Humidity controllers in general
Humidity controllers in general
The physical measuring principle of our electromagnetic relative humidity controllers is based on the properties of a hygroscopic polyamide, which is preloaded by a spring. The water content in the plastic band is in equilibrium with the relative ambient humidity. Depending on the ambient humidity, the water content in the polyamide band also changes, and so does the length of the band.
Humidity controllers for sanitary rooms
This type of humidity controller from B+B can be quickly and easily integrated into ventilation control systems. The controller detects the humidity in rooms and then automatically activates the appropriate ventilation to prevent mold growth.
The humidity controller N322 for humidity and temperature
The N322 RHT humidity and temperature controller is a digital control unit for relative humidity and temperature. Two relay outputs can be independently configured to control temperature or humidity.
Yes, customised designs are available on request. Please note that due to the planning and implementation costs involved, we can only produce customised designs for orders with a minimum value of €500.00.
Two-point controllers operate with two states: on and off. Three-point controllers add a neutral intermediate state. In contrast, continuous controllers, which are designed to reach and maintain the setpoint quickly and accurately, operate with less overshoot. The basic types of continuous controllers are P, I and D controllers. The P controller quickly brings the actual value closer to the setpoint, but has a permanent control deviation that can be compensated for by combining it with an I controller. The I controller integrates the control deviation over time to compensate for it, but is slow. A PI controller combines these characteristics, but responds slowly to sudden changes. This is where the D controller comes in, quickly correcting even small deviations. Since a pure D controller does not recognise a constant deviation, it is combined with P or PI controllers to improve response time. A PID controller combines all three algorithms to respond quickly to both large and small control deviations and eliminate permanent deviations.