Air flow monitor for monitoring a minimum volume flow in ventilation systems. Length of the sensor cable: 2.5 m. If the sensor cable is laid in cable ducts, shielded cables must be used. The sensor detects the air flow and compares it with the setpoint value of the control unit. Control unit: Installation on 35 mm profile rail. With LED function display of relay output and nominal voltage. Selector switch for working and closed current function. With potential-free output via changeover contact, e.g. for operating or fault messages. Article: LW 9, Min. flow speed: 1 m/s, Max. flow speed: 20 m/s, Rated voltage: 230 V, Mains frequency: 50 Hz / 60 Hz, Maximum load (inductive load): 2 A, Maximum load (ohmic load): 5 A, Protection class: IP 10, Installation location: Duct, Weight: 0.343 kg, Weight with packaging: 0.455 kg, Width: 35 mm, Height: 90 mm, Depth: 65 mm, Width with packaging: 320 mm, Height with packaging: 115 mm, Depth with packaging: 95 mm, Conveyor temperature at rated current: -20 °C to 80 °C, Ambient temperature: 60 °C, Suitable for box fans: yes, Suitable for roof fans: yes, Suitable for duct fans: yes, Suitable for Heat recovery systems: yes, Suitable for wall-mounted fans: no, Suitable for wall-mounted fans: no, Suitable for residential fans: yes, Suitable for centrifugal fans: no, Suitable for circulation fans: no
| Property | Value |
| With display: | yes |
| Protection class (IP): | IP10 |
| Explosion-proof: | no |
| Height: | 90 mm |
| Width: | 35 mm |
| Depth: | 65 mm |
