Power Supply 15 … 35 V DC (18 … 30 V DC with IO-Link)
Housing Material AISI 304 stainless steel
Sensor Tube Material AISI 316L (optional)
Display Rotatable touchscreen display
Custom Lengths Standard up to 3000 mm on request
Compliance & Approvals EMC EN 61326-1; EN 61326-2-3

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