DT40L Series

The DTx40L*1 series features seven different models with four accuracy ratings. The four standard models include angle accuracies of 2, 5, 7 or 9 arc seconds. The L-series instruments (5, 7 or 9 arc seconds) add the convenience of coaxial, long-range, visible laser beam to make sighting exact points easier and facilitating alignment and layout application.

All models feature Sokkia’s advanced absolute encoder systems, superior optics, and field-proven automatic compensators. They also boast the industry’s highest IP66 ratings for water and dust protection. Reliable, easy-to-use, jobsite tough—choose a DTx40L*1 series digital theodolite for maximum productivity.


Key DTx40L*1 features include:

  • Unsurpassed 2.5” telescope resolving power*
  • Absolute encoders for maximum angle precision
  • Industry’s highest water and dust protection—IP66
  • 220m /660 ft long-range laser pointer (L models only)*1
  • 0.4mm@10m ultra-focused beam spot (L models only)*1

* Does not apply to DT940L model

*1 Laser equipped versions not available in Europe

Additional information


DT940L, DT740L, DT540L


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