Airflow Alarm EX

For monitoring of the set airflow in a duct

The Airflow Alarm monitors pressure conditions in a duct. A pressure switch connected to the control box provides the signal input.

The Airflow Alarm is connected to the fan starter and automatically starts with the fan. An Alarm is trigged (Red LED light and relay terminal) when the air pressure in the duct is outside preset limits. The LED-lights are powerful enough to have good visibility at a distance. 2 independent terminals for power supply.

The pressure switch can be installed installation in ATEX zone 2 / 22, the control box shall not be installed in an ATEX zone.

The Airflow Alarm consist of control box, pressure switch, hose, inline filter, cable gland and battery.

  • Assures optimal usage of system and secured functionality.
  • Support the customer with their responsibility on air quality.
  • Comply with Health and Safety legal requirements and recommendations.
  • Continuous service and maintenance for prolonging system length of life.

Technical data
Certifications CE, EX
Protection class IP54 for control box, IP65 pressure switch
Installation Indoor
Ambient temperature range 0 - 50 C (32 F to 122 F)
Dimensions 320 x 185 x 80 mm
Weight (lbs) 3,3 + 1,5
Note Temperature range - 15 < Ta < +70 Deg. C., Input separated by double isolation, Aluminum die castinn casing, ATEX marking - II3G Ex nC IIB T6 Gc (Gas) II3D Ex tc IIIB T75°C Dc (Dust)