BS ISO 19891-1:2017
Current
The latest, up-to-date edition.
Ships and marine technology. Specifications for gas detectors intended for use on board ships Portable gas detectors for atmosphere testing of enclosed spaces
Hardcopy , PDF
English
11-09-2017
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Specification of portable gas detectors for
atmosphere testing of enclosed spaces
Gives 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.
| Committee |
SME/32
|
| DevelopmentNote |
Supersedes 16/30344890 DC & BS PD ISO/PAS 19891-1. (09/2017)
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This document 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.
This document 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.
NOTE1 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.
NOTE2 Iso-butane is an alternative calibration gas of portable gas detectors in measuring propane and butane.
This document does not give any indication of toxicity of the flammable gases.
| Standards | Relationship |
| ISO 19891-1:2017 | Identical |
| IEC 60092-504:2016 | Electrical installations in ships - Part 504: Automation, control and instrumentation |
| IEC 60529:1989+AMD1:1999+AMD2:2013 CSV | Degrees of protection provided by enclosures (IP Code) |
| IEC 60079-29-2:2015 RLV | Explosive atmospheres - Part 29-2: Gas detectors - Selection, installation, use and maintenance of detectors for flammable gases and oxygen |
| IEC 60079-0:2011 | Explosive atmospheres - Part 0: Equipment - General requirements |
| IEC 60533:2015 | Electrical and electronic installations in ships - Electromagnetic compatibility (EMC) - Ships with a metallic hull |
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