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Success Story AKCP sensorProbe2 Alarmsystem

Case Study: Precise Monitoring with AKCP sensorProbe2

A leading research institute was looking for a reliable method to monitor critical environmental values in a sensitive telescope facility. The goal was to detect temperature and humidity fluctuations at an early stage and prevent damage caused by condensation or quality losses during observations.

The choice was the AKCP sensorProbe2 alarm system. In combination with the dual sensor AK-THS00, temperature and humidity can be measured precisely. The recorded data is documented in real time, graphically processed, and is accessible via web interface at any time. This allows the institute to respond quickly to changing conditions.

Especially in the critical range of 80 to 100% humidity, the system provides valuable services: before condensation forms on the mirror surface, an automatic warning message is triggered. As a result, the sensitive equipment remains optimally protected.

Thanks to its compact design, the sensorProbe2 could be installed directly on the dome wall. In combination with additional sensors, even the risk of “dome seeing” can be reduced by visualizing temperature differences between the dome room and the telescope structure.

The result: A reliable, scalable, and low-maintenance monitoring solution that provides long-term support for research and education.

Here you can see the reflecting telescope with a 50 cm diameter mirror and a 5 m focal length. The open telescope dome is clearly visible.
Close-up of the telescope. Clearly visible at the bottom of the screen is the dual temperature and humidity sensor, which can be extended up to 300 meters via a CAT-5 cable. The AK-THS00 dual sensor is used for early detection of dew formation on the telescope's primary mirror due to temperature and humidity fluctuations.
The AKCP sensorProbe2 (AK-SP2) was mounted on the inner wall of the telescope dome. The compact design of the sensorProbe2 allows it to be installed almost anywhere. Another AKCP dual sensor was also installed on the inner wall of the telescope dome to detect gradients between the air temperature in the dome and the temperature of the telescope structure, which can degrade observation quality due to so-called "dome seeing" (thermal effects of the telescope itself and the telescope dome).
The temperature and humidity values ​​of the mirror cell and the telescope dome recorded by the AKCP sensorProbe2 alarm system are displayed here online.
The solution: With the AKCP sensorProbe2 alarm system offered by the Münster-based company Didactum®, the Institute of Astrophysics at the Georg August University of Göttingen receives precise monitoring of the temperature and humidity of the telescope and the telescope dome.

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