-50-110°C W1209 Digital Thermostat Temperaturregler Schalter 12V + Sensor
3,40 €
Refresh rate: 0.5S. LED: Shows LL is the sensor open, showing ?. HH is out of range, the thermostat will be forced to close the relay, the display --- as high temperature protection. Note : Relay output interface is a switch, when it working ,these two ports are connected.
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