When laser tech engineer is making constant technical innovation of the advanced 635nm red laser diode tech and a qualified glass coated lens inside a durable metal housing tube, it is designed and manufactured into a professional line measuring tool of a 635nm red line laser module. 635nm red light with a narrow linewidth and minimal stray light; the spectrum is purer than that of 650nm sources, resulting in less interference in optical experiments and higher repeatability of measurement data. This laser line generator always gets excellent monochromaticity. Being made with basic thermal emitting design and constant electric power source supply, it enables quite easy installation and integration into any laboratory machine or devicde, enables easy reaching, good direction and quick response red reference line projection onto various working surfaces constantly and conveniently.
Compared to the formally used 650nm red laser, the basic adoption of a 635nm red line laser module is projecting high purity and high brightness red light at several miles far away, featured by high visibility to the human eye. It operates in the visible light spectrum, producing clear images under standard laboratory lighting; the optical path is directly visible without a darkroom, ensuring high debugging efficiency. Basically laser line generator gets special use of a metal heat sink cooling system, either designed with inner or outside the metal housing tube for different output power range, it always achieves high level of laser light cycling use, ultra clear, stable and precise red line generation within the maximum operating distance of 25 meters and multiple ambient workshop environments as well.
Being made with a qualified glass coated lens with 10 to 110 degree fan angles, after passing through a series of strict laser beam stability test, aging preventing test, alternative high and low temperature changing test up to 24 hours, the usual use of a 635nm red line laser module achieves increasing laser beam stability and high level of laser light cycling use. The projected red laser line is available with sharp edges and no astigmatism or “fuzziness”; focus-adjustable design allows for fine lines at close range and uniform light sheets at long range, meeting the requirements of experiments with varying object distances.
Whatever output power it is selected, the Gaussian beam 635nm red line laser module features a built-in constant current driver, power drift is minimal during prolonged continuous operation, and the optical path reference remains stable, making it ideal for long-duration static observation experiments. It enables easy mounting and adjusting. Its compact size saves valuable optical platform space. Narrow-divergence models are available to minimize attenuation over long optical paths. When red alignment laser is mounting properly onto laboratory testing device, it is suitable for educational laboratories, precision measurement and fluid sheet-light experiments, offering flexibility across various applications.
Category: red line laser module
Noncontact Work of 650nm Red Line Laser Module in Metal Processing
Whenever precise line projecting work is processing for various metal processing works, not limited by operating distance, height and other complex working environments etc, it makes a good job for engineers and professionals to apply a high energy density light emitted tool of a 650nm red line laser module. It keeps work with intense and bright red light emission directly from an import 650nm red laser diode within wide range output power. Being made with a qualified optic lens and constant electric power source supply, this ultra compact size tube made laser line generator always allows quite easy carrying and operating, enables easy reaching, good direction and noncontact red reference line projection onto various metal surfaces easily and quickly.
The basic line projection works with a 650nm red line laser module is continuing for a quite long time, which is designed and manufactured with even better thermal emitting. For instance, besides the adoption of an import 650nm red laser diode within 5mW to 500mW output power, equipped with a metal heat sink cooling system inside a durable anodized aluminum alloy housing tube, it has been designed with 16mm, 18.9mm and 26mm diameter tube, it just gets larger space leaving for tube heat dissipation. As a result, when laser line generator is operating by engineers and metal processing works, it always allows continuous red line alignment within 10 hours per day. It is dust and shaking resistant, unaffected by increasing temperature and serious electric current impact as well.
Usually 650nm red line laser module gets proper use of an AC/DC adapter, after correct use of operating voltage and output power, the 650nm red light offers high visibility, remaining clear even in the bright, oily environments typical of metal workshops. When it applies a qualified glass coated lens within 10 to 110 degree fan angles, it generates fine, straight and bright red reference line within 0.5 meter to 6 meters lengths in distance. Cooperated with adjustable focus optic lens, laser line generator delivers high-precision, fine red reference lines for close-range work on thin sheets and full coverage with long lines for large sheets at a distance. Highly precise red laser line alignment eliminates the need for markers or layout paste; prevents scratches or contamination on stainless steel and aluminum surfaces, saving on cleanup steps.
Unaffected by any harsh working occasions of vibration, shaking or moving, 650nm red line laser module always makes stable and clear line generation for various metal processing works. It maintains stability despite significant temperature fluctuations in the workshop, provides intuitive, accurate positioning,m and significantly reduces scrap rates caused by misalignment of steel and aluminum sheets while boosting cutting efficiency. When red alignment laser is operating with basic obeying of laser safety issue, after proper wearing of laser safety goggles and avoiding eye exposure to beam aperture, it brings users excellent line measuring results for press brake positioning, shearing machines and CNC cutting machines, stamping and punching equipment, hardware grinding and trimming fixtures etc.
