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SDL1X Digital Level

Highest precision and productivity in elevation and distance measurement


From Intelligent Auto Focus to wireless operation, many innovative technologies are implemented for unmatched performance and precision. The SDL1X can reduce measurement by up to 40 percent compared to manually focused digital levels! Its wireless remote trigger eliminates measurement errors caused by touching. When precision has top priority, and measurement speed matters, the SDL1X is the ideal digital level.

More Information

Key SDL1X features include:

  • 0.2mm precision (ISO17123-2)
  • Intelligent auto focusing
  • Dual-axis tilt sensor safeguards precision
  • Onboard measurement and recording programs
  • 10,000-point memory with USB and SD card slot
  • Optional Bluetooth® wireless for connection to data collectors


Height Accuracy (Electronic) .2mm (with BIS30A staff) / .3mm (with BIS20/30 staff) / 1mm (with BGS staff)
Standard deviation for 1km double run leveling
Distance Accuracy (Electronic) [<10m = +/-10mm] [10m to 50m = +/-.1%xD] [>100m = .2%xD]
Display resolution .00001 / .0001 / .001m
Measuring Range 1.6 to 100m
Measuring Time 2.5s (single), 1s (rapid-repeat)
Magnification (optical) 32x
Compensator Pendulum compensator with magnetic damping system
Tilt Sensor Dual-axis liquid tilt sensor
Data Storage 10,000 points
Communications RS-232C , USB
Wireless Communication Bluetooth Class 1 - 100m (980ft)
No obstacles, few vehicles or sources of radio emissions/interference in the near vicinity of the instrument, no rain.
Dust/Water Protection IP54
Operating Temperature -20 to +50ºC (-4 to +122ºF)
Operating Time More than 9 hours (with autofocus)
Size W158 x D257 x H182mm (W6.2 x D10.1 x H7.2in)
Weight 3.7kg (8.2lb)


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