Construction laser

Nautilus IPX7

Self-levelling, waterproof construction laser for horizontal use. The fully professional for horizontal levelling. Use it under severe conditions on the construction site Set it up, switch it on and begin (single-button-control) Robust, accurate and safe by means of ESP (Electronic Safety Program). Line-powered or accumulator is possible.

1 robust aluminium casing
2 shock protection with a circulating plastic shock absorber

  • Electronic Safety Program: automatic laser stop in case of shocks or changes in position
  • With Battery Pack (Ni-MH, no memory effect)
  • Waterproof IP67 compliant
  • Receiver waterproof IP67 compliant
  • Photodiode hand receiver to ensure optimum functioning of the laser within a working range up to a distance of 150 m Acoustic and optical receiving signal, LCD display at the front side for easy and practical handling
Rotary Laser Technical Data
  • Type of laser: red diode laser, wavelength 635 nm
  • Output: <1 mW, Laser class 2
  • Self-levelling range: ± 4 ° approximately corresponds to ± 6%
  • Accuracy: ± 2.6 mm/30 m
  • Levelling time: typically <30 seconds
  • Operating range: -20°C to 50°C
  • Range: 300 m in diameter with receiver
  • Rotational speeds: 600 rpm
  • Power supply: line-powered or accumulator (Ni-MH) 4 x 1.2 V Baby Type AA LR14
  • Service life: 50 hours
  • Protection system: waterproof IP67 compliant
  • Tripod connection size: 5/8 inch
  • Dimensions: approx. 170 x 170 x 220 mm
  • Weight: 2,5 kg
The complete set in the carrying bag
  • Nautilus IPX7
  • Receiver with mounting bar
  • Charger (AC adapter)
  • User Manual
  • Battery Pack (Ni-MH) and batteries for receiver

Technical Data Receiver
  • Range: 200 m
  • Protection system: waterproof IP67 compliant
  • Power supply: 2 x 1.5 Volt AA batteries LR6
  • Operating period: depending on the degree of utilization

The BMI laser glossary (PDF) offers a good possibility to compare selected BMI construction lasers: The uniLASER, topoMAT and Nautilus models are listed here.

laser glossary (PDF)

Nautilus IPX7 in action
Duration: 3min 04sek


Available designs

Nautilus IPX7 x


  • BMImeter
  • Highprecision
  • Winkelstar
  • Nautilus IPX7
  • TopoMat
Video page


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  • Technical documentation
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BMI Messzeuge

  • Bayerische Maßindustrie
  • A. Keller GmbH
  • Rosengasse 12
  • DE-91217 Hersbruck, Germany
  • Phone (national): 09151 7301-0
  • Phone (intl): +49 9151 7301-49
Go to the Contact Page