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HEM27EC Hybrid SWG Mount w/ High Precision Encoder

iOptron
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H274A
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Description


Introducing the HEM27 and the HEM27EC, iOptron’s revolutionary hybrid strain wave drive mounts. These light weight, high payload tiny titans will deliver an astronomy experience like never before. Imagine a mount head weighing in at 8.15lbs with a payload capability 29.74lbs, without needing a cumbersome counterweight or shaft. Applying iOptron’s multi decade experience creating precision mounts, the HEM27 brings this vision to reality. Utilizing state of the art strain wave drive technology for the RA movement in tandem with backlash-free DEC worm/belt drive design, the HEM27s deliver unparalleled weight to payload efficiency. Its black anodized all metal CNC machined body is not only appealing to the eye, it’s a rugged platform that will perform at the highest level for many years to come. Unique features include an electronic friction break to safely stop movement during a planned or unplanned power interruption. A HEM27 mount can be controlled by a computer, either via ASCOM/Commander for a Windows PC or a third party INDI driver for a MacOS software; a SmartPhone/Tablet via iOptron Commander Lite or an App like SkySafari; or a Raspberry Pi device via INDI driver. The HEM27EC features a high precision RA axis encoder that delivers incredible tracking accuracy, enough that many will choose to image “sans” guiding. Learn more about HEM27 mount HEM27 mounts with low latitude range (0~22 degree) are available via special order.
Features
  • Advanced strain wave drive technology
  • Payload capacity of 13.5 kg (29.7 lbs) with the mount weight of 3.7 kg (8.15 lbs)
  • CNC machined
  • Unique friction brake to safely stop movement during a planned or unplanned power interruption
  • 360 second gear period
  • High precision encoder with realtime PEC (RPEC)
  • Go2Nova® hand controller with ~212,000 object database
  • iPolar electronic polar scope for easy and accurate polar alignment
  • Cable management system, no hanging exterior cables to moving parts
  • Dual saddle (vixen and losmandy-D styles)
  • Built in zero position search and locator
  • Integrated ST-4 autoguiding port
  • Built-in Wi-Fi (via hand controller)
  • USB port for firmware upgrade and computer control
  • Soft carrying case

Technical Specs

MountHybrid Equatorial Mount
RA gear systemStrainWave 17
DEC gear systemBacklash-free worm/belt system
RA reduction ratio480:1
Payload w/o CW *29.74 lbs (13.5kg)
Mount weight7.49lbs (3.4kg) w/o dovetail saddle 8.15 ls (3.7kg) with dovetail saddle
Payload/Mount weight3.65
Payload with CW *44 lbs (20kg)
Period360 second
Drive motorStepper motor
Structure MaterialAll metal, CNC machined
Exterior finishAnodized black
High precision encoderYes (RA)
PECYes, Realtime PEC
Latitude adjustment range15º ~ 65º
Azimuth adjustment range± 5º
Polar ScopeiPolar electronic polar scope
Level indicatorLevel bubble
Control systemGOTONOVA/Commander
Hand ControllerGo2Nova® 8409 with ~212,000 objects database
TrackingAutomatic
Maximum slew speed6º/sec
Power consumption0.5A(Tracking), 1A(GOTO)
Power requirementionDC12V-5A (5.5/2.5mm DC plug)
AC adapter100V ~ 240V (included, indoor use only)
CableNo moving/wrapping
Cable management2X12V (4A max.), 1X USB2.0
Power off brakeElectronic friction brake
Wi-FiBuilt-in
Communication portYes (Wi-Fi and USB)
Autoguide portYes (ST-4 compatible)
Firmware upgradeYes
Dovetail saddleVixen & Losmandy
TripodOptional
Counterweight shaftSS Φ20X200mm, M16 thread (Optional)
Counterweight10 lbs (4.5kg) (Optional)
Operation temperature-20ºC ~ 40ºC (hand controller -10ºC ~ 40ºC)

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