Spectra Precision Display Receiver - LR30W
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Spectra Precision LR30W Wireless Laser Machine Display Receiver
The Spectra Precision LR30W Laser Machine Display Receiver brings reliable laser grade indication directly to construction equipment used for grading, excavation, and site preparation.
Designed for use on equipment such as dozers, scrapers, and skid steers, the LR30W provides 360-degree laser reception, highly visible LED grade indicators, and three selectable accuracy settings. Operators can configure the receiver for everything from rough earthmoving to tighter finish-grade work.
For applications where the receiver itself may be difficult to see from the operator's position, the LR30W also supports a wireless connection to the Spectra Precision RD20 in-cab display, extending grade information into the cab.
Grade Information Where the Operator Needs It
The LR30W uses bright LED indicators to provide a clear visual reference of the machine's position relative to the established laser plane.
Its 360-degree reception allows the receiver to detect the rotating laser signal from any direction, reducing the need to continually reposition the machine or receiver to maintain signal reception.
The receiver provides a 171 mm (6.75 in) vertical reception area, helping maintain laser detection as equipment moves across changing terrain.
Three Accuracy Settings
Different stages of earthwork require different levels of precision. The LR30W provides three selectable grading tolerances so the operator can configure the receiver for the work being performed.
| Accuracy Mode | Tolerance |
|---|---|
| Fine | 5 mm (0.20 in) |
| Standard | 12 mm (0.45 in) |
| Wide | 32 mm (1.25 in) |
Use the wide setting where broader grade tolerances are appropriate, then move to standard or fine accuracy as the project requires tighter elevation control.
Five-Channel Grade Display
The LR30W uses five display channels to communicate the machine's relationship to grade.
Highly visible LEDs provide the operator with an immediate visual reference, while green LEDs indicate on-grade, making it easier to recognize when the desired elevation has been reached.
Display brightness can also be adjusted to accommodate different working conditions.
Wireless RD20 In-Cab Display Compatibility
The LR30W can communicate wirelessly with the Spectra Precision RD20 remote display, allowing grade information to be viewed from inside the machine cab.
The specified wireless range is up to approximately:
130 m (425 ft)
This configuration can be particularly useful when equipment geometry, receiver mounting position, or operator visibility makes it difficult to continuously view the receiver's LEDs directly.
Designed for Machine Grading Applications
The LR30W can support a range of earthmoving and elevation-control work, including:
- Rough grading
- Finish grading
- Excavation
- Site preparation
- Earthmoving
- Elevation control
- General construction
- Landscape grading
- Roadwork
- Drainage work
It can be used on compatible equipment including dozers, scrapers, skid steers, and other grading machinery.
Built for the Jobsite
Machine-mounted receivers operate in an environment exposed to dust, water, vibration, changing weather, and everyday construction activity.
The LR30W carries an IP66 environmental rating, providing protection against dust and water exposure for demanding field conditions.
Flexible Battery Options
The LR30W supports both alkaline and NiMH battery configurations. Runtime varies according to battery type, display brightness, and whether wireless communication is active.
Alkaline Battery Runtime
| Operating Mode | Approx. Runtime |
|---|---|
| Bright Display | 50 Hours |
| Dim Display | 75 Hours |
| Wireless – Bright | 30 Hours |
| Wireless – Dim | 40 Hours |
NiMH Battery Runtime
| Operating Mode | Approx. Runtime |
|---|---|
| Bright Display | 40 Hours |
| Dim Display | 50 Hours |
| Wireless – Bright | 20 Hours |
| Wireless – Dim | 30 Hours |
Lower display brightness can extend operating time when maximum LED intensity is not required.
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | Spectra Precision |
| Product Type | Laser Machine Display Receiver |
| Laser Reception | 360° |
| Vertical Reception | 171 mm (6.75 in) |
| Display Channels | 5 |
| Fine Accuracy | 5 mm (0.20 in) |
| Standard Accuracy | 12 mm (0.45 in) |
| Wide Accuracy | 32 mm (1.25 in) |
| Display | Adjustable High-Visibility LED |
| On-Grade Indicator | Green LED |
| Wireless Compatibility | Spectra Precision RD20 |
| Wireless Range | Up to 130 m (425 ft) |
| Battery Options | NiMH or Alkaline |
| Maximum Stated Battery Life | Up to 75 Hours |
| Environmental Rating | IP66 |
| Warranty | 2 Years |
Why Use a Machine-Mounted Laser Receiver?
A machine receiver allows equipment operators to reference an established rotating laser plane directly from the machine rather than repeatedly stopping work to manually check elevation.
With its 360-degree reception, selectable accuracy levels, and highly visible grade indication, the LR30W provides a practical solution for maintaining elevation during earthmoving and grading operations.
Adding the compatible RD20 wireless in-cab display can further improve visibility by bringing the receiver information directly to the operator.
Allen Precision Equipment Support
Need help determining whether the LR30W is appropriate for your equipment or laser setup?
Allen Precision Equipment can assist with machine-control receivers, compatible displays, mounting solutions, construction lasers, and other grade-control equipment.
Call or Text: 1-800-241-6223
Email: sales@allenprecision.com
Frequently Asked Questions
What is the Spectra Precision LR30W used for?
The LR30W is a machine-mounted laser receiver designed to provide grade information for equipment used in applications such as grading, excavation, earthmoving, and site preparation.
Does the LR30W detect the laser from every direction?
Yes. The receiver provides 360-degree laser reception, allowing it to detect a compatible rotating laser signal from around the machine.
What accuracy settings are available?
The LR30W provides three selectable grading tolerances: 5 mm fine, 12 mm standard, and 32 mm wide.
Can grade information be displayed inside the machine cab?
Yes. The LR30W supports wireless communication with the compatible Spectra Precision RD20 in-cab display.
What is the wireless operating range?
The specified wireless range between the LR30W and RD20 is up to approximately 130 meters (425 feet).
How long will the batteries operate?
Runtime depends on battery type, LED brightness, and wireless operation. The supplied specifications range from approximately 20 hours to 75 hours depending on configuration and use.
Is the LR30W weather resistant?
The LR30W carries an IP66 environmental rating for protection against dust and water exposure.
How many grade display channels does it have?
The LR30W uses a five-channel display to communicate the machine's position relative to the established grade.
Can the LR30W be used for both rough and finish grading?
Yes. The three selectable accuracy settings allow the receiver to be configured for different stages of grading, from broader-tolerance earthmoving to more precise grade work.
No specifications available for this product.