BS EN 50056:1999
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Electrical apparatus for the detection and measurement of combustible gases. Performance requirements for Group I apparatus indicating up to 100% (V/V) methane in air
Hardcopy , PDF
01-10-2021
English
15-01-1999
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Foreword
1 Scope
2 Normative reference
3 Definitions
4 General requirements
5 Performance requirements
5.1 General
5.2 Unpowered storage
5.3 Calibration curve (not applicable to alarm-only
apparatus)
5.4 Drift (continuous duty apparatus)
5.5 Drift (spot reading apparatus)
5.6 Alarm
5.7 Temperature
5.8 Pressure
5.9 Humidity
5.10 Air speed
5.11 Pumping rate
5.12 Orientation
5.13 Vibration (applicable only to machine-mounted
apparatus)
5.14 Drop test (applicable to portable apparatus and
remote sensors)
5.15 Warm-up time (not applicable to spot-reading
apparatus)
5.16 Time of response (not applicable to spot-reading
apparatus)
5.17 Minimum time of operation (spot reading apparatus)
5.18 High gas concentrations above the measuring range
5.19 Battery capacity
5.20 Power supply variations
5.21 Power supply interruptions, voltage transients and
step changes of voltage
5.22 Addition of sampling probe
5.23 Dust
5.24 Poisons and other gases
5.25 Electromagnetic immunity
6 Field calibration kit
7 Information for use
Describes performance requirements for Group I (as defined in European Standard EN 50054) portable, transportable and fixed apparatus for detection and measurement of methane concentrations in mine air. The apparatus, or parts thereof, are designed for use in mines susceptible to firedamp and comply with requirements and test methods specified in European Standard EN 50054. Limited to apparatus detection and measurement of volume ratios of methane in air from 0% (V/V) up to 100% (V/V).
| Committee |
EXL/31
|
| DocumentType |
Standard
|
| Pages |
8
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| NF EN 50056 : 92 AMD 1 98 | Identical |
| I.S. EN 50056:1998 | Identical |
| EN 50056:1998 | Identical |
| DIN EN 50056 : 1999 | Identical |
| UNE-EN 50056:1999 | Identical |
| NEN EN 50056 : 1998 | Identical |
| NBN EN 50056 : 1998 | Identical |
| BS EN 1532:1997 | Installation and equipment for liquefied natural gas. Ship to shore interface |
| BS 6164:2001 | Code of practice for safety in tunnelling in the construction industry |
| EN 50054:1998 | Electrical apparatus for the detection and measurement of combustible gases - General requirements and test methods |
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