Humidity and Temperature Controllers

Humidity and temperature controllers are devices that display the relative humidity and ambient temperature read from the sensor and switch output contacts on and off according to their setpoints; they are selected by supply voltage, mounting style, sensor structure, number of outputs and communication needs. They are used in incubators, greenhouses, drying rooms, warehouses and air conditioning systems to switch a heater, cooler, humidifier or dehumidifier on and off. The category includes the digital and sensor-equipped models of the Enda EHTC series and GEMO and Tense devices; options with 230 V AC, 90-250 V AC and 10-30 V DC / 8-24 V AC supply and RS485 Modbus communication are available. In ON-OFF operation, hysteresis determines the difference at which the output switches on and off around the setpoint. The sensor does not come with the device in every model; for the Enda EHTC7425A, the manufacturer states that the sensor must be ordered separately. A controller with only a temperature input cannot measure relative humidity, and a humidity and temperature transmitter gives a measurement signal without switching a load; neither is a substitute for these devices.

Products

How to choose Humidity and Temperature Controllers

Humidity and temperature controllers are devices that display the relative humidity and ambient temperature read from the sensor and switch output contacts on and off according to their setpoints; they are selected by supply voltage, mounting style, sensor structure, number of outputs and communication needs. They are used in incubators, greenhouses, drying rooms, warehouses and air conditioning systems to switch a heater, cooler, humidifier or dehumidifier on and off.

  • Separate sensing, motion control, logic processing and operator interface requirements.
  • Select signal type, supply voltage, communication protocol and I/O count for the machine network.
  • Verify housing size, sensing distance and PNP/NPN output polarity against the PLC input card.

Frequently asked questions

What is Humidity and Temperature Controllers and where is it used?

Humidity and temperature controllers are devices that display the relative humidity and ambient temperature read from the sensor and switch output contacts on and off according to their setpoints; they are selected by supply voltage, mounting style, sensor structure, number of outputs and communication needs. They are used in incubators, greenhouses, drying rooms, warehouses and air conditioning systems to switch a heater, cooler, humidifier or dehumidifier on and off.

What should I compare when choosing Humidity and Temperature Controllers?

Humidity and temperature controllers are devices that display the relative humidity and ambient temperature read from the sensor and switch output contacts on and off according to their setpoints; they are selected by supply voltage, mounting style, sensor structure, number of outputs and communication needs.

Where can I find technical details for Humidity and Temperature Controllers products?

The sensor does not come with the device in every model; for the Enda EHTC7425A, the manufacturer states that the sensor must be ordered separately.

Humidity and Temperature Controllers Selection Guide: Technical Criteria & Application Standards