Spectra Precision DET-2 Digital Electronic Theodolite

Spectra Precision DET-2 Theodolite

The Spectra Precision DET-2 is an affordable, powerful and well-equipped electronic theodolite that offers a variety of features and benefits that you might not expect to find on such an economically priced instrument. It was designed to provide its operator with highly accurate measurements in a wide variety of construction and surveying applications while also offering exceptionally uncomplicated operation for greatly increased productivity on the job site.

Its versatility is evident in the number of applications it can capably handle including establishing 90 degree reference lines, setting elevations, pipe laser setups, advanced alignment jobs, basic to advanced grade work, leveling applications, and checking angles, alignment, and plumb. Numerous programmable settings ensure superior customization for the specific task at hand. The DET2's programmable settings options include zero position of vertical angle, Zenith angle, horizontal angle resolution, vertical axis compensation, 90 degree angle beep, vertical degrees or %, and automatic shutoff to conserve battery life. Dual control panels and large-character LCD displays make the DET-2 very accessible to all workers and easy to operate. Working in low-light conditions such as early morning and evening work or inside poorly lit buildings is a breeze thanks to the convenient LCD backlighting and reticle illuminator. Its rechargeable battery pack (holds a 36 hour charge) and charger ensure economical operation and the included backup alkaline battery pack (uses 4 standard AA batteries) allows you to easily keep working if the rechargeable battery runs out of charge in the field. The DET-2 is also ruggedly built and water and dust resistant so you can use it without worry when working in demanding environmental conditions.

If you're looking for an affordable digital theodolite that doesn't skimp on features you owe it to yourself to check out the DET-2 from Spectra Precision.

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Spectra Precision DET-2 Digital Electronic Theodolite

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Features and Benefits:

  • Vertical axis compensation - tilt sensor provides the highest level of accuracy and can be turned on or off depending on job requirements
  • 2" angular accuracy - accurate enough for any construction job, yet the display resolution can be tailored to any operator's preferences for fast readings
  • The DET-2's broad array of programmable settings provide numerous options for multiple users and job requirements
  • Dual LCDs with large, easily visible characters - easy-to-read angle readings eliminate errors and reduce user eye fatigue
  • Back-lit LCD and telescope reticle - facilitates work in low light conditions such as poorly lit indoor areas or during dawn and dusk hours
  • Simple six button keypad user interface enables quick setups and easy operation with low operator learning curve
  • Measurement units in degrees, gon, or mils
  • 90 degree angle audible notification - facilitates speedy turning and set out of right angles
  • Instant conversion of vertical angles to percent of grade - convenient for slope work and when used in conjunction with DialGrade pipe work.
  • NiMH rechargeable battery pack and charger - reusable batteries lower your overall operating costs
  • Alkaline battery pack utilizing standard AA batteries provides convenient power backup and eliminates downtime if the charge is lost in the middle of a job
  • Battery status indicator - no power surprises and allows for better planning
  • Automatic shutoff function conserves battery life when theodolite is not in use - can be optionally disabled at user discretion
  • IP54 environmental rating - dust and water resistance allows the DET-2 to ruggedly withstand the harsh conditions commonly encountered in many construction environments


  • Telescope
    • Image: Erect
    • Magnification: 30x
    • Aperture: 45 mm (1.7")
    • Focus Distance: 1.35 m to ∞ (4.43 ft) to ∞
    • Field of View: 1˚ 30’
    • Stadia Ratio/Constant: 100/0
  • Optical Plummet
    • Image: Erect
    • Magnification: 3X
    • Angle of view: 5˚
    • Focusing range: 0.5 m ~ ∞ (1.6 ft ~ ∞)
    • Reticle type: Crosshair
  • Angle Measuring System
    • Minimum Reading: 1" or 5"
    • Precision: 2"
    • Units: Deg / mil / gon / V %
    • Display: Dual, Large Character, Backlit LCD
  • Tilt Sensor
    • Automatic Compensation: ±3’ Range User Set On/Off
  • Vials
    • Tubular: 30"/2 mm
    • Circular: 8'/2 mm
  • Dust/Water: IP-54
  • One Touch Button Functions
    • Power
    • Backlight / Illumination On / Off
    • Angle Hold
    • Clockwise/Counterclockwise Measurement
    • Zero Reset of Horizontal Angle
    • Convert Vertical Degrees to Percent
  • Operating Temperature: –20°C to +50°C (–4°F to 122°F )
  • Size - Instrument: 164 mm x 154 mm x 340 mm (6.4" x 6.1" x 13.4")
  • Weight - Instrument: 4.5 kg (9.9 lb)
  • Warranty: 1 Year

The complete DET-2 package includes:

  • DET-2 theodolite
  • NiMH rechargeable battery pack and charger
  • Backup alkaline battery pack (utilizes 4 standard AA batteries)
  • Compact hard-shell, o-ring sealed carrying case
  • Multi-language user guide
  • Adjustment tools
  • Rain hood
  • Plumb bob
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Spectra Precision DET-2 Digital Electronic Theodolite
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