Specifications

EN.PM.UM13 20140227 Earth Networks Weather Station Page 10 of 47
IndoorComponents
Theweatherstationindoorcomponentsareasfollows:
EarthNetworksNetworkAppliance(ENNA)
LCDDisplay
OptionalAuxiliaryTemperatureSensor
EarthNetworksNetworkAppliance(ENNA)
TheENNAisamicroprocessorcontrolledcomputerwithbatterybackupthatuses
yourexistinghighspeedinternetconnectiontotransmitweatherdataouttothe
EarthNetworksWeatherBugnetwork.ItreceivesliveinputfromtheTRHsensorand
optionalLightningequipment,processesandstoresthedata,anddistributesit.The
ENNA
alsohousesthebarometricpressure,indoortemperature,andoptional
auxiliarytemperaturesensors.
FRONTOFENNA
TheENNAstoresdataatadefaultrateofonceperhour.Uptofourmonthsofdataat
theonehourintervalisstoredintheENNA.
TheinternalbatterybackupoftheENNApreventsdatalossduringpoweroutages
forupto10hourswhenpoweringjusttheweatherstation,and4hourswhen
poweringtheweatherstationinadditiontotheoptionallightningequipment.The
ENNAisdesignedtocontinuetransmittingweatherdataduringpoweroutagesas
longasthenetworkisoperational.Oncepowerisrestored,thebatteryrecharges
andtheENNAwillautomaticallyresumesendingcurrentandhistoricaldata.
Lightningdataisnotstorediftheinternetconnectionisnotavailable.
OptionalAuxiliaryTemperatureSensor
TheENNAcanalsobeconnectedtoanAuxiliaryTemperatureSensor.Thiswirecan
beruntomeasuretemperatureinaquariums,terrariums,orotherareas.