Aluminum Tripod Q104025 comes standard with Spectra Precision LL300N-1 Laser Package

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At a Glance

Model: Spectra Precision LL300N-1-PROMAG
Laser Class: Class IIIa / Class 3R, 635nm Red Beam
Self-leveling Range: ±5° automatic compensator
Grade Range: ±10% on both X and Y axes simultaneously
Grade Accuracy: ±1.5 arc seconds (±0.5mm/m)
Working Diameter: Up to 2,000 ft (610m) with CR700 receiver

Spectra PrecisionLL300N-1-PROMAGSKU Spectra Precision M302New

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Spectra Precision LL300N-1-PROMAG Laser Package with CR700 Receiver, Remote, TENTHS-Rod and Tripod - Rechargeable

Name: Spectra Precision LL300N-1-PROMAG Laser Package with CR700 Receiver, Remote, TENTHS-Rod and Tripod - Rechargeable
Brand: Spectra Precision
SKU: Spectra Precision M302
Price: 1595.00 USD
Availability: InStock

$1595.00

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±5° automatic compensator Range

Cover large layout jobs with a ±5° automatic compensator working reach.

±1.5 arc seconds (±0.5mm/m) Accuracy

Hold grade with a ±1.5 arc seconds (±0.5mm/m) accuracy rating.

Grade Range

Handles ±10% on both X and Y axes simultaneously so crews can match design slopes.

Power Source

Runs on Rechargeable Lithium-Ion battery pack for jobsite flexibility.

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Eliminates the grade checker

Grade checkers cost $600-800/day. A rotary laser setup pays for itself in weeks and works indefinitely.

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Quick Answer

What is the Spectra Precision LL300N-1-PROMAG?

The Spectra Precision LL300N-1-PROMAG is a professional rotary laser level system designed for construction grading and layout work. It features a Class IIIa red beam laser with up to 2,000 ft working diameter, automatic self-leveling within ±5°, and grade accuracy of ±1.5 arc seconds. It's available from Express Tools.

FIELD APPLICATIONS

What contractors use this rotary lasers for

Site Grading

Cut/fill earthwork, building pad preparation, base compaction

Concrete Flatwork

Slab pours, floor leveling, tilt-up panel layout

Machine Control

Grade control reference for motor graders and scrapers

Foundation Layout

Benchmark elevation transfer, footing forms, stem walls

PRODUCT OVERVIEW

Product Description

When your grading and excavation work demands decimal-foot precision, the Spectra Precision LL300N-1-PROMAG Laser Package is built for the job. This factory-integrated system combines the LL300N-1 dual-grade rotary laser with a CR700 digital grade receiver, RC703 wireless remote control, tenths-graduated grade rod, and a magnetic mount tripod—delivering everything a crew needs to establish, monitor, and verify elevation control on professional job sites. Whether you're cutting a pad, grading a parking lot, or shooting drainage slopes, this kit is dialed in for decimal-foot workflows right out of the box.

Overview & Jobsite Applications

The LL300N-1-PROMAG is engineered for contractors who work in decimal-foot environments—civil grading, site development, excavation, and utility layout. The LL300N-1 laser spins a 635nm red beam with a self-leveling range of ±5° and delivers dual-axis grade capability, allowing you to set independent X and Y slopes simultaneously. The CR700 receiver picks up the beam at distances up to 2,000 feet in diameter under normal conditions, with a clear numeric display so rod men can read cut and fill instantly without calling back to the instrument. The RC703 remote lets the operator adjust grade and elevation from anywhere on the site—no walking back to the tripod between setups. The tenths rod and magnetic tripod complete a system that steps onto the job site ready to work.

Key Specifications

Model: Spectra Precision LL300N-1-PROMAG
Laser Class: Class IIIa / Class 3R, 635nm Red Beam
Self-Leveling Range: ±5° automatic compensator
Grade Range: ±10% on both X and Y axes simultaneously
Grade Accuracy: ±1.5 arc seconds (±0.5mm/m)
Working Diameter: Up to 2,000 ft (610m) with CR700 receiver
Rotation Speed: 150, 300, or 600 RPM selectable
Power Source: Rechargeable Lithium-Ion battery pack
Battery Life: Up to 40 hours per charge
IP Rating: Dustproof and water-resistant for all-weather operation
Receiver: CR700 digital grade receiver with numeric display
Remote Control: RC703 wireless remote, operates up to 300 ft
Grade Rod: Tenths-graduated (decimal-foot) grade rod included
Tripod: Magnetic mount tripod included

What's in the Kit

Spectra Precision LL300N-1 Dual-Grade Rotary Laser
CR700 Digital Grade Receiver with numeric cut/fill display
RC703 Wireless Remote Control
Tenths-Graduated (Decimal-Foot) Grade Rod
Magnetic Mount Tripod
Rechargeable Li-Ion Battery Pack & Charger
Carrying Case
Operator's Manual

Job Site Applications

Site Grading & Earthwork: Set dual-axis grade on cut-and-fill operations across large pads. The RC703 remote lets the grade setter adjust slope percentages without leaving the machine, keeping dozers and scrapers moving.

