Description: Product model: W3230 Power supply voltage: Dc5V/12V/24VAC10-200V Resolution: 0.1 at - 9.9~99.9, other temperature range 1 Temperature control range - 50 ~- 110 C Measurement accuracy: 0.1C Detection probe: NTc waterproof probe 1m Control accuracy: 0.1C Output capacity: 1 relay output capacity 20A Environmental requirements: - 10 C~60 humidity 20%~85% Specification and size: 79mm * 43mm * 26mm Product weight: 44.3g Specifications: Precision temperature controller Accurate temperature measurement, easy to operate. Suitable for various voltages. Usage method After the power supply and equipment are connected, the controller can be powered. At this time, the display shows the measured temperature. Press the SET key once, the display screen temperature will flash. Press+to set the required temperature (press+- to quickly rise and fall). After the setting is completed, press SET to confirm and return. At this time, the controller will automatically execute the relay disconnection according to the setting! The output of the thermostat is a 20A relay, which meets various high-power loads. After connecting the control circuit, the thermostat can be powered. At this time, the display shows the ambient temperature. Indicator light, nixie tube and buzzer status description indicator light: flashing indicates the delay of cooling or heating start, and constant light indicates the relay is closed nixie tube: display LL indicates the sensor is open, please connect the sensor according to the instructions; The display HH is beyond the measurement range, and the thermostat will forcibly disconnect the relay; Display - high temperature alarm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.