Honeywell ERX, User Manual, Page: 45 / 84

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The last recorded measurement of gas temperature and is scaled to the selected
temperature units at 551.
Default: -40.00
503 Case Temperature
The last recorded measurement of the air temperature inside the recorder, considered an
ambient temperature measurement.
Default: -40.00
504 Case Maximum Temperature
The highest recorded case temperature measurement since the recorder was last reset.
Default: -40.00
505 Case Minimum Temperature
The lowest recorded case temperature measurement since the recorder was last reset.
Default: 165.00
506 P1 Pressure Calibration Zero Offset
The most recent span value for P1 pressure transducer and obtained during a pressure
span calibration. A value that is normally very close to 1.0000 and recalculated on each
Pressure Span Calibration
.
Default = 0.000
507 P1 Previous Calibration Zero Offset
The previous P1 span factor recorded in item 506 and is updated on each calibration.
Default: 0.000
508 P1 Pressure Calibration Span Factor
The most recent span value factor for P1 pressure transducer and obtained during a
pressure span calibration. The value is normally very close to 1.0000 and recalculated on
each pressure span calibration.
Default = 1.0000
509 P1 Previous Calibration Span Factor
The previous P1 span factor recorded in item 508 and is updated on each calibration.
Default: 1.0000
510 P2 Calibration Zero Offset
The most recent span value for P2 pressure transducer and obtained during a pressure
span calibration. A value that is normally very close to 0.0000 and recalculated on each
Pressure Span Calibration
.
Default: 0.0000
511 P2 Previous Calibration Zero Offset
The previous P2 zero offset value recorded in item 510 and is updated on each
calibration.
Default: 0.0000
Item Item Name & Description
512 P2 Pressure Calibration Span Factor
The most recent span value factor for P2 pressure transducer and obtained during a
pressure span calibration. The value is normally very close to 1.0000 and recalculated on
each pressure span calibration.