The Topcon LS-B20 Machine Control Laser Receiver delivers reliable, precise grade information for both machine-mounted and manual construction tasks. With 360° laser detection and user-selectable accuracy settings, it ensures accurate measurements for a variety of grading applications. Bright LED indicators make grade readings clear from a distance, allowing operators to make fast, confident adjustments.

The LS-B20 is IP66-rated for superior water and dust resistance, and it operates in temperatures ranging from -4°F to 122°F. Its long battery life—up to 120 hours on standard alkaline batteries—ensures extended field use without frequent interruptions. Compatible with most rotating lasers, it offers seamless integration into existing workflows and can be mounted directly onto machinery for hands-free operation.

Specifications

• Detection Range: 360° full coverage
• Operating Range: Up to 2,000 ft (with compatible laser)
• Accuracy Settings: Fine, Medium, Coarse (selectable)
• Display: LED indicators with adjustable brightness
• Water/Dust Resistance: IP66
• Power Supply: Alkaline batteries or external power
• Battery Life: Approx. 120 hrs (alkaline)
• Operating Temperature: -4°F to 122°F (-20°C to 50°C)
• Dimensions: 6.7 x 3.9 x 1.6 in (170 x 100 x 40 mm)
• Weight: 1.1 lbs (500 g)

In The Box

• LS-B20 Machine Control Laser Receiver
• User Manual