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.
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