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Programmable temperature and humidity controller XH-M452 is designed to control temperature in the range from -40 to +120°C and control air humidity in the range from 0 to 99% RH, has two LED displays with three characters each, two LED indicators switching on the relay, four control buttons, +/- terminals for powering the board, two groups of terminals for connecting the load, remote sensor SHT20, cable length 1 meter.
Supply voltage -12V, relay current - up to 10A.
In standby mode, the digital indicators constantly display the current temperature and humidity of the sensor.
Temperature adjustment occurs due to two upper and lower thresholds, which are adjustable in the range from -40 to +120°C.
To set the upper threshold (turn on the relay) you need:
Press and hold the “+” button for about 2 seconds, the display will start flashing.
Use the “+” or “-” buttons to set the required values.
Wait for the module to enter standby mode.
To set the lower threshold (disabling the relay), you need:
Press and hold the “-” button for about 2 seconds, the values on the display will begin to flash.
Use the "+" or "-" buttons to set the required values.
Wait for the module to enter standby mode.
If the upper threshold is greater than the lower threshold, the module will operate in cooling mode.
If the upper threshold is less than the lower threshold, the module will operate in heating mode.
Humidity adjustment occurs due to two upper and lower thresholds, which are adjustable in the range from 0 to 100% RH.
To set the upper threshold (turn on the relay) you need:
Press and hold the "+" button for about 2 seconds, the display will begin to flash.
Use the “+” or “-” buttons to set the required values.
Wait for the module to enter standby mode.
To set the lower threshold (disabling the relay), you need:
Press and hold the “-” button for about 2 seconds, the values on the display will begin to flash.
Use the “+” or “-” buttons to set the required values.
Wait for the module to enter standby mode.
If the upper threshold is greater than the lower threshold, the module will operate in drying mode.
If the upper threshold is less than the lower threshold, the module will operate in humidification mode.
To return to the factory default settings, you must simultaneously press and hold the "-" and "+" buttons to appear 888888 on the two displays.
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The data presented in the product description are for reference only and may differ from those indicated by the manufacturer.
To carry out technical calculations and obtain the exact parameters of the goods, use the datasheets from the manufacturer's website.
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The data presented in the product description are for reference only and may differ from those indicated by the manufacturer.
