User's Manual

8.Specifications
N72GNSSReferenceReceiverUserGuidePage55
8.3. PHYSICAL 
Feature Specification
Size 265x143x68mm(10.4x5.6x2.7in)
Weight  2.1kg(74oz)
Operatingtemperature
Storagetemperature
‐40°Cto+65°C(‐40°Fto+149°F)
‐45°Cto+80°C(‐49°Fto+176°F)
Humidity  100%condensation
Waterproofanddust
proof
TestedtoIP67;waterprooffortemporaryimmersiontoadepthof
1m
(3.28ft)for30minutes;dustproof
Shock Designedtosurvivea1m(3.28ft)dropontoconcrete
8.4. ELECTRICAL 
Feature Specification
Powerconsumption 4Wnominal,dependentonusersettings
Internal  Integratedinternalbattery7.4V,10000mA‐hr,Lithium‐ion
 InternalbatterycanoperateasaUPSintheeventofexternal
powersourceoutage
 Internalbatterywillchargefromtheexternalpowersourcewhen
theinternalbatteryisnotfullycharged
External  Powersourcesupply
(Internal/External)ishotswapcapableinthe
eventofpowersourceremovalorcut‐of f
 PowerinputonLemoportsis12VDCto36VDCexternalpower
input
 Receiverwillautopoweronwhenconnectedtoexternalpower
withvoltageabove11V
Operationtimeon
internalbattery
Upto17hourscontinuousoperation,dependentonusersetting
8.5. GENERAL
Feature Specification
Frontpaneldisplay  VacuumFluorescentDisplay(VFD),16charactersby2rows
 PowerbuttonandindicationLED
 Escape,OKand4arrowkeys(up,down,left,right)
Receivertype GNSSreferencereceiver
Antennatype  CHCA220GRGNSSGeodeticantennaorCHCC220GRGNSSChoke
Ringantennapreferred.
 Othermodelssupported.
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