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BOSCH GRL 350 HV Prof Point Laser Measuring Instrument
The BOSCH GRL 350 HV Prof is a professional-grade point laser measuring instrument designed for precision alignment and layout tasks in construction, surveying, and industrial applications. This rotary laser delivers a bright red laser point with exceptional visibility up to 50 meters in daylight conditions, making it ideal for establishing reference points on vertical and horizontal planes. Construction professionals, site engineers, and contractors rely on this instrument to eliminate measurement errors and accelerate project timelines by providing accurate point positioning for wall plumbing, ceiling alignment, and equipment installation.
Product Overview
The BOSCH GRL 350 HV Prof operates on the principle of laser point projection, utilizing a high-visibility red laser diode that generates a concentrated beam capable of penetrating ambient light conditions. The instrument features a self-leveling mechanism with a pendulum compensator that automatically maintains laser point accuracy within a specified tolerance range, typically ±3mm at 30 meters. This automatic leveling system eliminates manual adjustment requirements and ensures consistent point projection even on slightly uneven surfaces, making it exceptionally reliable for fast-paced construction environments where setup time directly impacts productivity.
What distinguishes the GRL 350 HV from standard point lasers is its enhanced brightness output and robust construction designed for demanding jobsite conditions. The instrument incorporates Bosch's proprietary optical design that maximizes laser point intensity while maintaining beam divergence characteristics that produce sharp, visible spots at extended distances. The weatherproof housing with IP54 rating protects internal components from dust and water spray, ensuring operational reliability in outdoor construction environments. The compact, ergonomic design with integrated carrying case facilitates easy transport between job locations, while the durable metal housing withstands accidental drops and impacts typical in construction work.
Key Specifications
| Specification | Details |
| Product Type | Professional Point Laser Measuring Instrument |
| Brand | BOSCH |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
| Laser Type | Red Laser Diode, Class 3R |
| Laser Wavelength | 650 nanometers |
| Range in Daylight | Up to 50 meters with visible point |
| Self-Leveling Range | ±4 degrees |
| Accuracy | ±3mm at 30 meters |
| IP Rating | IP54 (dust and water resistant) |
| Operating Temperature | -10°C to +50°C |
| Power Source | AA batteries (4 required) |
| Battery Runtime | Approximately 30 hours continuous operation |
| Weight | Approximately 580 grams |
| Dimensions | Compact portable design with carrying case |
Key Features
- High-Visibility Red Laser Point: 650nm laser diode delivers bright, sharp point visible up to 50 meters in daylight conditions, eliminating visibility issues on bright construction sites
- Automatic Self-Leveling System: Pendulum compensator maintains laser point accuracy within ±3mm at 30 meters without manual adjustment, saving setup time and reducing operator error
- IP54 Weatherproof Rating: Dust and water-resistant housing protects internal components from construction site conditions including concrete dust, water spray, and environmental exposure
- Extended Battery Runtime: Four AA batteries provide approximately 30 hours of continuous operation, minimizing battery replacement frequency during extended project phases
- Compact Portable Design: Lightweight construction with integrated carrying case enables easy transport between multiple jobsites and storage in vehicle equipment racks
- Class 3R Laser Safety: Complies with international laser safety standards, allowing safe operation in occupied construction environments with proper user awareness
- Wide Operating Temperature Range: Functions reliably from -10°C to +50°C, maintaining accuracy in extreme seasonal conditions from winter construction to summer outdoor projects
Applications and Use Cases
- Vertical Wall Plumbing: Establish precise vertical reference lines for wall construction, partition installation, and facade alignment, ensuring plumb accuracy for multi-story building projects
- Ceiling Height Reference: Project horizontal laser points for suspended ceiling installation, ensuring uniform ceiling heights across large floor areas and maintaining architectural specifications
- Equipment Installation Alignment: Position industrial machinery, HVAC units, and structural components with precision point references, critical for operational efficiency and safety compliance
- Concrete Foundation Layout: Mark reference points for foundation corners, column positions, and structural grid lines before concrete pouring, preventing costly rework and construction delays
- Interior Finishing Work: Guide tile installation, door frame positioning, and architectural feature alignment with visible laser point references, improving aesthetic quality and dimensional accuracy
- Surveying and Site Preparation: Establish elevation benchmarks and horizontal datums for site grading, excavation, and landscape feature positioning in civil engineering projects
How to Use
Begin by inserting four AA batteries into the instrument's battery compartment, ensuring proper polarity alignment as indicated inside the housing. Place the GRL 350 HV on a stable, level surface such as a tripod, flat ground, or construction platform. Power on the instrument using the integrated switch, allowing 3-5 seconds for the self-leveling pendulum compensator to stabilize and project the laser point. The automatic leveling system will activate, and the laser point will appear on your target surface. If the instrument is tilted beyond the ±4 degree self-leveling range, an indicator light will alert you to reposition the device until it achieves proper level orientation.
