Bosch GLM 250 VF Professional Laser Measure
The Bosch GLM 250 VF Professional Laser Measure features a 0.05-250m measuring range with ±1 mm accuracy and an integrated telescopic viewfinder for optimal laser point visibility up to 250m . Measurement time is <0.5s typical . Includes area, volume, and indirect height calculation via Pythagoras functions . Memory capacity stores up to 30 values . Robust IP54 dust and splash protection with rubberised edges and corners . Power supply: 4 x 1.5V LR03 (AAA) batteries . Weight: 0.24 kg . Tripod thread: 1/4″ . Suitable for surveyors, civil engineers, construction professionals, and architects. Order numbers: 0 601 072 170, 0 601 072 100, 0 601 072 1B0 .
Table of Contents
ToggleBosch GLM 250 VF Professional Laser Measure
PRIMARY USES
1. Long-Distance Measurement for Construction, Surveying, and Civil Engineering
Primary Use: A professional handheld laser distance measure (0.05-250m range, ±1 mm accuracy) used for fast, accurate distance measurement in large-scale construction and surveying applications. Essential for surveyors, civil engineers, and construction professionals requiring precise measurements over long distances for site grading, large building layouts, and road construction projects .
How it helps: For surveyors, civil engineers, and construction managers, the laser measure provides instant, one-person measurements over extreme distances. The 250m working range with integrated viewfinder eliminates the need for traditional tape measures or surveying chains, allowing for precise measurements in outdoor conditions. The GLM 250 VF can make indirect and highly accurate measurements of heights and widths using various Pythagoras functions .
2. Outdoor and Indoor Measurement with Integrated Viewfinder
Primary Use: The integrated telescopic viewfinder enables measurement in bright sunlight and over long distances where the laser point would otherwise be invisible to the naked eye.
How it helps: The integrated viewfinder provides optimal visibility of the laser point up to 250m, making it ideal for outdoor use even in adverse lighting conditions . The large glass lens and ceramic optics carrier deliver maximum measurement performance and precision .
3. Area, Volume, and Indirect Height Calculations
Primary Use: Automatically calculates surface areas, room volumes, and indirect heights using built-in measurement functions.
How it helps: The tool calculates areas and volumes for material estimation, eliminating manual calculations and reducing errors . The wall area function provides a straightforward way of determining the entire area of multiple walls – up to ten times faster than a tape measure and pocket calculator . Functions include simple Pythagoras for indirect height measurement, combined Pythagoras for partial height measurement, and double Pythagoras for convenient tripod measurements and height calculations in hard-to-reach areas . Additional functions include trapezoid function for measuring roof inclinations, timer function for precise measuring with tripod, and a surveying function to mark recurring distances .
SECONDARY USES
1. Stake-out and Marking: The stake-out function enables marking of recurring distances, making it ideal for laying out construction grids and repetitive measurement tasks .
2. Measurement Memory: Stores up to 30 measurements for later reference and documentation, enabling comparison and data transfer .
3. Minimum/Maximum Measurement: The minimum/maximum function enables measurement of room diagonals and shortest/longest distances from a reference point .
4. Timer Function: Allows precise measuring with tripod or from difficult measuring points, enabling hands-free operation for accurate measurements .
5. Multifunctional Measuring Pin: Enables precise measurement from hard-to-reach areas and edges, increasing versatility in complex measurement scenarios .
6. Construction Site Use: Robust for use on the construction site with dust and splash protection of IP54 .
7. Indirect Measurement: Can be used for indirect and highly accurate measurements of heights and widths using various Pythagoras functions .
8. Architectural and Interior Measurement: Suitable for measuring large interior spaces quickly and easily .
1. BASIC IDENTIFICATION ATTRIBUTES
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Device Type: Laser distance measurer; not a medical device.
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Designation: Bosch GLM 250 VF Professional
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Order Numbers: 0 601 072 170, 0 601 072 100, 0 601 072 1B0
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Measuring Range: 0.05 – 250.00 m
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Measuring Accuracy: ± 1.0 mm
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Laser Diode: 635 nm, < 1 mW
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Laser Class: Class 2
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Viewfinder: Integrated telescopic viewfinder for optimal visibility of the laser point
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Country of Origin: India
2. TECHNICAL & PERFORMANCE PROPERTIES
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Primary Action: Distance measurement via time-of-flight laser technology .
