Mountlaser Rotary Laser Level | Precision Leveling

Rotary Laser Level

KRL-340 Series

4 Models

KRL-340R

Red laser

LaserRed laser (635nm~10nm) Upper/Lower Dot

LevelingElectronic leveling (1 gyroscope + 3 individual...)

LaserGreen laser (515nm~30nm) Upper/Lower Dot

LevelingElectronic leveling (1 gyroscope + 3 individual...)

LaserRed laser (635nm~10nm) Upper/Lower Dot

LevelingElectronic leveling (1 gyroscope + 3 individual...)

LaserGreen laser (515nm~30nm) Upper/Lower Dot

LevelingElectronic leveling (1 gyroscope + 3 individual...)

Accuracy±0.35mm/10m

範囲≥800m

IP GradeIP64

Rotary Laser Level

KRL-405 Series

2 Models

KRL-405PR

Red laser

LaserRed laser (635nm~10nm)

LevelingElectronic leveling (1 gyroscope + 2 dual axis ...)

LaserGreen laser (515nm~30nm)

LevelingElectronic leveling (1 gyroscope + 2 dual axis ...)

Accuracy±0.5mm/10m

範囲≥800m

IP GradeIP65

Rotary Laser Level

KRL-420 Series

2 Models

KRL-420R

Red laser

LaserRed laser (635nm~30nm) Upper/Lower Dot

LevelingElectronic leveling (1 gyroscope + 1 dual axis ...)

LaserGreen laser (515nm~30nm) Upper/Lower Dot

LevelingElectronic leveling (1 gyroscope + 1 dual axis ...)

Accuracy±0.5mm/10m

範囲≥800m

IP GradeIP65

Rotary Laser Level

KRL-540 Series

2 Models

KRL-540R

Red laser

LaserRed laser (635nm~30nm) Upper/Lower Dot

LevelingElectronic leveling (1 gyroscope + 1 dual axis ...)

LaserGreen laser (515nm~30nm) Upper/Lower Dot

LevelingElectronic leveling (1 gyroscope + 1 dual axis ...)

Accuracy±0.35mm/10m

範囲≥800m

IP GradeIP65

Rotary Laser Level

KRL-640 Series

2 Models

KRL-640R

Red laser

LaserRed laser (635nm~30nm) Upper/Lower Dot

LevelingElectronic leveling (2 gyroscopes + 1 dual axis...)

LaserGreen laser (515nm~30nm) Upper/Lower Dot

LevelingElectronic leveling (2 gyroscopes + 1 dual axis...)

Accuracy±0.25mm/10m

範囲≥800m

IP GradeIP65

Overview

Complete 360° Coverage

Projects a continuous 360-degree laser plane, providing accurate leveling and alignment for large-scale applications.

Automatic Precision Adjustment

The self-leveling system quickly compensates for slight inclinations, ensuring reliable and consistent measurements.

Extended Range, Greater Productivity

Offers a long operating distance to handle expansive indoor and outdoor projects with ease.

Built for Tough Environments

Engineered with a rugged housing to withstand dust, impacts, and demanding construction site conditions.

Versatile for Every Task

Supports horizontal, vertical, and slope applications, delivering flexible solutions for various leveling and alignment needs.

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FAQ

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How often should I calibrate my KRL rotary laser level?

The KRL series features advanced electronic leveling with a self-leveling range of ±5° and accuracy from ±0.5 mm/10 m to ±0.25 mm/10 m. Periodic verification is essential after transport, drops, or extreme temperature swings. Recommended schedule includes daily visual checks, weekly full calibration cycles, immediate re-level after impacts, and annual factory service for high-precision models. All models support remote-controlled calibration and include vibration alert mode.

Can the KRL series set slopes and grades for grading and layout work?

Yes, the KRL series supports full slope operation up to ±10% with remote control. Entry models offer basic tilt via remote; mid-to-premium models add two-way tilt setting, area scan options, and precise percent-grade control. Remote control reaches up to 150 m range, with optional APP control on premium models, maintaining high accuracy for grading and layout tasks.

How does the KRL handle wind, vibration, and outdoor job-site conditions?

Every KRL model includes built-in Vibration Measurement and Vibration Alert Mode that automatically detects instability. IP64 to IP65 ratings, drop protection, and reinforced rubber protection ensure durability in harsh conditions. Variable rotation speeds further stabilize the beam in wind. Use vibration alert mode, stable tripod mounting, and lower RPM for extreme conditions to maintain leveling accuracy.

Why choose green laser models and how long does the battery last in the field?

Green lasers appear up to 6× brighter than red in daylight with effective range of 800 m diameter using receivers. Lithium batteries provide 15–24 hours runtime with AC direct-supply option and quick-release packs on premium models. Green models are recommended for bright outdoor and long-range work, combining brightness, durability, and extended battery life for demanding field conditions.

What are the key advantages of the KRL series rotary laser levels?

The KRL series offers advanced electronic leveling with gyroscope and sensors for reliable self-leveling, remote and APP control for one-person operation, multiple models tailored for different needs including green laser options for superior visibility, robust IP ratings for harsh environments, and features addressing common surveyor complaints like wind drift and calibration issues.

How to choose the right KRL model for specific applications?

Select entry models like KRL-205/210 for basic grading, mid-range KRL-340/405 for enhanced slope and scan features, and premium KRL-540/640 for highest accuracy, brushless motors, and advanced controls. Consider green laser variants for outdoor visibility and ensure model matches required IP rating, battery needs, and range for the job site conditions.

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マウントレーザーについて

Mount Laser is a leading integrated Auto Level manufacturer specializing in surveying instruments and accessories, as well as laser levels and related solutions. Headquartered in Changzhou, Jiangsu Province, the company operates a 7,500 m² modern manufacturing facility and employs a dedicated team of over 150 skilled professionals. As a comprehensive solution provider, Mount Laser's product portfolio spans 13 core categories: Auto Levels, Calibration & Testing Instruments, Prisms, Surveying Accessories, Scanner Targets, GNSS, Surveying Poles, Leveling Staffs, Tripods & Bipods, Line Lasers, Rotary Lasers, Laser Level Accessories, and Agent Sales services. Committed to quality and innovation, Mount Laser serves as a trusted partner to surveying and construction professionals worldwide.

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