For optimal accuracy and visibility, ensure the laser point target surface is clean and free from reflective coatings that could obscure the point. In bright daylight conditions, use a laser target card or reflective surface to enhance point visibility when projecting onto distant surfaces. Always maintain a clear line of sight between the instrument and your target area, avoiding obstructions that block the laser beam. When finished, power off the instrument and remove batteries if storage will exceed two weeks, preventing potential battery leakage damage to internal components. Store the device in its protective carrying case in a dry location away from extreme temperature fluctuations.
Frequently Asked Questions
What is the maximum effective range of the BOSCH GRL 350 HV in outdoor daylight conditions?
The GRL 350 HV produces a visible laser point up to 50 meters in typical daylight conditions. However, visibility diminishes in bright direct sunlight or reflective environments. For distances beyond 30 meters, we recommend using a laser target card to enhance point visibility and ensure accurate positioning. The ±3mm accuracy specification is guaranteed at 30 meters distance under standard conditions.
How does the self-leveling mechanism work and what happens if the device exceeds its leveling range?
The GRL 350 HV incorporates a pendulum compensator system that automatically adjusts the laser point projection to maintain horizontal or vertical accuracy when the device is tilted up to ±4 degrees from level. If you position the instrument beyond this range, the self-leveling mechanism cannot compensate, and an indicator light activates to alert you. Simply reposition the device on a more level surface until the indicator deactivates and the laser point stabilizes.
Is the BOSCH GRL 350 HV suitable for outdoor use in rain and dusty construction environments?
Yes, the IP54 weatherproof rating ensures the instrument withstands dust ingestion and water spray typical of construction sites. However, IP54 does not provide complete submersion protection, so avoid prolonged exposure to heavy rain or direct water jets. After exposure to dust or water, gently wipe the exterior housing and optical window with a soft, dry cloth. Store in the protective carrying case to prevent moisture accumulation during transport.
What battery type does the GRL 350 HV require and how long will batteries last?
The instrument requires four standard AA batteries. With continuous operation, a fresh set of AA batteries provides approximately 30 hours of runtime. For intermittent use typical of construction projects, a single battery set may last several weeks. We recommend carrying spare batteries on jobsites to avoid work interruptions. Always remove batteries during extended storage periods exceeding two weeks to prevent potential leakage damage.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.
What is your return and warranty policy?
We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.
Why Buy from The Engineer Store
- Genuine Products: Sourced directly from authorized distributors with authentication
- Expert Team: Our technical team validates every product before listing
- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
- Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
- Technical Support: 24/7 expert guidance via email and WhatsApp
- Returns: 7-day return policy on manufacturing defects only
Buy BOSCH GRL 350 HV Prof Point Laser Measuring Instrument Online in India
Purchase the BOSCH GRL 350 HV Prof Point Laser Measuring Instrument online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on BOSCH GRL 350 HV Prof Point Laser Measuring Instrument with fast shipping and expert support.
Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.
