Heath Consultants Gas Delivery Unit (GDUnet) - Manual (Page 70)

USER HANDBOOK
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3.6.2.2 Zero Air Limit
range and will record a ‘Pass’ if the reading is within this amount
of zero, or 20.9 for oxygen.
To edit ‘Zero Air Limit’ value, highlight existing value in window
then type new value.
3.6.2.3 Gas Limit
The software opts for the higher value in either the Fixed Margin
it will record a ‘Pass’ if the reading is within this amount of the
gas concentration .
highlight existing value in relevant window then type new value.
3.6.2.4 Gas Application Accuracy
This feature allows the user to set the gas application time, for
each selected gas range, as Fast, Medium or Slow. Note that
the longer the instrument cell has to react, the more accurate
the readings obtained.
The actual application time values can be edited in paragraph
3.6.2.5.
To edit the ‘Gas Application Accuracy’ for any gas listed in ‘Range’
window, highlight the required gas range, then select accuracy
setting using
to display Fast, Medium or Slow options.
3.6.2.5 Gas Application Time
As detailed in paragraph 3.6.2.4, the gas application accuracy
can be set as Fast, Medium or Slow. The ‘Gas Application Time’
feature allows a time value, in seconds, to be applied to each.
Note that the entered value is independent of gas range
highlighted in ‘Range’ window.
To edit Fast, Medium or Slow time value, highlight existing value
in window then type new value.