The Spectra Precision LR50 Display Receiver (Model: LR50W-MM) is a high-performance tool designed for construction professionals and excavation operators who require precise grade control and enhanced productivity. With 360-degree reception, built-in blade tilt indicators, and a wireless remote display, this receiver ensures accuracy and efficiency in demanding applications.
Key Features:
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360-Degree Laser Reception: Delivers versatile coverage with multiple accuracy settings for increased flexibility.
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Built-In Blade Tilt Indicator: Helps operators maintain a level blade, improving accuracy and productivity.
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Center On-Grade Technology: Provides equal grade information above and below the on-grade line, streamlining grading tasks.
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Integrated Plumb Indicator: Ensures quick and precise grade checking during excavation.
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Directional Out-of-Laser Beam Indicators: Alert the operator to signal loss for faster adjustments.
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Adjustable, Ultra-Bright LED Display: Features a green on-grade display for improved visibility in any lighting conditions.
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Offset On-Grade: Utilizes the entire receiver above grade for more effective excavation.
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Wireless Connectivity: Connects seamlessly with the RD20 in-cab display for remote monitoring.
Specifications:
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Accuracy (Grading):
- Fine: 5 mm (0.20 in)
- Standard: 10 mm (0.40 in)
- Wide: 20 mm (0.80 in)
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Accuracy (Excavating):
- Fine: 12 mm (0.50 in)
- Standard: 25 mm (1.0 in)
- Wide: 50 mm (2.0 in)
- Blade-Tilt Accuracy: ± 0.5°, ± 1.5°, ± 2.5°
- Plumb-Swing Accuracy: ± 0.5°, ± 1.5°, ± 2.5°
- Vertical Reception: 171 mm (6.75 in)
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LED Battery Life:
- Alkaline Bright/Dim: 45/60 hrs
- Wireless with Remote On: 20/30 hrs
- NiMH Bright/Dim: 30/45 hrs
- Wireless with Remote On: 15/20 hrs
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Power Source: 4 x C-Cell NiMH rechargeable batteries
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Warranty: 2 years
Included Accessories:
- LR50W Receiver with Holding Clamps
- RD20 Wireless Remote Display
- MM-1 Magnetic Mount
- 4 x C-Cell NiMH Batteries
- Charger with 120V AC Adapter
- Protective Carry Case
- Instruction Manual
Frequently Asked Questions (FAQ)
Q1: How does the built-in blade tilt indicator work?
The blade tilt indicator monitors blade angles, ensuring level operation for increased accuracy and productivity.
Q2: What is the function of the center on-grade feature?
It provides equal grade information above and below the on-grade line, streamlining grading and excavation tasks.
Q3: Can this receiver be used in low-light conditions?
Yes, the adjustable ultra-bright LED display includes a green on-grade option, making it visible in any lighting condition.
Q4: How long does the battery last?
Battery life varies: up to 45 hours with NiMH batteries in dim mode, and 15–20 hours when using wireless connectivity.
Q5: Is the LR50W suitable for excavation?
Yes, it features offset on-grade and a plumb indicator, making it highly effective for excavation tasks.
Q6: How durable is the receiver?
The receiver is rugged and waterproof, designed to withstand harsh construction environments.
Q7: Is the magnetic mount included?
Yes, the package includes the MM-1 magnetic mount for secure attachment.