Parking Lot & Pavement Layout: Decimal-foot grading is standard in paving and flatwork. The tenths rod allows crews to verify elevations in the same units shown on civil drawings, reducing conversion errors during sub-base prep and finish grading.

Drainage & Utility Slope Control: Establish precise fall on storm drain lines, swales, and detention basin floors. The LL300N-1's dual-grade capability lets you independently control cross-slope and longitudinal slope on the same setup.

Foundation & Building Pad Excavation: Use the CR700 receiver on the grade rod to confirm cut depths and bottom-of-footing elevations across large excavations, maintaining consistent control across the full working diameter of the instrument.

Compatible Accessories

Frequently Asked Questions

Can the LL300N-1 set two different grades at the same time?: Yes. The LL300N-1 features independent dual-axis grade control, allowing you to dial in separate slope percentages on the X and Y axes simultaneously—ideal for crowned surfaces, parking lots with cross-fall, or drainage structures requiring compound slopes.
What is the advantage of the tenths grade rod included in this package?: The tenths-graduated rod reads in decimal feet, which matches the units used on most civil engineering drawings and site plans. This eliminates the need to convert between fractions and decimals in the field, reducing errors and speeding up grade verification.
How far away can the RC703 remote control operate?: The RC703 wireless remote is rated for operation up to approximately 300 feet (90 meters) from the instrument under typical job site conditions, allowing a single operator to adjust elevation and grade settings from the rod location without returning to the tripod.
Is the LL300N-1-PROMAG package covered by a manufacturer warranty?: As an authorized Spectra Precision dealer, Express Tools sells the LL300N-1-PROMAG as a factory-integrated kit backed by Spectra Precision's standard manufacturer warranty. Contact our team for current warranty terms or to register your instrument after purchase.

Why This Equipment

Auto Self-Leveling

Compensates for job site movement and setups — no manual leveling required.

Long Range

Reach 2,600+ ft with a receiver — covers large pads and site-wide grading without moving.

IP55+ Protection

Dust-tight and water jet resistant — built for outdoor construction in any weather.

Radio Remote

Change grade or elevation from the cab or anywhere on site without walking back.

Why Buy This?

The right rotary laser pays for itself in weeks.

A grade checker costs $600–800 per day. A quality rotary laser setup eliminates that cost indefinitely — and works faster. One operator with a good laser and receiver can cover ground that used to take a two-person crew.

The gap between a budget unit and a professional-grade one shows up in the field: self-leveling range on uneven pads, IP55+ protection through rain and dust, and radio remote control so you're not walking back to the instrument every time the job moves.

Express Tools is an authorized dealer with genuine, factory-fresh inventory and same-day shipping on in-stock units. We know this equipment and can answer spec questions before you order.

TECHNICAL SPECS

Specifications

Technical Specs

Manufacturer data and field-verified measurements.

Model	Spectra Precision LL300N-1-PROMAG
Laser Class	Class IIIa / Class 3R, 635nm Red Beam
Self-leveling Range	±5° automatic compensator
Grade Range	±10% on both X and Y axes simultaneously
Grade Accuracy	±1.5 arc seconds (±0.5mm/m)
Working Diameter	Up to 2,000 ft (610m) with CR700 receiver
Rotation Speed	150, 300, or 600 RPM selectable
Power Source	Rechargeable Lithium-Ion battery pack
Battery Life	Up to 40 hours per charge
IP Rating	Dustproof and water-resistant for all-weather operation
Receiver	CR700 digital grade receiver with numeric display
Remote Control	RC703 wireless remote, operates up to 300 ft
Grade Rod	Tenths-graduated (decimal-foot) grade rod included
Tripod	Magnetic mount tripod included
Working Range	Up to 2,000 ft (610m) with CR700 receiver
Power	Rechargeable Lithium-Ion battery pack