BOSCH GRL 350 HV Prof Point Laser Measuring Instrument
The BOSCH GRL 350 HV Prof is a professional-grade point laser measuring instrument designed for precision alignment and layout tasks in construction, surveying, and industrial applications. This rotary laser delivers a bright red laser point with exceptional visibility up to 50 meters in daylight conditions, making it ideal for establishing reference points on vertical and horizontal planes. Construction professionals, site engineers, and contractors rely on this instrument to eliminate measurement errors and accelerate project timelines by providing accurate point positioning for wall plumbing, ceiling alignment, and equipment installation.
Product Overview
The BOSCH GRL 350 HV Prof operates on the principle of laser point projection, utilizing a high-visibility red laser diode that generates a concentrated beam capable of penetrating ambient light conditions. The instrument features a self-leveling mechanism with a pendulum compensator that automatically maintains laser point accuracy within a specified tolerance range, typically ±3mm at 30 meters. This automatic leveling system eliminates manual adjustment requirements and ensures consistent point projection even on slightly uneven surfaces, making it exceptionally reliable for fast-paced construction environments where setup time directly impacts productivity.
What distinguishes the GRL 350 HV from standard point lasers is its enhanced brightness output and robust construction designed for demanding jobsite conditions. The instrument incorporates Bosch's proprietary optical design that maximizes laser point intensity while maintaining beam divergence characteristics that produce sharp, visible spots at extended distances. The weatherproof housing with IP54 rating protects internal components from dust and water spray, ensuring operational reliability in outdoor construction environments. The compact, ergonomic design with integrated carrying case facilitates easy transport between job locations, while the durable metal housing withstands accidental drops and impacts typical in construction work.
Key Specifications
| Specification | Details |
| Product Type | Professional Point Laser Measuring Instrument |
| Brand | BOSCH |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
| Laser Type | Red Laser Diode, Class 3R |
| Laser Wavelength | 650 nanometers |
| Range in Daylight | Up to 50 meters with visible point |
| Self-Leveling Range | ±4 degrees |
| Accuracy | ±3mm at 30 meters |
| IP Rating | IP54 (dust and water resistant) |
| Operating Temperature | -10°C to +50°C |
| Power Source | AA batteries (4 required) |
| Battery Runtime | Approximately 30 hours continuous operation |
| Weight | Approximately 580 grams |
| Dimensions | Compact portable design with carrying case |
Key Features
- High-Visibility Red Laser Point: 650nm laser diode delivers bright, sharp point visible up to 50 meters in daylight conditions, eliminating visibility issues on bright construction sites
- Automatic Self-Leveling System: Pendulum compensator maintains laser point accuracy within ±3mm at 30 meters without manual adjustment, saving setup time and reducing operator error
- IP54 Weatherproof Rating: Dust and water-resistant housing protects internal components from construction site conditions including concrete dust, water spray, and environmental exposure
- Extended Battery Runtime: Four AA batteries provide approximately 30 hours of continuous operation, minimizing battery replacement frequency during extended project phases
- Compact Portable Design: Lightweight construction with integrated carrying case enables easy transport between multiple jobsites and storage in vehicle equipment racks
- Class 3R Laser Safety: Complies with international laser safety standards, allowing safe operation in occupied construction environments with proper user awareness
- Wide Operating Temperature Range: Functions reliably from -10°C to +50°C, maintaining accuracy in extreme seasonal conditions from winter construction to summer outdoor projects
Applications and Use Cases
- Vertical Wall Plumbing: Establish precise vertical reference lines for wall construction, partition installation, and facade alignment, ensuring plumb accuracy for multi-story building projects
- Ceiling Height Reference: Project horizontal laser points for suspended ceiling installation, ensuring uniform ceiling heights across large floor areas and maintaining architectural specifications
- Equipment Installation Alignment: Position industrial machinery, HVAC units, and structural components with precision point references, critical for operational efficiency and safety compliance
- Concrete Foundation Layout: Mark reference points for foundation corners, column positions, and structural grid lines before concrete pouring, preventing costly rework and construction delays
- Interior Finishing Work: Guide tile installation, door frame positioning, and architectural feature alignment with visible laser point references, improving aesthetic quality and dimensional accuracy
- Surveying and Site Preparation: Establish elevation benchmarks and horizontal datums for site grading, excavation, and landscape feature positioning in civil engineering projects
How to Use
Begin by inserting four AA batteries into the instrument's battery compartment, ensuring proper polarity alignment as indicated inside the housing. Place the GRL 350 HV on a stable, level surface such as a tripod, flat ground, or construction platform. Power on the instrument using the integrated switch, allowing 3-5 seconds for the self-leveling pendulum compensator to stabilize and project the laser point. The automatic leveling system will activate, and the laser point will appear on your target surface. If the instrument is tilted beyond the ±4 degree self-leveling range, an indicator light will alert you to reposition the device until it achieves proper level orientation.
