Kobold DON -2/4, Operating Instructions Manual

Page: 38 / 65

DON
page 38 DON K36/1222
16. Use in Ex areas
16.1 General information
The flow meter is intended for commercial systems and may only be used in
accordance with the information in the technical documentation from Kobold and
the information on the nameplate. It is operated exclusively together with certified
products via an intrinsically safe circuit. They correspond to the applicable
standards and regulations. The installation regulations (e.g. EN 60079-14) for
systems in potentially explosive areas must be considered.
16.1.1 General safety information
The flow meter corresponds to the state of the art and is operationally safe. The
flow meter can bear a residual risk if it is used and operated improperly by untrained
personnel. Every person who is entrusted with the installation, commissioning,
maintenance or repair of the flow meter must have read and understood the
assembly instructions and in particular the safety instructions.
a) When selecting a product and using it as intended, follow the general rules of
technology.
b) All connected electrical and mechanical equipment must be suitable for the
respective application.
c) Observe the information in these operating instructions as well as the
conditions of use and permissible data that appear on the imprints /
nameplates of the respective products.
d) It must be ensured that only the product types of protection that correspond to
the zones are installed!
e) The product is only approved for appropriate and intended use in a normal
industrial atmosphere. Immersion in liquids is not permitted.
f) It must be ensured that no falling objects can hit the product. If there is a risk
of impact sparks, external housing parts made of light metal must be installed
in a protected manner.
g) The operator must ensure lightning protection for the entire system in
accordance with local regulations.
h) It is the responsibility of the installer to ensure that the flow meter functions
properly in connection with the individual evaluation devices and that it is
approved for the intended purpose.
i) A safe to operate and non-critical medium is elementary for this type of
protection and must be strictly adhered to!
16.1.2 Intended use
a) To ensure safe operation, the products may only be used in accordance with
the information in the assembly instructions. When using the device, the
legal and safety regulations required for the respective application must also
be considered. This also applies analogously to the use of accessories.