User Manual

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Appendix A. Technical Specifications
Mount Center-balanced Equatorial Mount (CEM)
Max payload* 40 lb (18kg), exclude counterweight
Mount weight 15.8 lb (7.2kg)
Payload/Mount weight ratio 2.5:1
Structure Material All metal, CNC machined
Exterior finish Anodized red/black
Latitude adjustment range 0°~ 60° (special CW shaft mounting if <10° )
Azimuth adjustment range ± 6°
Right Ascension worm wheel Φ110mm, 216 teeth aluminum
Declination worm wheel Φ110mm, 216 teeth aluminum
PEC PPEC/Real time PEC
Tracking accuracy (PE)**
<±7 arcsec p-p (#7400A), or
<0.25 arcsec RMS for 400sec (#7400ECA)
Counterweight shaft Φ20x 410 mm Stainless Steel (1kg)
Counterweight 10 lb (4.5 kg)
Mount base size Φ120 mm
Motor drive Precision stepper motor, 1.8º/128X micro-step
Motor resolution 0.08 arc seconds
Slew speed 1×,2×,8×,16×,64×,128×,256×,512×,MAX(~4.5°/sec)
Power consumption 0.6A(Tracking), 0.9A(GOTO)
Power requirement 12V DC 5A
AC adapter 100V ~ 240V (included)
Polar Scope Internal iPolar
TM
electronic polar scope
Level indicator Level bubble
Dovetail saddle iOptron Universal Saddle, 5"
Hand Controller Go2Nova
®
8407+,212,000 objects database, star recognition
Meridian treatment Stop (0-14° pass), auto flip
GPS Yes
WIFI External (optional)
Autoguide port ST-4
Communication port USB Port (on mount)
PC computer control Yes (ASCOM)
Cable management USB2.0, DC12V (MAX 3A), ST4
Operation temperature -10°C ~ +40°C
Tripod 1.5" Stainless Steel(5kg), optional 2" or tri-pier
Warranty Two year limited
* OTA size and length dependent
** Measured with encoder, 400 seconds