iOptron CEM120 - Technical Specifications; CEM120 Mount Specifications

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Appendix A. Technical Specifications
Mount Center‐balancedEquatorialMount(CEM)
Payload 52kg(115lbs),excludecounterweight*
Mountweight 26kg(57lbs)
Payload/Mountweightratio 2
Material Allmetal
Latitudeadjustmentrange 0°~68°(0.5arcmindivision)**
Azimuthadjustmentrange ±5°(3arcmindivision)
RightAscensionwormwheel Φ216mm,360teeth,zerobacklash
Declinationwormwheel Φ216mm,360teeth,zerobacklash
Worm Φ26mm
PEC PPEC/RealtimePEC
PE ~±3.5arcsecp‐p(#7300)or<0.15arcsecRMSfor5min(#7301)
Wormperiod 240sec
Counterweightshaft Φ38,540mm(SS,anti‐slip,4.5kg)
Counterweight 10kg(22lbs)
Mountbasesize 210x230mm
Motordrive Steppermotor
Resolution 0.07arcseconds
Slewspeed 1×,2×,8×,16×,64×,128×,256×,512×,MAX(~4°/sec)
Powerconsumption 0.7A(Tracking),1.8A(GOTO)
Powerrequirement 12VDC5A
ACadapter 100V~240V(included)
Polarscope Optionalelectronicpolarscope
HandController Go2Nova®8407+,212,000+objectsdatabase,starrecognition
Meridiantreatment Stop(0‐14°pass),autoflip
Zeroposition Automaticzerosearch
Parkposition Horizontal,vertical,current,alt/aziinput
Levelindicator Yes
Dovetailsaddle LosmandyD,17.2"(437mm)
GPS Yes
Autoguideport ST‐4
Communicationport RS232,USB,LAN,Wi‐Fi
PCcomputercontrol Yes(ASCOM)
Cablemanagement
2xDC12V(1A),DC5V(1A),2xDC(5A),ST4,6P6C,4xUSB2.0,
USB3.0(powered),USBforPS,AUX
Operationtemperature ‐10°C~+40°C
Pier/tripod OptionalPier
Warranty Twoyearlimited
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*Theseareonlyguidelines.Sometelescopesareverylongorverybigfortheirweightandmayrequirealargermount.
Rememberalsothatimagingrequirementsaremorerigidthanvisualobservation.
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**Forlatitudebelow10°,aspecialCWshaftmountinghouseisneeded.