FHT20 Series Humidity and Temperature Transducer for HVAC Applications(wall-mounted) Specially designed for HVAC, the FHT20 series by Focusens is a cost effective, highly accurate and reliable solution for measuring relative air humidity and temperature. 9 The enclosure minimizes installation costs and provides outstanding / protection against contamination and condensation, thus ensuring flawless operation. The FHT20 employs the new humidity / temperature Sensirion sensor element SHT21 with excellent long term stability and resistance against pollutants. In combination with a long calibration experience, the FHT20 provides a measurement accuracy of ±3%RH and is available for wall-mounted with current, voltage output. Technical Data Parameter Measurement Range Accuracy at 25°C Stability Response power supply Output Load Sensor protection Housing material Protection grade Temperature Relative Humidity FHT20 V1.0/Modification rights reserved www.focusens.com

FHT20 Series Humidity and Temperature Transducer for HVAC Applications(wall-mounted) Connection Diagram Rload RH / T Ordering Guide SERIES 2-wire current mode 4...20mA 3-wire current mode 4...20mA 3-wire voltage mode 0...10V 3-wire voltage mode 0...5V 3-wire voltage mode 0...1V FHT20 V1.0/Modification rights reserved www.focusens.com