20pcs W3231 incubator Temperature Controller thermometer Cool/Heat Digital Dual Display with NTC Sensor DC12V

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Please according to your own measurements to choose your suitable size. The tags inside the items will show in our Asian (Type) size.
Description
Temperature Control:-55C~120C/-67F~ 248F
Temperature Control Accuracy:0.1 C / 0.1 F
Display Color:Red + Blue
Working Power Supply:DC12V
Temperature Sensor:1M NTC 10K
Product Size:79.2mm≠41.9mm≠26.3mm
Hole Size:72.1mm≠39.2mm
Operation and Display Panel
Warning code
CodeReason for errorSolution
HHHTemperature exceeds alarm temperatureThe temperature drops below the alarm temperature and returns to normal.
LLLNo temperature sensor detectedReplacement reconnect temperature sensor
Indicator light
ColorIndicating situation
RedThe red light flashes and the heating mode is delayed.;The red light is always on, heating mode is running.
BlueBlue light flashes, cooling mode delay starts;
The blue light is always on ,cooling mode is running.
Instructions
1. Short press “SET” small dital tube to flash, press “” or “” to set the target temperature, press “Standby” button or no operation to save the setting within 3 seconds.
2. Press and hold “SET” to enter the code setting mode, press “” or “” to switch the code. After selecting, press “SET” to enter the code setting. After setting, press “Standby” button or no operation to save the setting within 3 seconds. .
3. The last parameter setting is saved by default after shutdown.
4, restore the factory settings:press and hold ‘SET’ to power on.
5. When the module is powered on, it will start directly. After power-on, press and hold the “standby” button, the module will enter “sleep” or “wake up”; if power failure, the module will run automatically after power recovery, no need to start manually.
Package Include
20 x W3231 Incubator Temperature Controller Thermometer