W1209 Mini thermostat Temperature controller Incubation thermostat temperature control switch
Temperature control range: -50 ~ 110 ° C
Resolution: -9.9 to 99.9 is 0.1° C , 1 ° C temperature ranges other
Measurement Accuracy: 0.1 ° C
Control accuracy: 0.1 ° C
Hysteresis accuracy: 0.1 ° C
Refresh rate: 0.5 S
Input Power: DC12V
Measuring inputs: NTC (10K 0.5%) Waterproof sensor 0.5M
Output: 1 Channel relay output, capacity = 10A Max
Environmental requirements: -10 ~ 60 degree Humidity 20% -85%
Size: 48 (L) * 40 (W) * 14 (D) mm
Power consumption: Static current
Settings and User Guide :
To set any parameter first long press the 'SET' button for at least 5 seconds. The seven segment
display should now display 'P0'. This represents parameter P0. Pressing the '+' or '-' buttons will cycle
though the various parameters (P0 to P6). Pressing the 'SET' button whilst any of there parameters
are displayed will allow you to change the value for that parameter using the '+' and '-' buttons (see
below). When finished setting a parameter press the set button to exit that option. If no buttons are
pressed for approximately 5 seconds the thermostat will exit the parameter options and will return
back to the default temperature display.
P0 : Setting the cooling or heating parameter
The parameter P0 has two settings, C and H. When set to C (default) the relay will energise when the
temperature is reached. Use this setting if connecting to an air-conditioning system. When set to H
the relay will de-energise when the temperature is reached. Use this setting if controlling a heating
P1 : Setting the hysteresis parameter
This sets how much change in temperature must occur before the relay will change state. For
example if set to the default 2oC and the the trigger temperature has been set to 25oC, it will not deenergise until the temperature falls back below below 23oC. Setting this hysteresis helps stop the
thermostat from continually triggering when the temperature drifts around the trip temperature.
P2 : Setting the upper limit of the thermostat parameter
This parameter limits the maximum trigger temperature that can be set. It can be used as a safety to
stop an excessively high trigger temperature from accidentally being set by the user.
P3 : Setting the lower limit of the thermostat parameter
This parameter limits the minimum trigger temperature that can be set. It can be used as a safety to
stop an excessively low trigger temperature from accidentally being set by the user.
P4 : Setting temperature offset correction parameter
Should you find there is a difference between the displayed temperature and the actual temperature
(for instance if the temperature probe is on a long run of cable) you can make minor corrections to
the temperature reading with this parameter.
P5 :Setting the trigger delay parameter
This parameter allows for delaying switching of the relay when the trigger temperature has be
reached. The parameter can be set in one minute increments up to a maximum of 10 minutes.
P6:Setting the high temperature alarm parameter
Setting a value for this parameter will cause the relay to switch off when the the temperature
reaches this setting. The seven segment display will also show '---' to indicate an alarm condition. The
relay will not re-energise until the temperature falls below this value. The default setting is OFF.
Instalation Diagrame :
Package Contains :
1PC W1209 incubater tempratur controller
1PC temperature sensor with cord
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