Spectra Precision LR-20


The LR20 Laser Machine Display Receiver is as a standalone display receiver for mini excavators, backhoes and scrapers, skid steer attachments, box blades, pulled scrapers and small dozers. It is powered NiMH batteries and direct machine power.


  • 8-inch, 360-degree laser reception provides large working area and range
  • Built in plumb indicator for fast, accurate grade checking in mini- excavator applications
  • Super bright grade display with green “on-grade” LEDs provides superior depth/elevation indication
  • Push button setup for ease of use and application flexibility
  • System package with mini magnetic mount fits in compact carrying case for easy storage and transport
  • Center and offset on-grades are ideal for both grading and excavating applications
Ideal for use on mini-excavators and compact machines.


Number of Display Channels5-Channel Display
Accuracy: Center on grade mode (grading)Fine: 5 mm (0.20 in) Standard: 10 mm (0.40 in) Wide: 20 mm (0.80 in)
Accuracy: offset on grade mode (excavating)Fine: 12 mm (0.50 in) Standard: 25 mm (1.0 in) Wide: 50 mm (2.0 in)
Plumb-Swing Accuracy± 0.5°, ± 1.5°, ± 2.5°
Vertical Reception203 mm (8 in)
LED Battery Life35hrs
Receiver Warranty2 Years