
R
WE A T HERINS T RUMEN T S
ElectricalDamage-CommonCauses&RecommendedPrevention
Electricaldamagecanbecausedbymanydifferentfactors.Belowaresomeofthemorecommoncausesand
somesuggestedmethodsofminimizingpotentialproblems.
CommonCauses:
Storm Activity
PowerSurges
Yourself
-lighteninginyourareacandodamagetoyourinstrumentsindifferentways. Theobvious
wayisduetoadirectornearbystrike.Inaddition,lighteningstorms,duststorms,drysnowstormsand
strongdrywindscanallcausestaticelectricitytobuilduponandaroundyourexternalsensors.Regardless
ofthecause,thisbuiltupelectricityitselfthroughthecableconnectingtheexternalsensorsto
theinstrument.
- A surgemaycomefromtheelectriccompany’sswitchinggeneratorsorpowergrids,from
localindustriesorafterpowerinterruptionwhenaccumulatedpowersuddenlysurgesbackthrough AClines.
Eventheon-and-offswitchingoflargeelectricalappliances,suchasrefrigeratorsorclothesdryerscan
createdamagingfluctuations. Thisisespeciallytruewithsensitiveweatherrecordingdevices.
- Areyouconstantlygivingand/orreceivingashockeverytimeyoutouchadoorknoborother
person?Ifso,youhaveagreatdealofstaticelectricityinyourenvironment.Ineithercase,itispossiblefora
persontocarryenoughofachargetodamageaninstrument.
RecommendedPrevention:
UseSurgeProtectors
Discharge Yourself
-forthe ACadapter,aUL 1449ratedsurgeprotectorwithEMI/RFIfilteringis
recommended. Thisratingwillbeclearlylistedonthepackagingofallgoodqualitysurgeprotector.
-Iftheinstrumentsarelocatedinanenvironmentwherestaticelectricityisaproblem,
makesurethatyoudischargeyourselfbeforetouchingtheinstrument(s). Theshockthatyougetfrom
touchingadoorknoboranotherpersoncanoftenbesufficienttodamageaninstrument.
30SAMUEL BARNETBOULEVARDNEWBEDFORD,MASSACHUSETTS02745U.S.A.
TEL.508.995.2200WWW.MAXIMUM-INC.COMFAX800.989.2580
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