Inlet SystemsSplit/splitless capillary inlet113The split ratio is an indicator of the fraction of total sample entering thecolumn: the higher the value, the less sample enters the column.For setting flow for split sampling, see Chapter 4 of the HP 5890Operating Manual.Verifying inlet purge statusVerify that inlet purge flow is currently on, and will remain onthroughout runs to be made in split sampling mode.C To display current inlet purge status:PURGE/VALVE A ( or B )If OFF is displayed, press ON to restore inlet purging.C To display elapsed time during a run when inlet purging will behalted:PURGE/VALVE A ( or B ) TIME OFFC To display elapsed time during a run when inlet purging will berestored:PURGE/VALVE A ( or B ) TIME ON(or ON alone if PURGE TIME is already displayed)For split sampling, both times should be set to 0.00 and inlet purgingmust currently be ON. If necessary, this is done simply by pressing 0ENTER when PURGE TIME OFF (or ON) is displayed.
