A comprehensive product group shot of the Bosch GRL4000-80CHK kit featuring the red beam rotary laser, LR40 receiver, CORE18V 4.0 Ah battery, charger, aluminum tripod, grade rod, and hard carrying case.
A studio shot of the Bosch REVOLVE4000 rotary laser level with an illustrated red 360-degree laser line and a digital display showing dual dial-in slope percentages for X and Y axes.
Infographic of the Bosch REVOLVE4000 highlighting key features: electronic self-leveling, red metal cage, disturbance monitor, front battery door, and onboard user interface for intuitive tool control.
A front-facing view of the Bosch GRL4000-80CH rotary laser unit, showcasing the large backlit LCD screen, Bluetooth connectivity icon, and the rugged cage overmold design for jobsite durability.
A perspective view of the Bosch REVOLVE4000 connected rotary laser showing the robust handle design and protective red housing for the self-leveling laser mechanism.
Rear view of the Bosch GRL4000-80CH rotary laser level highlighting the solid blue housing and professional branding, emphasizing its industrial-grade construction for grading and leveling.
A close-up view of the open front battery door on the Bosch rotary laser level with a Bosch CORE18V 4.0 Ah Lithium-Ion battery securely installed in the compartment.
The Bosch LR40 Laser Receiver mounted on its red bracket, featuring a built-in bubble level, digital display, and tactile buttons for X and Y axis slope adjustments.
An angled studio shot of the Bosch LR40 Laser Receiver in blue and black, showing the long reception window for detecting red laser beams over a 4,000-foot range.
A front-facing view of the LR40 Laser Receiver digital screen showing signal indicators, battery status, and precise leveling measurements for outdoor grading applications.
A close-up view of the black laser receiver bracket featuring a built-in circular bubble level and a mounting screw, designed for securing a Bosch laser receiver to a grade rod.
A Bosch BA1 alkaline battery adapter shown with two gold and black D-cell batteries partially inserted, providing a secondary power source for the rotary laser level.
An infographic highlighting the Bosch rotary laser level's performance metrics, showing an accuracy of plus or minus 1/16 inch, a 4,000-foot range, and an IP68 protection rating against dust and water.
A four-panel instructional graphic demonstrating the Bosch rotary laser level's applications in professional grading, concrete foundation work, drop ceiling installation, and dual-slope grading.
An action shot of the Bosch GRL4000-80CH rotary laser level mounted to a wall bracket in a commercial interior, projecting a level line for the installation of metal ceiling grids.
The Bosch REVOLVE4000 rotary laser level mounted on an aluminum tripod at a construction site, with the digital display showing the active slope percentages for site grading.
A construction site view of the Bosch GRL4000-80CH rotary laser mounted on a tripod in the foreground with large concrete retaining walls being built in the background.
A rugged outdoor shot of the Bosch REVOLVE4000 rotary laser level covered in rain droplets on a tripod, demonstrating its IP68 water resistance on a muddy jobsite.
A Bosch warranty graphic for the 18V Rotary Laser Kit outlining a 1-year tool warranty, a 3-year battery warranty, and a 5-year charger warranty, with instructions for online registration.
A comprehensive product group shot of the Bosch GRL4000-80CHK kit featuring the red beam rotary laser, LR40 receiver, CORE18V 4.0 Ah battery, charger, aluminum tripod, grade rod, and hard carrying case.
A studio shot of the Bosch REVOLVE4000 rotary laser level with an illustrated red 360-degree laser line and a digital display showing dual dial-in slope percentages for X and Y axes.
Infographic of the Bosch REVOLVE4000 highlighting key features: electronic self-leveling, red metal cage, disturbance monitor, front battery door, and onboard user interface for intuitive tool control.
A front-facing view of the Bosch GRL4000-80CH rotary laser unit, showcasing the large backlit LCD screen, Bluetooth connectivity icon, and the rugged cage overmold design for jobsite durability.
A perspective view of the Bosch REVOLVE4000 connected rotary laser showing the robust handle design and protective red housing for the self-leveling laser mechanism.
Rear view of the Bosch GRL4000-80CH rotary laser level highlighting the solid blue housing and professional branding, emphasizing its industrial-grade construction for grading and leveling.
A close-up view of the open front battery door on the Bosch rotary laser level with a Bosch CORE18V 4.0 Ah Lithium-Ion battery securely installed in the compartment.
The Bosch LR40 Laser Receiver mounted on its red bracket, featuring a built-in bubble level, digital display, and tactile buttons for X and Y axis slope adjustments.
An angled studio shot of the Bosch LR40 Laser Receiver in blue and black, showing the long reception window for detecting red laser beams over a 4,000-foot range.
A front-facing view of the LR40 Laser Receiver digital screen showing signal indicators, battery status, and precise leveling measurements for outdoor grading applications.
A close-up view of the black laser receiver bracket featuring a built-in circular bubble level and a mounting screw, designed for securing a Bosch laser receiver to a grade rod.
A Bosch BA1 alkaline battery adapter shown with two gold and black D-cell batteries partially inserted, providing a secondary power source for the rotary laser level.
An infographic highlighting the Bosch rotary laser level's performance metrics, showing an accuracy of plus or minus 1/16 inch, a 4,000-foot range, and an IP68 protection rating against dust and water.
A four-panel instructional graphic demonstrating the Bosch rotary laser level's applications in professional grading, concrete foundation work, drop ceiling installation, and dual-slope grading.
An action shot of the Bosch GRL4000-80CH rotary laser level mounted to a wall bracket in a commercial interior, projecting a level line for the installation of metal ceiling grids.
The Bosch REVOLVE4000 rotary laser level mounted on an aluminum tripod at a construction site, with the digital display showing the active slope percentages for site grading.
A construction site view of the Bosch GRL4000-80CH rotary laser mounted on a tripod in the foreground with large concrete retaining walls being built in the background.
A rugged outdoor shot of the Bosch REVOLVE4000 rotary laser level covered in rain droplets on a tripod, demonstrating its IP68 water resistance on a muddy jobsite.
A Bosch warranty graphic for the 18V Rotary Laser Kit outlining a 1-year tool warranty, a 3-year battery warranty, and a 5-year charger warranty, with instructions for online registration.
BOSCH

