Foreword
1 Scope
2 Normative references
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)
          5.15.1 Fixed and transportable apparatus
          5.15.2 Continuous duty transportable 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
          5.18.1 Non-ambiguity test
          5.18.2 Residual effect
    5.19 Battery capacity
          5.19.1 Battery-powered portable continuous duty
                  apparatus
          5.19.2 Portable spot-reading apparatus
    5.20 Power supply variations
          5.20.1 A.C. powered apparatus
          5.20.2 External d.c. powered apparatus
          5.20.3 Battery powered apparatus
    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