Multi-sensor interchangeable temperature and humidity monitor

The testing laboratories have high requirements on the temperature and humidity control of the environment. The traditional temperature and humidity control system usually measures the temperature and humidity parameters of the laboratory (room) at the return air outlet and feeds back to the control system for temperature and humidity adjustment. Meanwhile, Place a temperature and humidity monitor on the work surface to monitor the temperature and humidity parameters of the current work surface. Due to the inconsistency of temperature and humidity in the testing laboratory and the distance between the return air outlet and the work surface, the temperature and humidity of the work surface and the temperature and humidity of the return air outlet are somewhat different. This difference may cause the temperature and humidity values ​​of the return air outlet to be satisfied. Test laboratory requirements, but the actual work surface temperature and humidity values ​​can not meet the testing requirements.

The current temperature and humidity monitor has a wide variety of temperature and humidity sensors, and the performance accuracy varies greatly, resulting in a huge price difference between the temperature and humidity sensors. The sensors used in various locations of the distributed system may not be consistent. For example, in some laboratories, the accuracy of temperature and humidity sensors requires the use of high-precision sensors, while in some laboratories the requirements are relatively low, and these process variables need to be monitored in the same temperature and humidity monitoring system. The adoption of a high-precision temperature and humidity sensor can satisfy the requirements for the collection of environmental parameters, but the entire system grid is tens or even a thousand times the price of the lower-precision sensor.

Multi-function wireless ad hoc network temperature and humidity monitor, through the analog switch circuit allows the system to configure different temperature and humidity sensors according to different environmental requirements, through the desktop temperature and humidity monitoring and wireless data receiving and sending, can improve the temperature monitoring accuracy of the workbench, reduce System cost meets metrological verification requirements.

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