Bosch Rotary Laser Level Kit GRL4000-80CHK Red Beam CORE18V Lithium Ion Battery Tripod Grade Rod 4000 Foot Range Connected Self Leveling Grading Tool

Only 1 left
SKU: GRL4000-80CHK
$2,149.00 USD

Description

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Professional Connected Self-Leveling Rotary Laser Level Kit for Large-Scale Grading

The Bosch GRL4000-80CHK is an industrial-grade connected self-leveling rotary laser level system engineered to execute long-range exterior site grading, foundation leveling, and commercial slope alignments. Powered by a premium 18V lithium-ion platform with a 4,000-foot diameter operational range via the included LR40 receiver, this high-precision instrument delivers an accuracy rating of ±1/16-inch at 100 feet across dual-axis digital dial-in slope configurations. Built to endure severe environmental stress with an IP68-rated dust and water immersion barrier, this structural layout solution features Bluetooth remote app control and an internal uCAL user-calibration framework to eliminate jobsite calibration downtime on heavy excavation, concrete pouring, and drainage engineering infrastructure.

Best Used For:

  • Commercial Site Grading: Establishing highly precise dual-slope drainage run paths and grade elevations across extensive commercial properties.
  • Foundation Concrete Leveling: Projecting continuous, flat laser benchmarks over structural concrete form setups to ensure uniform slab thickness.
  • Civil Drainage Alignment: Programming exact X and Y axis percentage inclinations to verify grading slopes on major storm runoff networks.

Key Performance & Safety Features

  • Dual Dial-In Slope Technology: Allows independent digital inclination adjustments along both the X and Y axes directly from the interface or app.
  • IP68 Submersion Jobsite Protection: Heavy-duty rubber-overmolded cage construction seals internal optics against water immersion, airborne dust, and severe drops.
  • uCAL Step-by-Step System: User-guided digital field validation walks contractors through on-site checking to maintain accuracy compliance without shipping fees.
  • Bluetooth Low Energy Remote App: Links directly to mobile devices to control rotation velocity, standby scheduling, and angle slope variables at a distance.
  • CORE18V High-Capacity Power: Utilizes advanced 18V cell technology for extended running duration, supported by a dual alkaline D-cell conversion module.

What's Included

  • (1) GRL4000-80CH REVOLVE4000 Connected Rotary Laser
  • (1) LR40 Laser Receiver with Heavy-Duty Mounting Bracket
  • (1) GBA18V40 CORE18V Lithium-Ion 4.0 Ah Battery
  • (1) 18V Lithium-Ion Fast Battery Charger
  • (1) BT170 Heavy-Duty Aluminum Tripod Assembly
  • (1) GR13 13-Foot Optical Grade Rod
  • (1) BA1 Alkaline Battery Backup Adapter
  • (4) D-Cell Batteries & (2) AA Batteries
  • (1) Impact-Resistant Fitted Hard Carrying Case

Technical Specifications

Brand Name: Bosch
Model Number: GRL4000-80CHK
Leveling Accuracy Rating: ±1/16 in. @ 100 ft.
Operational Diameter Range: Up to 4,000 ft. (with included LR40 receiver)
Self-Leveling Pendulum Range: ±5 Degrees
Laser Diode Profile: Red Beam (635nm, Class 2)
Ingress Protection Grade: IP68 (Dustproof and Fully Submersible)
Primary Power Supply: Bosch CORE18V 4.0 Ah Lithium-Ion Pack
Tripod Mounting Interface: 5/8 in. - 11 Standard Survey Thread
Wireless Interface Protocol: Bluetooth Low Energy Technology
Operating Temperature Window: 14°F to 122°F
Gross Combined Kit Weight: 47-3/10 lbs.

Pro-Tip: When using the dual-axis slope mode on large outdoor earth-moving projects, ensure the rotary head has settled completely into its auto-level state before locking in your percentage grades. To avoid reference discrepancies from wind or heavy machinery vibrations, activate the integrated ADS shock-warning system to instantly flag tool movement on the job site.