
AppendixAEquipmenthandling
Temperatureprotection
Iftheunitmustbeprotectedagainstextremesoftemperature,thecarton/cratemustbe
linedonallwalls,baseandlidwith5cmthickpolyurethaneorpolystyrenefoam.These
unitswillbeidentiedasdelicateintheapplicabledocumentation.
Thepackagemustthenbeclearlymarked:
Mustnotbetransportedorstoredintemperaturesbelow-5degreesCelsius.
Otherunitscannormallybestoredintemperaturesbetween-30°Cand+70°C,referto
thesystem’stechnicalspecicationsfordetails.
Note
Unlessotherwisespecied,transducersmustnotbestoredintemperaturesbelow-20°C
andabove+55°C.
Circuitboardhandlingandpackaging
Circuitboardsaredelicateitems.Theymayworkyearafteryearinanadvancedproduct,
butthenfailduetoasmallsparkofstaticelectricity.Forthisreason,itisveryimportant
thattheyareproperlyhandledandprotectedduringshipping.
BewareofESD!
Whenyouhandleelectroniccircuitboards,youmustbewareofthedangersof
electrostaticdischarge(ESD),bothtoyourselfandtotheequipment.Inordertoensure
safetransportandstorage,circuitboardsandotherelectronicunitswillalwaysbe
wrappedinaclearplasticprotectivebag,andthebagwillbesealed.Seealsosection
Electro-StaticDischarge(ESD)onpage198.
Unpackingandhandlingcircuitboards
Observethefollowingstepstounpackacircuitboard.
1Whereverpossible,prepareasuitableworkbench.Itmusthaveanapproved
conductiveservicemat,anditmustbeconnecteddirectlytoareliableearthpoint
viaitsearthingcord.Youmustwearawristbandindirectcontactwiththeskin,and
thewristbandmustbeconnectedtotheservicemat.
2Liftthecircuitboard,initsprotectivebag,outofthecartonandplaceitinastable
positionontheaoor/workbench.
3Inspecttheunitfordamagebeforeyouopentheplasticbag.
4Donotbreakthesealtoopenacircuitboardpackagebeforetheboardshalltobe
used.Iftheboardpackageisreturnedwiththesealbroken,wewillassumethatthe
contenthasbeenused,andwewillbillyouaccordingly.
5Assumingalliswell,openthebagandremovetheunit.
6Takeoutandkeepthedocumentation.Youwillneeditifthecircuitboardshallbe
returnedtous.Also,removeanypackinganddesiccantmaterialthatmaybeinside.
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