Ex protection

The battery-operated, stationary BLE Gauge  ist für den Einsatz in Bereichen mit explosiver Atmosphäre der Zone 1 ausgelegt.

The following conditions must be observed:

  • The device is designed for fixed installation and cannot be used as a portable equipment in potentially explosive atmospheres.
  • Equipment must be installed in a place with low risk of mechanical impact and shall be adequately protected from falling objects.
  • Only the manufacturer is permitted to open the housing to carry out maintenance work, which must only be completed outside the Ex area.
  • The battery must only be replaced by the manufacturer with certified identical products.
  • Only the manufacturer is permitted to replace the pressure sensor.
  • Only the manufacturer's original spare parts must be used.
  • Possible risk of electrostatic charge - use a damp or electrostatically dissipating cloth to clean the device.
  • A mounting distance of min. 50 mm must be maintained on all sides to prevent any impurities.
  • Metal enclosure of the digital pressure sensor "KELLER AG for pressure measurement technology, type: 26DEi", shall be connected to earthing system.
  • Metal holders for radio transceivers and cables shall be earthed in the course of installation.
  • The device has to be protected from UV radiation.

II 2G Ex ib IIB T4 Gb

Important: The Ex approval is only valid if the corresponding marking is provided on the type plate of the device .
Important: The certificates of conformity and any relevant test certificates from the respective authorities must be carefully observed during installation and commissioning.

1 BLE Gauge