SL5101 calorimetric sensor detects air flow below or above a specified threshold in 1 to 10 m/s range and its output is a normally-open relay contact. The sensor needs a 24VDC power supply.

- Sensor parameters
Function: The output relay contact closes if the airflow exceeds a specified threshold
Power supply: 24VDC ± 25 %, 1VA
Dimensions: L=140mm, Ø=23mm
Fitting: A mounting bracket is included (photo)

- Input
Temperature gradient: 5K/min
Pressure resistance: 1bar
Gas temperature: -10...50°C
Configurable range: 100...1000 cm/s
Highest sensitivity: 100...400 cm/s
Max. allowed relative air humidity: 90%
Threshold configuration: Potentiometer
Power-on delay: 60s
Response time: 3...60s
Ambient temperature: -10...50 °C

- Output
Contact rating: 3A (30 VDC / 250 VAC)
Cover: IP 65
Cover material: PBT (Pocan)
Active sensor area material: Titanium
Function indicators: LED 1 x red; 1 x green
Cables: PUR /