Temperature and humidity controller is an instrument that can simultaneously measure and control temperature and humidity signals and realize LCD digital display. The upper and lower limits of temperature and humidity can also be set and displayed by pressing the button, automatically adjusting the actual temperature and humidity of the measured environment, so that the instrument can automatically start the fan or heater according to the site situation. Through the output indication of two normally open contacts, it is more suitable for complex and changeable site conditions, truly making the instrument intelligent and achieving the purpose of effectively protecting the equipment. The following small series will introduce you to the "temperature and humidity controller setting method":
First, how to set the temperature and humidity controller: 1. After the power-on reset display temperature setting state, the controller enters the normal working state, the current temperature and humidity values are displayed on the screen, and the load is switched according to the preset. 2. Press the function selection key to enter the setting state and modify the setting parameters. After 10 seconds of keyless action, it will automatically exit the setting state. 3. Press the function selection button to enter the upper temperature setting state. At this time, the setpoint is displayed on the upper screen, and "1-H" is displayed on the lower screen. The upper limit can be adjusted up or down from -50 to 99°, and the factory-set upper limit is 30°. 4. Press the function button again to enter the setting state of the lower temperature limit. At this time, the setpoint is displayed on the upper screen, and "1-L" is displayed on the lower screen. The lower limit is set by increasing or decreasing and it can be adjusted between -50 and 99°. The lower limit set by the factory is 20°.
Second, the setting method of temperature and humidity controller: 1, 20 ° when the load heating starts, when the temperature is higher than 40 ° stop the load heating, the ambient temperature is controlled between 20~40 °. When the ambient temperature is higher than 40°, the fan cooling controller will start the load for cooling, and when the ambient temperature is lower than 20°, stop the load cooling and control the ambient temperature between 20~40°. 2. Press the function selection button again to enter the temperature correction state. At this time, the upper screen displays the currently measured temperature value, and the lower screen displays "1-C". The temperature value can be corrected by increasing or decreasing the key and can be adjusted from -50° to 99°. The temperature value is calibrated at the factory, and customers do not need to calibrate without special circumstances. 3. Press the function selection button to enter the state of setting the upper limit of humidity. At this time, the setpoint is displayed on the upper screen, and "2-H" is displayed on the lower screen. The upper humidity limit is set by the increase or decrease key and can be adjusted from 0[%]RH to 99[%]RH. 4. Press the function selection button to enter the setting state of the lower humidity limit. At this time, the setpoint is displayed on the upper screen, and "2-L" is displayed on the lower screen. The lower humidity limit is set by the increase or decrease key and can be adjusted from 0[%]RH to 99[%]RH. 5. Press the function selection button again to enter the temperature correction state. At this point, the currently measured humidity value is displayed on the upper screen, while "2-C" is displayed on the lower screen. The humidity value can be corrected by increasing or decreasing the bond, from 0[%]RH to 99[%]RH, which is adjustable. The humidity value has been calibrated before leaving the factory, and customers do not need to calibrate again without special circumstances.
Precautions for using temperature and humidity controllers: 1. The instrument should avoid interference sources as much as possible. If the signal cable is too long, try to use a shielded wire, the signal cable and the power cable cannot be installed together. 2. The instrument should avoid working in an environment with corrosive and flammable substances, a large amount of dust and strong vibration. 3. Storage temperature 10 ~ 70°, avoid direct sunlight, store for a long time. 4. Prevent vibration or shock.
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