Greenhouse temperature and humidity control temperature and humidity incubator breeding intelligent temperature and humidity control temperature and humidity price sterile room temperature and humidity requirements for archive clean room monitoring temperature and humidity control temperature and humidity requirements for the number of program temperature and humidity table summarizes: temperature and humidity control is the temperature and humidity measurements, monitoring instruments, mainly used in the need to control the temperature and humidity of the place. Temperature and humidity controller includes a variety of specifications, can control various parameters of temperature and humidity. Hot resistance Pt100: changes by resistance temperature by sensing changes in temperature transmitter: 1. Confirm different resistance calculated based on the current temperature 2. And then the range transmitter output signal corresponding to the standard hot resistance (4-20mA ) values ??namely: the temperature change - Thermal resistance - resistance change - temperature transmitters -4 ~ 20mA signal range for Pt100: -199.9 ° -600.0 ° temperature transmitter put the corresponding signal is converted to a standard. The 4mA is 600.0 ° -199.9 ° 20mA is confirmed by the size of the transmitter output current can know the current temperature value characteristic: the use of capacitive humidity sensor, the higher the temperature, humidity accuracy, wide range, fast response applies barn, distribution cabinet, box change equipment, grain storage, warehouse, room, farming, textiles and other occasions, heating, humidification, cooling, dehumidification any combination of four kinds of output mode