Ametek LAND LSP HD Series - 3.3 Air Requirements (Air-Purged; Cooled Units Only); Air Supply Quality Caution

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User GuideLSPHD Linescanner Head
3.3 AirRequirements(Air-Purged/CooledUnitsOnly)
If the LSPHDLinescannerHeadistobeusedinanenvironmentwherehigh
concentrationsofdustarelikelytobeencountered,theAMETEKLandAir Purge
Baseplatemountingaccessorymustbeused.Thebaseplateincorporatesacrossow
purgeforthescannerwindow.Thepurgeisdesignedtokeepthewindowfreefrom
dust particles, it will not clear the instrument sight path.
ConnecttheairsupplyviatheG3/8threadedholeattheendofthemountingplate.
Ifpossible,ensurethattheairpurgeexitdirectionisdownwards.Makesurethatair
purgeexitisnotimpededbymountingstructures.
Theairpurgeowratedependsuponlocalconditionsoftheinstallationandscanner
orientation,butarateof300litresperminute/12.36ft³perminuteataninlet
pressureof1.4psi/1mWGistypicallysufcient.
CAUTION
Tominimisetheriskofpermanentdamage,useahighqualityairsupply.
Theairusedmustbedryandfreefromoil.
Air supply
Air purge direction
Restriction of purge air
by obstruction in this
area
Fig. 5 Air Purge