RedBack Lasers Digital Theodolite with Laser Angular Accuracy 2″

The DTH2L Digital Theodolite by RedBack Lasers features a heavy-duty robust housing with Dual LCD Backlit Displays.  The Display provides clear and easy-to-read measurements of horizontal and vertical angles in Degrees, Minutes and Seconds.

RedBack Lasers Digital Theodolite Display DTH2L

The Optical telescope has 30x magnification for easy sighting of the target.  The telescope also features focus and cross-hair focus to accommodate different users.  The RedBack Lasers DTH2L features a bright and sharp plummet laser dot for precise location over your datum.  The included Tribach has a quick-release mechanism from the theodolite has a bullseye vial for quick rough levelling.  The Theodolite itself is levelled using the highly accurate spirit vial located above one of the displays and the adjustment wheels on the Tribach.

Tribrach Theodolite

The RedBack DTH2L features a focusable laser pointer that emits through the telescope.  This can be handy in certain situations, like a laser level or level and grade.  The Theodolite has horizontal and vertical locks and fine rotation knobs to simplify accurate targeting.

More DTH2L Theodolite Features

  • Dual LCD Display and Menu pad
  • Horizontal Angle Resolution switchable between 1″,5″ and 10″
  • Zenith/Vertical Angle Resolution switchable between 1″,5″ and 10″
  • 30x Magnification Telescope
  • Laser Pointer through Telescope
  • Laser Plummet/Plumb dot down class 3 dot
  • Face Left/Face Right modes for error minimising
  • Vertical can display in either Angle or Percentage slope
  • Custom Horizontal Zero setting
  • Repetition Mode for averaging
  • Auto Power Off
  • Australian Calibration Certificate


The RedBack Lasers DTH2L digital Theodolite is ideal for general surveying and construction applications and comes with the Theodolite itself, Tribach with bullseye vial, Ni-mh rechargeable battery, Charger, “AA” back up battery holder, 100mm x 100mm target and heavy duty carry case.  The RedBack lasers DTH2L comes with a two-year warranty.


Theodolite RedBack Lasers DTH2L with Laser Rechargeable Battery and "AA" back up options



  • Length – 156mm
  • Image – Erect
  • Magnification – 30X
  • Aperture – 45mm
  • Field of View – 1 Degree 20 Minutes
  • Min Focus – 1200mm
  • Stadia Ratio – 100
  • Stadia Constant – 0

Angle Measurement

  • Measurement Method – Absolute Code
  • Angular Accuracy – 2″
  • Minimum Reading – 1″, 5″ and 10″

Laser Plummet

  • Laser – 635nm Class 2 red <1mW
  • Laser Dot Size – <0.5mm/1.5m
  • Laser Accuracy – +/-1.0mm/1.5m

Laser Point

  • Laser – 635nm Class 2 red <1mW
  • Visible Distance – up to 100m light dependant
  • Laser Dot Size – <5mm/100m

Bubble Level

  • Accuracy of plate bubble – 30″/2mm
  • Accuracy of the circular bubble (Tribach bullseye) – 8″/2mm

Operating Conditions

  • Working – -10 degrees to +45 Degrees
  • Storage – -20 degrees to +55 Degrees
  • Water/Dust – IP55



Weight8.3 kg
Dimensions45 × 40 × 30 cm


Instructions to follow


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