| coveringPetrolStationArea |                             Boolean
 |                     8 |                                 Indication, if this detector also covers the area of a petrol station. |         
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                            | dedicatedAccess |                             Reference
 |                     2 |                                 Specifies a reference to an access, object (i.e. an entrance, an exit or both). A Point location and further characteristics can be specified for those objects. |         
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                            | lastCalibration |                             DateTime
 |                     6 |                                 Date of last calibration of the detection system in question. |         
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                            | measuredValueIndex |                             NonNegativeInteger
 |                     1 |                                 If a measurement site is specified, the index of the measured value can be specified here. |         
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                            | measurementSiteReference |                             VersionedReference
 |                     0 |                                 A reference to a versioned measurement site record defined in a Measurement Site table. |         
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                            | measurementTimeDefault |                             DateTime
 |                     3 |                                 The time associated with the set of measurements. It may be the time of the beginning, the end or the middle of the measurement period. |         
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