User's Manual

34
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