Appendix A. Technical Specifications - iOptron CEM40 Instruction Manual

Appendix A. Technical Specifications

Max payload*
Mount weight
Payload/Mount weight ratio
Structure Material
Exterior finish
Latitude adjustment range
Azimuth adjustment range
Right Ascension worm wheel
Declination worm wheel
Tracking accuracy (PE)**
Counterweight shaft
Counterweight
Mount base size
Motor drive
Motor resolution
Slew speed
Power consumption
Power requirement
AC adapter
Polar Scope
Level indicator
Dovetail saddle
Hand Controller
Meridian treatment
Guiding scope/camera
Autoguide port
Communication port
PC computer control
Cable management
Operation temperature
* OTA size and length dependent
** Measured with encoder on bench, 400 seconds
Mount
0°~ 60° (special CW shaft mounting if <10° )
PEC
Precision stepper motor, 1.8º/128X micro-step
1×,2×,8×,16×,64×,128×,256×,512×,MAX(~4.5°/sec)
Go2Nova
GPS
WIFI
Built in guiding scope and camera, iGuider
Tripod LiteRoc 1.75" Stainless Steel(7kg), optional tri-pier
Warranty
Center-balanced Equatorial Mount (CEM)
40 lb (18kg), exclude counterweight
17.4 lb (7.9kg)
2.28:1
All metal, CNC machined
Anodized red/black
± 6°
Φ110mm, 216 teeth aluminum
Φ110mm, 216 teeth aluminum
PPEC/Real time PEC
<±7.5 arcsec p-p (CEM40, CEM40G), or
<0.3 arcsec RMS (CEM40EC)
Φ28X280 mm, Stainless Steel (1.2 kg)
11 lb (5 kg) X1
Φ120 mm
0.08 arc seconds
0.6A(Tracking), 0.9A(GOTO)
12V DC 5A
100V ~ 240V (included, indoor use only)
TM
Internal iPolar electronic polar scope
Level bubble
8" Losmandy D & Vixen
®
HC,212,000 objects database, star recognition
Stop (0-14° pass), auto flip
Yes
External (optional)
ST-4
USB Port (on mount)
Yes (ASCOM)
Yes
-10°C ~ +40°C
Two year limited
34
TM
(CEM40G)