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AZ 4000 HPS Mount incl. ColdTemp Upgrade

# 1454903 Price: € 33,700.00
(Price incl. German VAT excl. shipping)

Important note:

AZ 4000 HPS Mount

This mount is based on the mechanics of the GM4000 HPS II and offers a very stable altazimuthal configuration: the AZ4000 HPS is a very versatile research mount, perfect for scientific activities such as satellite tracking, photometric and astrometric measurements, LiDaR laser applications and so on. Due to its altazimuthal design, astrophotography requires a field rotator. With an image field rotator (we recommend the IR90 from Planewave and the Gemini from Optec), "classic" astrophotography with the usual 10 micron precision is also possible.

The standard version allows to assembly the optics to only a side of the mount and is supplied with a counterweight bar. Optional the double telescope version allows the use of two or more optics in a side by side setup, optimizing the load of the Mount and taking advantage of the altazimuth configuration.

Designed to offer a great sturdiness with no flexures, is all made from machined aluminized alloy. You can order the AZ4000 HPS Mount already configured with the Double Telescope option, or buy it after as an accessory.

  • Altazimuth mount, professional grade
  • 10Micron HPS technology with absolute axis-encoders and high performances motor drives
  • Ooptional system to use two optical tubes (payload 150kg + 100kg) as shown on the pictures AZ4000 DT (#1454905).
  • Due to its altazimuthal design, astrophotography requires a field rotator.

ColdTemp-Upgrade for AZ 4000 COMBI mounts is included

Modification package for ext. temperature range to -30°C

Not available for retrofitting existing mounts

Standard cables and greases become brittle and cause severe premature aging when subjected to deep freeze temperatures over longer periods of time. We strongly advise to choose this upgrade package for either AZ3000 or AZ4000 mounts, in case the mechanics and electronics of the mount have to work flawlessly under hard environmental conditions. Please note that this can only be integrated into the mount during master assembly and cannot be upgraded. This treatment would cost many times as much, if it were to be performed on an existing mount that would need to be fully disassembled to the core.

The ColdTemp-package includes:

  • Highest cost low temperature grease for bearings and worm gear (suitable viscosity stretched down to - 60°C)
  • Pre-tension springs on axes and shafts for thermal compensation
  • Integrated Linux PC w. extended XT range survival pack (up to -40°C/specified by the manufacturer)
  • All internal cabling replaced w. high endurance silicon flex cables (internal cable strands are being replaced by low temp copper alloy w. individual high strength silicone mantling)
  • Absolute encoders modified for -40°C continuous operation
  • Heavy duty test in cold chamber for several days

WiFi adaptation is not available in conjunction with the ColdTemp package!

AZ Series
Recommended Accessories
AZ 4000 HPS
Mount type
Altazimuth German Mount
125 kg – 246 lbs
Instrument payload capacity
150 kg (330lbs) for standard single telescope configuration 150+ 100kg (330+220lbs) for optional dual telescope configuration
Counterweight shaft
60mm diameter, stainless steel
85/80 mm diameter, alloy steel
Pre-loaded tapered roller bearing
Worm wheels
Azimuth. 430 teeth, 330 mm diameter, B14 bronze Alt.. 315 teeth, 244 mm diameter, B14 bronze
Worms screw
diameter 32mm, tempered alloy steel, grinded and lapped
Transmission system
Backlash-free system with timing belt and automatic backlash recovery
2 axes servo brushless
Power supply
24 V DC
Power consumption
~ 1,5 A while tracking ~ 5 A at maximum speed ~ 6 A peak
Goto speed
Adjustable from 2°/s to 8°/s (6°/s in R.A.)
Pointing accuracy
< 20" with internal multiple-stars software mapping
Average tracking accuracy
< +/− 1" typical for 15 minutes (< 0.7" RMS) with internal multiple-stars software mapping and compensation of flexure and polar alignment errors
Security stops
+/− 150° in AZ (software) +/− 155° in AZ (mechanical) +/− 95° in Alt (software) +/− 100° in Alt (mechanical)
Operational temperature range (standard)
- 15° C to + 35° C / + 05° F to + 95° F
Operational temperature range (optional)
- 35° C to + 35° C / - 31° F to + 95° F
Storage temperature range
- 40° C to + 50° C / - 40° F to +122° F
Communication ports
RS–232 port; GPS port; autoguide ST-4 standard port; Ethernet port
User defined mount parking position, 2-stars and 3-stars alignment function, up to 100 alignment stars for modeling, correction of polar alignment and orthogonality errors, estimate of average pointing error, storage of multiple pointing models, sidereal, solar and lunar tracking speed adjustable on both axes, declination-based autoguide speed correction, adjustable horizon height limit, pointing and tracking past meridian,, assisted balance adjustment, manual or GPS based time and coordinates setting, dome control via RS-232, configurable atmospheric refraction, network settings, comets and asteroids filter, multi-language interface. Remote Assist via Internet connection.
PC control
Remote control via RS-232 or Ethernet; proprietary ASCOM driver or Meade compatible protocol; update of firmware and orbital elements of comets, asteroids and artificial satellites via RS-232 or Ethernet; virtual control panel via RS-232 or Ethernet. Wi-Fi included.

Scope of supply


Information provided without guarantee