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For Your Safety
Ensure that this Operating Manual is read and understood BEFORE installing / operating /
maintaining the equipment. Pay particular attention to Warnings and Cautions. All document
Warnings are listed here and repeated where appropriate at the start of the relevant
chapter(s) of this Operating Manual. Cautions appear in the sections/sub-sections of the
document where they apply.
Strictly Follow the Instructions for Use
Any use of the detectors requires full understanding and strict observation of these
instructions. The detector is only to be used for purposes specified here.
Maintenance
It is recommended to obtain a service contract Prosense to carry out all repairs. Only
authentic Prosense spare parts should be used for maintenance. Please check "Maintenance"
section for more details.
Use in Areas Subject To Explosion Hazards
Equipment or components which are used in potentially explosive atmospheres and have
been tested and approved according to international or European regulations may be used
only under the conditions specified here. Modifications of components or the use of faulty or
incomplete parts are not permitted. In case of repairs of equipment or components, the
national regulations must be observed.
Liability for Proper Function or Damage
The liability for the proper function of the detector is irrevocably transferred to the owner or
operator to the extent that the detector is serviced or repaired by personnel not employed or
authorized by Prosense or if the sensing head is used in a manner not conforming to its
intended use. Prosense 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 Prosense are likewise not modified by the recommendations given above.
Intended Use
The PC3 series detectors are intended to be used for stationary, continuous monitoring for
combustible and toxic gas/air or vapour/air mixtures and oxygen under atmospheric
conditions. According to the ATEX Directive 2014/34/EU the device category is III. Thus this
detector is suitable to be operated in Zone 2.
Hazardous area classifications:
Zone 0: An area classified as Zone 0 will have ignitable concentrations of flammable gases,
vapours or liquids either continuously present or present for long periods of time under
normal operating conditions
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PRS-UM-PC3-EN-Rev.04-06.2020
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