For Your Safety
4
For Your Safety
Strictly follow the Instructions for Use
Any use of the apparatus requires full understanding and strict observation of these instructions.
The apparatus is only to be used for purposes specified here.
Maintenance
The unit must be inspected and serviced regularly by suitably qualified persons.
Repair and general overhaul of the apparatus may only be carried out by trained service personnel.
We recommend that a service contract be obtained with DrägerService and that all repairs also be carried out by them. Only
authentic Dräger spare parts may be used for maintenance.
Observe chapter "Maintenance Intervals".
Use in areas subject to explosion hazards
Equipment and components which are used in explosion-hazard areas and which have been inspected and approved in accord-
ance with international or European explosion-protection regulations may be used only under the specified conditions. The
equipment or components may not be modified in any manner. The use of faulty or incomplete parts is forbidden. The appropri-
ate regulations must be observed at all times when carrying out repairs on the equipment or components. If the transmitter has
been installed with a suitable safety barrier, its case may be opened or the sensor may be changed while the transmitter is oper-
ating.
Accessories
Use only accessories shown in the Ordering List.
Liability for proper function or damage
The liability for the proper function of the apparatus is irrevocably transferred to the owner or operator to the extent that the appa-
ratus is serviced or repaired by personnel not employed or authorized by DrägerService or if the apparatus is used in a manner
not conforming to its intended use.
Dräger cannot be held responsible for damage caused by non-compliance with the recommendations given above. The warranty
and liability provisions of the terms of sale and delivery of Dräger are likewise not modified by the recommendations given above.
Dräger Safety AG & Co. KGaA
Caution:
— When the transmitter is installed in Ex areas zone 22 or Class II, Div. 1 & 2, Group E, F, G the opening of the housing
(inclusive sensor replacement) must not be done when connected to power (power must be turned off or the area
has to be declassified). Explosion hazard!
— If the transmitter is equipped, either when delivered or subsequently, with the relay module and/or the pump module,
the complete unit is no longer approved for use in explosion-hazard areas. The use of the Dräger Polytron 7000
equipped with a pump module and/or relay module in explosion-hazard areas is forbidden! Explosion hazard!
— Not suitable for use in oxygen-enriched atmospheres, i.e. oxygen content exceeds 21 vol. %. Explosion hazard!
Attention:
The mass flow controller of the pump must be switched on during safety-relevant measurements!
Attention:
When used in transmitters with pump module, the O
2
LS sensor (68 09 630) must always be installed at vibration-free
locations. If used in this combination, vibrations may cause the measured value to deviate outside of the permissible
range.
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