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Temperature Sensor | Wall mounting | PT500

Article code ROTSN-P500
GTIN 14 5401003011263
Intrastat number 90.25.19.00
Category Room Temperature Sensors
Current stock 6 U.
Factory lead time 4 Week(s)
Next arrival 24/04/2026 - 24 U.

Product description

ROTSN passive temperature probes are designed for reliable and stable ambient temperature measurement. They use a PT500 platinum sensor with a positive temperature coefficient of resistance, meaning its resistance increases with temperature. The sensor has a resistance of 500 Ω at 0 °C.

The sensor element is enclosed in a plastic casing with an IP30 protection rating. It connects via a screw clamp terminal block suitable for a grounded shielded cable with a maximum cross-section of 1.5 mm². The low-profile housing features concealed screws.

Key features include excellent long-term stability (< ± 0.04%) and an insulation resistance of over 10 MΩ. The sensors operate within a temperature range of -20 to 60 °C and a relative humidity of less than 95% rH (non-condensing), making them ideal for stable measurements.

Additional specifications and description

 
Which parameters are measured and why is it important?
This room sensor measures ambient temperature. It is a passive sensor which uses a platinum element with a positive temperature coefficient of resistance. The measured temperature can be read by any device compatible with passive temperature sensors, providing accurate measurements for monitoring and control applications.
Temperature plays a crucial role in human comfort and overall well-being. Temperature not only affects how hot or cold a space feels, but also impacts health and productivity. It is important to create an indoor environment that ensures a general sense of comfort for everyone. 
 
What are the configuration and customisation options?
This sensor measures temperature via a PT500 platinum element with an electrical resistance of 500 Ω at 0 °C. It has a positive temperature coefficient of resistance, which means that the resistance increases when the temperature increases.
Any device with an input for passive temperature sensors can read out the measured temperature.
 
How is the sensor installed, and what are the power and connectivity requirements?
The sensor is intended for mounting on a wall or flat surface indoors.
The sensor does not require a separate power supply. The platinum sensor element can be connected using a shielded 2-wire cable via the screw terminal block. This terminal block is suited for cables with a maximum cross section of 1.5 mm2. We recommend to keep the cable length limited. The longer the cable length, the higher the influence of the resistance of the cable on the measurement readout.  
 
What are the manufacturing quality and protection ratings?
All sensors are designed and manufactured in Europe. Each device is calibrated and tested in our factory. Only high-quality components are used, ensuring long-term stability and accuracy.
The enclosure is produced in-house by Sentera Plastics from premium ABS and ASA plastics, providing exceptional strength and durability. With its contemporary look, the device seamlessly fits into most interior styles. It is designed for indoor use and offers an IP30 protection against ingress of dust and moisture. To ensure optimal performance, the sensor should be protected from direct sunlight.
 
Discover how to improve your indoor environment:
 
Monitoring Indoor Air Quality
 
 
 
How to mount a room sensor?
 

Remarks, reviews & ratings

22/10/2025
We chose the PT500 for its sleek, discreet design, which looks great in our office. Installation was simple and fast, and it delivers solid, stable temperature readings every time. This sensor is a dependable, high-quality component for any professional setup. Great product!
18/06/2024
Niekuo neišsiskiriantis dizainas, paprastas pajungimas, montavimas. Pakenčiami
21/12/2023
Устройство, което работи с голяма точност, надеждно и много полезно за поддържане на температурата в стаята. С много добър дизайн и лесен монтаж.
04/12/2023
Od kilku lat kupiję ten czujnik razem z regulatorami Sentera, praca bezawaryjna, dobra dokładność, dostepna cena. Polecam.
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