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WITT-GASETECHNIK GmbH & Co KG
Gas Safety- & Control Equipment
All piping, tubing, and fittings shall be tested and proved leak tight on a regular schedule (e.g.
during every start-up) with inert gas to prevent the intake of ambient air during the measure-
ment. If a leak is detected, the defective item shall be immediately removed from service and
no employee may use it until repairs and tests necessary to render the equipment safe and
completely operative have been made. All repair shall be performed by personnel familiar with
proper practices only. When performing repair on the equipment the applicable national safety
and health regulations must be observed.
Please check also the sample gas supply lines.
Any operation not conforming to the intended purpose can result in hazardous operating conditions
which may lead to serious personal injury and / or loss or damage of equipment. Examples for op-
eration not conforming to the intended purpose are given below:
Use of the analyser with any other gases than those expressively listed in the Technical Data.
Use of the analyser with liquids.
Use of the analyser at ambient temperatures exceeding the temperature range specified in the
Technical Data.
Use of the analyser at gas inlet temperatures exceeding the temperature range specified in the
Technical.
The installation and operation of the analyser in areas with an explosion hazard.
The warranty granted for the gas analyser shall be invalidated in case of any unauthorised or im-
proper modifications, or addition or removal of parts onto the product, without expressive written
authorisation from WITT-GASETECHNIK.
3.2 Measurement of burnable gases
Caution!
When gas mixing units for flammable gases are use, the Explosion Protection Guidelines
(EX-RL) must be complies with.
Measurement of burnable gas / air mixtures is only allowed, if their composition doesn’t ex-
ceed the lower explosion limit (LEL).
We recommend to protect the analysis gas source by using a flashback arrestor in addition.
3.3 Liability for proper function or damage
The liability for the proper function of the instrument is irrevocably transferred to the owner or oper-
ating organisation to the extent the instrument has been serviced or repaired by personnel not em-
ployed or authorised by WITT-Service or when the instrument was used in a manner not conform-
ing to its intended use, or if the operation did not follow the applicable national health and safety
regulations.
WITT-GASETECHNIK GmbH & Co KG cannot be held responsible for damages arising from failure
to observe these operating instructions.
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