Bosch GCL 2-50 C Professional Combi-Laser

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The Bosch GCL 2-50 C Professional Combi-Laser is a smart, compact tool for precise levelling and alignment tasks. It features a Bluetooth® connection for remote-control via a smartphone app and a dual power source (12V Li-ion battery or 4 x AA batteries) for maximum flexibility . With a 20m working range, ±0.3 mm/m accuracy, and IP54 protection, it is ideal for a wide range of interior applications like drywall installation and tiling . The “C” variant comes in a “kit” format, including an RM 2 rotating mount, target plate, protective bag, and batteries, ready for immediate use .
Description

Table of Contents

Bosch GCL 2-50 C Professional Combi-Laser

PRIMARY USES

1. Smart Levelling and Alignment for Interior Work
Primary Use: A self-levelling combi laser that projects two bright red laser lines (one horizontal, one vertical) and two centred plumb points, with a range of up to 20 metres (or 50 metres with a receiver) . This tool is used for fast and accurate horizontal and vertical alignments in a wide variety of interior finishing and installation tasks, such as installing drywall, laying floor tiles, and aligning fixtures .
How it helps: For professionals like electricians, carpenters, and tilers, the GCL 2-50 C streamlines the levelling process. The Bluetooth® connectivity and the Levelling Remote App enable precise remote-control adjustments from a smartphone, reducing the need for manual contact and minimising the risk of shaking the tool . The Dual Power Source technology allows for flexible use of either a 12V lithium-ion battery or standard alkaline batteries, ensuring the tool remains operational on the jobsite . Its compact design and IP54 dust and splash protection make it a reliable and portable companion for daily work .
2. Precise Positioning with Plumb Points
Primary Use: The two centred red plumb points are used to transfer reference points from the floor to the ceiling or wall to wall, for tasks such as light mounting or partition wall placement.
How it helps: For point transfer applications, the GCL 2-50 C provides fast and precise alignment. The plumb point accuracy of ±0.7 mm/m ensures that transferred points are extremely accurate .

SECONDARY USES

1. Drywall Construction: Framing and aligning partition walls with vertical and horizontal reference lines.
2. Flooring Installation: Laying floor tiles, laminate, and other floor coverings.
3. Ceiling Installation: Aligning suspended ceilings, light fixtures, and ventilation grilles.
4. Fixture Alignment: Ensuring sockets, switches, and lights are aligned at consistent heights.
About brand
**Bosch** is a leading German brand founded in **1886**, renowned for its high-quality, innovative, and reliable engineering solutions. In the hardware industry, Bosch is best known for its durable power tools, measuring equipment, and accessories, trusted by professionals and DIY users worldwide. With a strong focus on performance, precision, and innovation, Bosch continues to set the standard for quality in construction, manufacturing, and home improvement.
KEY PRODUCT FEATURES

1. BASIC IDENTIFICATION ATTRIBUTES

  • Device Type: Self-levelling combi laser; not a medical device.
  • Designation: Bosch GCL 2-50 C Professional
  • Order Number: 0 601 066 G02 (Kit variant with BT 150 tripod) / 0 601 066 G00 / 0 601 066 G03 (L-BOXX variant) 
  • Projection: 2 lines (horizontal + vertical) + 2 plumb points (top and bottom) 
  • Colour of Laser Line: Red (635 – 650 nm) 
  • Laser Class: Class 2 (< 1 mW) 

2. TECHNICAL & PERFORMANCE PROPERTIES

  • Primary Action: Projects self-levelling horizontal and vertical laser lines and plumb points.
  • Working Range: 20 metres (without receiver), 50 metres (with receiver) 
  • Accuracy: ± 0.3 mm/m (lines), ± 0.7 mm/m (plumb points) 
  • Self-Levelling Range: ± 4° 
  • Levelling Time: 4 seconds 
  • Power Supply: 12V Li-Ion battery or 4 x 1.5V LR6 (AA) batteries 
  • Operating Time (max): 18 h (Li-Ion) / 10 h (AA) 
  • Dust and Splash Protection: IP54 
  • Tripod Thread: 1/4" 

3. PHYSICAL & OPERATIONAL PROPERTIES

  • Preparation: Insert the battery or batteries. Place the tool on a stable surface or mount it on the included RM 2 rotating mount.
  • Usage Instructions: Switch on the tool; the pendulum self-levels within 4 seconds. Use the Levelling Remote App via Bluetooth® to control the tool remotely from your smartphone, including switching lines on/off and putting the tool in stand-by mode .
  • Connectivity: Bluetooth® for remote-control adjustment via smartphone app .
  • Smart Functions: Levelling Remote App offers remote control and status information .
  • Storage Conditions: Store in a dry, secure place within -20°C to +70°C .
  • Cleaning: Clean housing with soft, dry cloth. Clean laser windows carefully without scratching.

4. SAFETY & COMPLIANCE ATTRIBUTES

  • Safety Classification: Class 2 laser product (<1mW). Avoid direct eye exposure. Do not point at people or animals.
  • Laser Safety: Complies with IEC 60825-1 standard.
  • Environmental Protection: IP54 protection against dust ingress and water splashes .
  • Regulatory: Complies with relevant CE and UKCA standards.
  • Battery Safety: Use only recommended battery types. Do not short-circuit or dispose of in fire.

5. STORAGE & HANDLING ATTRIBUTES

  • Storage: Store in the supplied protective bag in a dry, secure place.
  • Inspection: Regularly inspect device for damage. Check laser windows for cleanliness.
  • Usage: Do not use in explosive atmospheres. Do not use without proper mounting on stable surfaces.
  • Transport: Use the supplied protective bag for safe transport.
SAFETY HANDLING PRECAUTIONS

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: Do not use the tool in rain or wet conditions (IP54 rating allows for splashes but not immersion). Avoid extreme temperatures.
Battery Safety: Use only recommended battery types. Do not mix old and new batteries. Remove batteries if device will not be used for long periods.
Operational Safety: Ensure the tool is placed on a stable surface or securely mounted. Self-levelling range is ±4°; if exceeding this range, tool will not self-level .
Maintenance: Clean laser windows 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 laser functions 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.

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.