Ametek Land Cyclops 390L - Fitting and Using a Long Eye Relief (LER) Adaptor; Instructions for Installation; LER Adaptor

12 - 3
Cyclops LPortable Thermometers
User Guide
12.3 Fitting and Using a Long Eye Relief (LER) Adaptor
TheCyclopsLongEyeRelief(LER)adaptor(804685)is
anaccessorywhichenablesCyclopsthermometerusers
tobeabletoseethefulleldofview,themeasurement
circleandtheinternaltemperaturedisplay,whilstthe
rearoftheinstrumentisbeingheldawayfromtheeye.
Thisisintendedforuserswearinghelmets,gogglesor
othereyeprotectiondevices.
Note
BeforeinstallingtheLERadaptor,examinethesmallerdiameterendofthe
unitandensurethatthereisaglassdiscapproximately2mminfromthis
end.Theplaneoftheglassdiscisosetatasmallangle(~10°)relative
totheopticalaxis(SeeFig.12-7).
Theglassdiscisaninfraredabsorbinglterandisessentialforeyesafetywhen
viewingveryhottargets.
12.3.1 Instructions for Installation
1) Unscrewthefocusadjustableeyecupanti-
clockwisetoextendtheeyepiecelengthas
faraspossibleawayfromthemainbodyof
thethermometer(Fig.12-8).
2) Usingthescrewdriverincludedwiththekit,
loosenandremovethe3xM2,pointedend
grubscrewssecuringtheeyecupholderto
theeyepiecebody(Fig.12-9).
3) Lifttheeyecupawayfromtherearofthe
eyepiece.Keeptheeyepieceinasecure
location,forpossiblefuturere-tting
4) InsertthenewLERadaptorintotheendof
theeyepieceandrotateuntilthe3body
indentationsarealignedwiththescrew
holes(Fig.12-10).
Glassdisc
Fig.12-7LERAdaptor
Fig.12-9
Fig.12-8