SI Analytics ATEX 100a Mode D'emploi page 17

Warning:
The chemical sensors referred to above may be used in areas presenting a
permanent, long-term or frequent explosion hazard (Category 1). Prior to installation,
the installation site is to be inspected in view of its explosion hazard, and the
suitability of the chemical sensors has to be established.
Warning:
Any improper installation or operation of a chemical sensor may impair explosion
protection and thus entail the ignition of an explosible atmosphere. Therefore, the
following items are to be adhered to strictly in case of their use in areas in which an
explosion hazard is present:
- The installation of chemical sensors in areas with an explosion hazard must only
be performed by electrotechnical specialists according to the relevant regulations
and the electrical connection data of the present safety information.
- These devices are to be installed, put into operation and operated according to the
instructions given in the related operating manual.
- Compliance with the IP 67 protection type is to be ensured by an assembly process
on an appropriate quality level, the application of the HD disc and the use of
undamaged O-rings.
Attention:
When installing the chemical sensor, please note its technical data.
- The connection cable to be used to connect the chemical sensor to the
measurement transducer should be ready for being connected to a terminal strip of a
measurement transducer with a high-ohmic pH input. For all further information,
please refer to the operating instructions of the measurement transducer.
- When connecting the sensor cable, please make sure to establish a perfect contact
between the shielding conductor of the sensor cable and the equipotential bonding
of the system.
- For the wiring of the plug contacts of the chemical sensor, please refer to the
operating instructions of the chemical sensor under concern.
Version: SicherheitshinweiseATEXElektroden_us_090911.doc
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