Heath-consultants Gas Delivery Unit (GDUnet) Manual de usuario descargar pdf (Pagina 70)

USER HANDBOOK

3-42

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 ed i t t h e ‘G a s Appl i ca tio n A cc u ra cy’ fo r a ny ga s l ist e d in ‘ R ang e ’

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.

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Heath-consultants Gas Delivery Unit (GDUnet) Manual de usuario Pagina 70