For optimal accuracy and visibility, ensure the laser point target surface is clean and free from reflective coatings that could obscure the point. In bright daylight conditions, use a laser target card or reflective surface to enhance point visibility when projecting onto distant surfaces. Always maintain a clear line of sight between the instrument and your target area, avoiding obstructions that block the laser beam. When finished, power off the instrument and remove batteries if storage will exceed two weeks, preventing potential battery leakage damage to internal components. Store the device in its protective carrying case in a dry location away from extreme temperature fluctuations.
Frequently Asked Questions
What is the maximum effective range of the BOSCH GRL 350 HV in outdoor daylight conditions?
The GRL 350 HV produces a visible laser point up to 50 meters in typical daylight conditions. However, visibility diminishes in bright direct sunlight or reflective environments. For distances beyond 30 meters, we recommend using a laser target card to enhance point visibility and ensure accurate positioning. The ±3mm accuracy specification is guaranteed at 30 meters distance under standard conditions.
How does the self-leveling mechanism work and what happens if the device exceeds its leveling range?
The GRL 350 HV incorporates a pendulum compensator system that automatically adjusts the laser point projection to maintain horizontal or vertical accuracy when the device is tilted up to ±4 degrees from level. If you position the instrument beyond this range, the self-leveling mechanism cannot compensate, and an indicator light activates to alert you. Simply reposition the device on a more level surface until the indicator deactivates and the laser point stabilizes.
Is the BOSCH GRL 350 HV suitable for outdoor use in rain and dusty construction environments?
Yes, the IP54 weatherproof rating ensures the instrument withstands dust ingestion and water spray typical of construction sites. However, IP54 does not provide complete submersion protection, so avoid prolonged exposure to heavy rain or direct water jets. After exposure to dust or water, gently wipe the exterior housing and optical window with a soft, dry cloth. Store in the protective carrying case to prevent moisture accumulation during transport.
What battery type does the GRL 350 HV require and how long will batteries last?
The instrument requires four standard AA batteries. With continuous operation, a fresh set of AA batteries provides approximately 30 hours of runtime. For intermittent use typical of construction projects, a single battery set may last several weeks. We recommend carrying spare batteries on jobsites to avoid work interruptions. Always remove batteries during extended storage periods exceeding two weeks to prevent potential leakage damage.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.
What is your return and warranty policy?
We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.
Why Buy from The Engineer Store
- Genuine Products: Sourced directly from authorized distributors with authentication
- Expert Team: Our technical team validates every product before listing
- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
- Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
- Technical Support: 24/7 expert guidance via email and WhatsApp
- Returns: 7-day return policy on manufacturing defects only
Buy BOSCH GRL 350 HV Prof Point Laser Measuring Instrument Online in India
Purchase the BOSCH GRL 350 HV Prof Point Laser Measuring Instrument online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on BOSCH GRL 350 HV Prof Point Laser Measuring Instrument with fast shipping and expert support.
Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.