• Machine-mounted laser receiver for graders, dozers and excavators

• Wide reception window for fast, reliable laser capture

• High-visibility LED indicators for clear grade guidance

• Audible alerts for added operator awareness

• Rugged, jobsite-ready construction designed for heavy equipment use

• Weather-resistant housing suitable for outdoor environments

• Simple setup and operation for efficient machine control

Technical Specifications

• Application: Machine control and grading

• Detection Type: Rotary laser beam detection

• Reception Window: Wide vertical capture range

• Indicators: LED visual indicators and audible alerts

• Power Supply: Battery powered

• Mounting: Machine mount bracket compatible

• Operating Temperature: -20 °C to +50 °C

Ideal For

• Laser-guided machine control

• Bulk earthworks and site preparation

• Road and civil construction

• Grading and excavation applications

What’s Included

• Spectra Precision LR50W Machine Laser Receiver

• Mounting Hardware

• Batteries

Why Choose the LR50W?

The LR50W provides dependable, accurate laser detection for machine-mounted applications. Its durable construction, wide capture range and clear indicators make it a reliable solution for contractors who need consistent grade control on heavy equipment.

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the Spectra LR20 Laser Machine Display Receiver is perfect for improved productivity on compact machines

The Spectra Precision LR20 laser receivers allow compact machines to achieve tighter tolerances without the need for a grade checker. Now smaller machines can be more productive while improving accuracy and saving material usage costs.

Designed specifically for the cost-conscious site prep contractor, these receivers offer a very attractive return on investment by improving the productivity and material usage costs of compact machines. From simple depth and slope display to elevation control, you can broaden the scope of job applications and very easily move the laser receivers across their fleet of compact machines.

These rugged units can be easily moved from machine to machine with features and setup options for multiple applications and specifications. The 360-degree laser reception height ensures maximum laser control across the site.

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.

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Ideal for use with backhoes and mini-excavators, this MR240 Machine receiver offers the convenience of a machine-mounted display at an economical price. Giving a 240 Degree receiver window allowing for laser beam pickup wherever it is setup on site.

LED indicators

Know at all times what direction you need to move for the bucket to reach grade with LED indicators. Also be aware of the position of the cutting edge in relation to laser reference beam with the indicators.

Magnet mount

With extra strong rare earth magnets, the display isn’t going anywhere even in the toughest terrains. The display is also waterproof and comes with auto shutoff. It also has an easy to remove arm bar for easy shutdown on sites.

Choice of settings

With the choice of three channels in coarse mode and five channels in fine mode it means the MR240 has the ability to provide detailed and accurate levels for all applications.

MR240 Machine Receiver Features

• LED indicators show a position of cutting edge in relation to the laser reference beam
• The memory stores the last signal received; LED arrows to indicate which way to move the bucket to pick up the laser beam again
• The magnetic mount allows quick mounting and easy movement from machine to machine
• Automatic shutoff after 1 hour of no activity
• Rugged, waterproof construction

MR240 Machine Receiver Specifications

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Key Benefits
• Machine-mounted and rod-mounted operation
• Bright LED arrow displays for clear grade indication
• Digital readout showing exact distance to grade
• Rugged IP67-rated design for harsh jobsite conditions
• Radio compatibility with selected Spectra grade lasers
• Magnetic machine clamp for secure mounting
• Wide laser reception area for fast beam acquisition

Designed for Construction & Machine Control
The CR700 is engineered for contractors who require accurate and reliable laser detection across a range of site applications. Whether mounted directly to machinery or attached to a grade rod, the receiver provides real-time visual and audible feedback to help maintain precise elevation control.
Its patented Light Bar technology delivers consistent laser reception performance, while the digital display improves accuracy by showing the exact distance from on-grade.

Built for Tough Jobsite Conditions
Designed for demanding environments, the CR700 features a rugged IP67-rated housing that is dustproof, waterproof, and weather resistant. With a 3 m drop guarantee, it is built to withstand tough site conditions and daily use.
The integrated backlight improves visibility in low-light conditions, while the vertical drift alarm warns operators if the laser is disturbed during vertical applications.

Ideal Applications
• Excavation and grading
• Machine control applications
• Site levelling and alignment
• Drainage and trenching
• General construction layout

What’s Included
• CR700 Combo Laser Receiver
• C71 Magnetic Machine Clamp
• C70 Rod Clamp

Why Choose the CR700 Combo Laser Receiver?
The CR700 combines the flexibility of a rod-mounted receiver with the convenience of machine-mounted laser control in a single rugged unit. With digital grade readout, radio compatibility, and durable construction, it’s a versatile solution for contractors who need dependable performance across multiple jobsite applications.

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Key Benefits
• 360-degree laser reception for consistent signal detection
• Linear display for clear grade and alignment guidance
• Integrated blade tilt indicator for grading applications
• Excavator boom plumb indicator for improved vertical accuracy
• Rugged design built for demanding site conditions

Designed for Machine Control Applications
The LR50 is ideal for machine-mounted use on dozers, excavators, and grading equipment. Its wide detection angle and clear visual indicators allow operators to maintain accurate positioning without relying on repeated manual checks.
By providing continuous feedback on grade, tilt, and plumb, the LR50 helps reduce rework, improve productivity, and maintain consistent results across complex site conditions.

Ideal Applications
• Machine control and grading
• Excavation and trenching
• Dozer blade control
• Civil and earthmoving projects
• Laser-guided alignment tasks

Why Choose the LR50 Machine Control Receiver?
The LR50 Machine Control Receiver combines durability, visibility, and advanced machine guidance features into a compact, jobsite-ready solution. Designed for professional operators who demand accuracy and reliability, it’s a practical addition to laser-based machine control workflows.

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