XH-W1820 is high precision temperature controller. It can measure the current temperature to control heating or cooling device.
1>.Product Name: XH-W1820
2>.Temperature range: -50~110Celsius
3>.Temperature control range: -50~110Celsius
4>.Temperature measurement accuracy: 0.3Celsius
5>.Temperature control accuracy: 0.1Celsius
7>.Temperature probe: NTC 10K B3950
8>.Work order voltage: DC 12V-24A
1>.Long press SET enter into parameter set mode.
2>.Short press SET to switch select parameter.
3>.Press button UP and DOWN to set parameter value.
4>.P0:Set Working Mode.Heating Mode H and Cooling Mode C.The default mode is H.
5>.P1:Set Return Temperature Value.The set range is 0.1C-30C.The default value is 2C.That is to set range for Set Temperature Value.If set the Set Temperature Value is 25celsius and the Return temperature is 0.5celsius.So the temperature range is 24.5~25.5celsius. Start heating mode if the current test temperature is lower 24.5celsius.Start cooling mode if the current test temperature is higher 25.5celsius.
6>.P2:Set Upper Temperature Limit Value.The default value is 110C.Screen will flashing 'HHH' when the test temperature is more than Upper Temperature Limit Value.The maximum Set Temperature Value is 50C if user set 50C as the Upper Temperature Limit Value.
7>.P3:Set Lower Temperature Limit Value.The default value is -50C.Screen will flashing 'HHH' when the test temperature is less than Lower Temperature Limit Value.The minimum Set Temperature Value is -30C if user set 30C as the Lower Temperature Limit Value.
8>.P4:Temperature Correction.The set range is -10C to +10C and the default value is 0C.This function can be used when the measured value and the actual value are biased.Corrected value = measured value + set value. If the current measured temperature is 25.8 degrees Celsius and the correction value is -0.2 degree, the actual value shown after the return is 25.8-0.2, which is 25.6 degrees Celsius.
9>.P5:Delay Time.The set range is 0-10minute.Output will delay 5minute then begain to start if user set 5minute delay when Real-Time temperature get out of set temperature range.
10>.P6: High Temperature Alarm. When the real-time temperature is higher than this value, prompt alarm and screen flashing.It will turn OFF output automatically at heating mode.It will keep output at cooling mode.
11>.P7:Lock Parameter.User can not change parameter if turn ON this set parameter.
12>.Heating Mode:Module will output if the Actual Temperature Value is less than Set Temperature Value - Return Temperature Value.Heating equipment starts working and raises ambient temperature if module connect a heating equipment.
13>.Cooling Mode:Module will output if the Actual Temperature Value is more than Set Temperature Value + Return Temperature Value.Cooling equipment starts working and raises ambient temperature if module connect a cooling equipment.
1>.Please don't overload.
2>.Display LLL means module is not connected to sensor.
3>.Displya HHH means the wire of sensor is short circuit or real time temperature out of set temperature range.
4>.Keep press button UP and DOWN more than 5 second at the same time to restore factory settings.
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