Spectra Precision LL100N


The Spectra Precision® LL100N Laser Level is a complete one man levelling crew in a case. A complete system is contained in a single hard-shelled, portable carrying case – the laser, receiver, clamp, tripod, and grade rod – for easy transportation, storage, and use. A standard case with laser and receiver only is also available. Automatic, self-levelling ensures fast, accurate setups. Easy, one-button operation requires minimal training.


  • Automatic self-leveling increases productivity with fast setups and minimal training
  • One person elevation control up to 575 ft (175 m) away increases productivity
  • Durable construction can withstand tough jobsite conditions
  • Height of Instrument alert stops laser rotation if elevation changes occur to avoid erroneous readings HR320 receiver offers 2 accuracies and has grade displays front and rear
  • Exclusive 2-year limited warranty with instant “over the counter” exchange policy eliminates downtime
  • General elevation control
  • Checking and setting elevations for smaller job sites
  • Levelling forms and footers
  • Estimating cut and fills
  • Ideal for decks, terraces, pools, septic systems
  • Basic slopes for driveways and ramps


Laser Source650 nm visible, Class 2
Laser Accuracy±1/8 in at 100 ft (±3 mm at 30 m)
Operating Range1,150 ft (350 m) diameter with receiver HR320
Self-Levelling Range±5 degrees
Compensation MethodElectronic self-levelling
Drop Height on Concrete performance3 ft (1 m)
Single Axis Manual Slope ModeYes
Out-of-Level WarningRotor stops, laser shuts off, red out-of-level LED flashes
Power Source2 x “D” Alkaline Batteries
Battery Life80 hours Alkaline
Battery Status LEDFlashing red LED
Rotation Speed600 RPM
Tripod Mount (Horizontal and Vertical)5/8” x 11
Operating Temperature23 °F to 113 °F (-5 °C to 45 °C)
Storage Temperature-4 °F to 158 °F (-20 °C to 70 °C)
Water ResistantYes, and IP54 sealing
Size8.5L × 6.7W × 6.0H in (21.6L × 17.1W × 15.2H cm)
Weight3.3 lbs (1.5 kg)
Warranty3 Year Limited with Instant Exchange