For best performance of the LDH family of sensors, please adhere to the following guidelines.
The sensors can be mounted on 35 mm DIN rail or with M5 screws (not included).
Proper operation relies on unrestricted airflow through the sensor.
LDH290 (dual analog only)
When monitoring relative humidity only, 3-wire analog connection is required.
When monitoring temperature only, 2-wire analog connection is required.
When monitoring both humidity and temperature, follow the wiring diagram below.