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Measurement Time, Typical: < 0.5 s
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Measurement Time, Max: 4 s
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Units of Measurement: m/cm/mm
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Memory Capacity: 30 values
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Power Supply: 4 x 1.5V LR03 (AAA) batteries
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Automatic Deactivation: 5 minutes
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Dust and Splash Protection: IP54
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Tripod Thread: 1/4"
3. PHYSICAL & OPERATIONAL PROPERTIES
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Preparation: Insert 4 AAA batteries. Select measurement reference point (front, rear, or tripod thread). Use the viewfinder for long-distance or bright-light measurements.
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Usage Instructions: Point laser at target surface. Use the integrated viewfinder to see the laser point clearly up to 250m . Press the measure button. Use built-in functions for area, volume, and indirect height calculations . The large illuminated four-line display provides clear readability .
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Ergonomics: Sturdy housing with rubberised edges and corners for impact protection . Rubberized edges and corners protect the device if dropped or knocked .
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Storage Conditions: Store in a dry, secure place in the included protective pouch .
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Cleaning: Clean housing with soft, dry cloth. Clean the viewfinder lens and laser aperture carefully without scratching.
4. SAFETY & COMPLIANCE ATTRIBUTES
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Safety Classification: Class 2 laser product (<1mW). Avoid direct eye exposure. Do not point at people or animals.
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Laser Safety: Complies with IEC 60825-1 standard.
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Environmental Protection: IP54 protection against dust and water splashes . The entire tool and battery compartment are dust and splash protected .
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Included Accessories: 4 x AAA batteries, protective pouch, hand strap, manufacturer's certificate .
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Regulatory: Complies with relevant CE and UKCA standards.
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Warranty: 6 months .
5. STORAGE & HANDLING ATTRIBUTES
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Storage: Store in a dry, secure place. Remove batteries if storing for extended periods.
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Inspection: Regularly inspect device for damage. Check the viewfinder lens and laser aperture for cleanliness.
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Usage: Do not use in explosive atmospheres. Do not measure through transparent surfaces. Use the viewfinder for outdoor measurements .
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Battery Life: Approximately 30,000 individual measurements or 5 hours of continuous use per full charge .
1. SAFETY PRECAUTIONS
Laser Safety: This device is a Class 2 laser product. Do not stare directly into the laser beam. Do not point the laser at mirrors, reflective surfaces, or into the eyes of people or animals.
Environmental Safety: IP54 protection allows for dust and splash protection but not immersion. Avoid extreme temperatures. Do not immerse in water.
Battery Safety: Use only recommended battery types (4 x AAA). Do not mix old and new batteries. Remove batteries if device will not be used for long periods.
Operational Safety: Ensure the target surface is stable and reflective. Measuring through transparent materials (glass, plastic) will produce incorrect results. For long-distance or outdoor measurements, use the integrated viewfinder . The viewfinder ensures optimum visibility of the laser point up to 250m .
Maintenance: Clean the viewfinder lens and laser aperture regularly with a soft cloth. Do not use aggressive cleaning agents. Have repairs performed only by authorised service centres.
Training requirement: Operators should be familiar with basic measurement functions, Pythagoras calculations, and safety precautions. Supervisors should ensure all safety protocols are followed, particularly regarding laser safety.
2. FIRST AID MEASURES
Eye Exposure (laser beam): If laser beam enters the eye, close eyes and turn head away immediately. If irritation persists, seek medical attention.
Skin Contact: Generally not harmful. If irritation develops, wash with soap and water.
Battery Leakage: Avoid skin contact with battery acid. Wash affected area with soap and water. Seek medical attention if irritation occurs. If acid enters eyes, rinse with plenty of clean water for at least 15 minutes and seek immediate medical attention.
Inhalation: Not applicable for normal use.
Ingestion: Not applicable for normal use.
3. FIRE FIGHTING MEASURES
Flammability: Device housing is not highly flammable but may burn if exposed to fire. Batteries may leak or rupture if exposed to high temperatures.
Extinguishing Media: Use water spray, foam, dry chemical powder, or carbon dioxide (CO₂) for fires involving tools.
Fire Response: In event of fire, evacuate the area and call emergency services. Use appropriate extinguishers. Do not inhale fumes from burning batteries or plastics.
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