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ISO 19891-1:2017
Ships and marine technology — Specifications for gas detectors intended for use on board ships — Part 1: Portable gas detectors for atmosphere testing of enclosed spaces
Translate name
STANDARD published on 25.7.2017
The information about the standard:
Designation standards: ISO 19891-1:2017
Publication date standards: 25.7.2017
SKU: NS-688924
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: International technical standard
Category: Technical standards ISO
The category - similar standards:
Fire protectionGeneral standards related to shipbuilding and marine structures
Annotation of standard text ISO 19891-1:2017 :
Description / Abstract: ISO 19891-1:2017 provides specifications on performance, gases to be measured, sensitivities, indications, alarm levels, protection against shock, temperature and water ingress, and testing requirements of portable gas detectors used for atmosphere testing of enclosed spaces onboard ships prior to entry into those spaces. ISO 19891-1:2017 specifies suitable portable gas detectors for compliance with SOLAS regulation XI-1/7 "Atmosphere testing instrument for enclosed spaces", and may be used for deciding whether portable gas detectors available on the market are suitable for compliance with these SOLAS requirements. NOTE 1 SOLAS regulation XI-1/7 requires appropriate portable atmosphere testing instrument or instruments to be carried onboard ships, by 1 July 2016. The SOLAS regulation requires, as a minimum, the appropriate portable atmosphere testing instrument or instruments to be capable of measuring concentrations of oxygen, flammable gases or vapours, hydrogen sulphide and carbon monoxide prior to entry into enclosed spaces. For the purpose of measurement of concentrations of flammable gases or vapours, this document specifies the flammable gas as either "methane" or "propane and butane", and requires clear marking of types of flammable gases which can be measured by the portable gas detectors. Flammable vapours/gases which are not marked cannot be measured or detected by the portable gas detector. NOTE 2 Iso-butane is an alternative calibration gas of portable gas detectors in measuring propane and butane. ISO 19891-1:2017 does not give any indication of toxicity of the flammable gases.
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