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EM-200 Equatorial Mount Specifications

Main Specifications

Spec. EM-200 USD-3 EM-200 Temma-2 Jr EM-200 Temma-2
Type German Equatorial Mount
R.A. Slow-Motion Motor driven
DEC. Slow-Motion Motor driven
Azimuth Adjustment ± 15°
Elevation 22 to 64°
Polar Finder / Accuracy Built-in / 2'
R.A. Setting Circles Accuracy 10 arcminutes
DEC. Setting Circles Accuracy
Encoders NA Included Included
Weight (without counterweights) 15 kg
Counterweights 2 x 5kg
Maximal Loading Capacity 18 kg (without counterweights)
Optimal Loading Capacity 15 kg (without counterweights)
Operating Voltage 12V / 24V DC
Power Consumption NC
Tube Mounting 2 x M8 screws (35mm)
Mounting Capacities Tube rings, plates and dovetail mounting plates
Option Tripods, piers

EM-200 Details

EM-200 details

Mecanical Specifications

Spec. EM-200 USD-3 EM-200 Temma-2 Jr EM-200 Temma-2
R.A. axis diameter. (material) 40 mm (bronze)
R.A. worm gear shaft diameter (material) 18 mm (iron)
R.A. gear diameter (material) 92 mm/180 teeth (bronze)
DEC. axis diameter (material) 40 mm (iron)
DEC. worm gear shaft diameter (material) 18 mm (brass)
DEC. gear diameter (material) 92 mm/180 teeth

Motor Drive Specifications

Spec. EM-200 USD-3 EM-200 Temma-2 Jr EM-200 Temma-2
Type USD-3 Temma-2 Jr Temma-2
Stepper Motors Accuracy 50 PPS
Slow motion speeds 0,1x to 1,9x sidereal rate
High speed mode 120x sidereal rate (@12V)
240x sidereal rate (@24V)
350x sidereal rate (@12V)
700x sidereal rate (@24V)
Worm gear shaft cycle 8 minutes
Tracking accuracy ± 5"
Autoguiding SBIG ST-4/7 compatible