Thermostat W1209 -50-110C 12V Red

. Power supply 12VDC. 10K NTC sensor cable length: 50cm When the power is turned on, the display will show the currently measured temperature. To enter the programming system, hold down the SET button for about 5 seconds. select programming mode P0 - P6 using the + and - buttons. entering the selected mode is confirmed with the SET button. confirm the selected value with the SET button. Programs: P0 - select C or H (cooling or heating). P1 - hysteresis: 0.5 - 15 °C. P2 - upper temperature limit from -45 °C to 110 °C. P3 - lower temperature limit from -50 °C to 110 °C. P4 - thermometer calibration from -7 °C to 7 °C (adjust when temperature measurement is wrong). P5 - relay activation delay time from 0 min to 10 min. P6 - excessive temperature alarm from 0 to 110 °C. Pressing the + and - buttons and turning on the power supply voltage at the same time resets to factory settings!.