W3230 12v Temperature Controller

• Multi-mode: LED Digital Temperature Controller can choose cooling or heating mode.
• Limits: W3230 Digital Temperature Controller can set the highest/lowest upper temperature to avoid accidents.
• Keep the temperature constant: Thermostat Switch Sensor Meter has an automatic start to cool or heat to keep the temperature constant.
• Calibration Temperature: Thermostat Switch Sensor Meter can be use for temperature calibration and temperature calibration as require.
• Alarm: High temperature alarm. When the temperature of digital Temperature Controller reaches the set temperature, the controller alarms.
• The temperature control output is a 10A relay, which can meet various high-power loads. Please make sure the circuit is correct.Indicator light, digital tube status:Indicator light: off means the relay is disconnect, and on means the relay is close

  Digital tube: display “– –“,