High Adaptability Uniform Beam 635nm Red Line Laser Module Applied for Wood Processing Industry
In any type of clear, fine and bright line indication for woodworking processing industry, either pointing at close or long distance, it would make a good job to apply a uniform beam 635nm red line laser module. It emits pure and bright red light directly from an import 635nm red laser diode. Cooperated with a qualified separate crystal lens and thermal emitting system inside a durable structure made metal housing tube, laser line generator enables quite easy installation, quick reaching, good direction and long operating time lasted red line generation onto various working surfaces conveniently.
Usually 635nm red line laser module gets the unique use of a separate crystal lens within 10 to 93 degree fan angles. Either it is pointing at close or long distance, it keeps work with non Gaussian distribution red light emission, and the same line brightness from the middle part towards both ends. For the most important of all, owing to its low laser beam divergence of less than 1mrad, the projected red laser line gets only 0.3mm fineness at 10cm, 1mm to 2mm fineness at 2 meters distance. When laser line generator makes precise line generation, available with wide range output power of 5mW to 500mW, it not only makes clear line generation within close distance and inner room, but also makes good job for ultra clear and fine line indication within the maximum distance of 25 meters and multiple ambient lighting occasions as well. Even though it is operating in dusty and well-lit woodworking workshops, red lines remain clearly visible from a distance, preventing them from being obscured by ambient light.
Being made with a durable anodized aluminum alloy housing tube, cooperated with an import 635nm red laser diode within 5mW to 500mW, this uniform beam 635nm red line laser module adopts different dimension size tube diameter of 16mm, 18.9mm and 26mm. When it gets higher power up to 500mW, it gets special use of a separate metal heat sink cooling system, thus it achieves ultra long time lasted red light and red reference line projection stably. It generates fine, sharp and highly straight lines with no scattering or bending meet high-precision alignment requirements for wood cutting, reducing material waste. Without any affected by dust, moisture or other harsh occasion, this red laser line generator is suitable for dusty and sawdust-prone environments in woodworking workshops, preventing dust from affecting the light output.
Unaffected by operating height, distance and other harsh working environments, uniform beam 635nm red line laser module keeps stable and clear line indication in multiple woodworking saws and panel experiences. It applies constant power drive and excellent heat dissipation, allows for continuous 24-hour operation in factories without brightness decay or temperature drift. When compact size 635nm red alignment laser gets proper installation onto sawing machines or cutting machines, within the lowest time and energy consumption, achieving clear, fine and quick response line generation conveniently. Based on high attention to powerful laser radiation and proper wearing of laser safety goggles, it just makes easy, free and high security measurement for all working occasions conveniently.
Precise Layout 650nm Red Line Laser Module For Construction and Decoration Industry
What makes a good job to get clear, fine and bright line indication for both of construction and decoration industry fields? Not relying on any prior line drawing or printing, it makes a better job to apply a high energy density beam emitted tool of 650nm red line laser module. 650nm red light offers excellent visibility, clear both indoors and outdoors. Owing to its high sensitivity to human eye, cooperated with a qualified optic lens and cooling system inside a durable metal housing tube, this direct diode emission made laser line generator ensures clear and unblurred red line generation even under normal indoor lighting, cloudy outdoor conditions, and dim lighting on unfinished surfaces. Construction workers can clearly see the baseline even from a distance.
The basic use of a 650nm red line laser module applies a qualified glass coated lens with 10 to 110 degree fan angles, after passes through a series of beam stability and aging preventing test up to 24 hours, it always achieves ultra high laser beam stability, long operating time lasted red light and red line generation in use. Red laser line is straight and without bends, eliminating the errors of manual stringing and marking. This significantly improves the flatness and verticality of the construction, reducing rework and corrections. Whenever laser line generator makes correct output power and optic lens fan angle, it can directly output a straight red reference line upon startup, making it suitable for mass construction in both residential and commercial projects.
Without any time spending on line drawing or printing, noncontact line emitted from a 650nm red line laser module keeps unfinished walls, tiles, boards, or paint surfaces clean and tidy. Together with adjustable focus optic lens, after its immediate red light concentration, it can be easily converted into an increasing fineness and brightness red reference line at a longer distance. This laser line generator is small in size and has low power consumption, allowing it to be embedded in laser line projectors and levels, or fixed to temporary on-site brackets. Easy to carry and install on home construction sites.
This Gaussian beam 650nm red line laser module is highly adaptable, durable and stable. Its industrial-grade structure resists minor impacts and has a wide temperature and humidity adaptability range. It works stably even in dusty and complex environments at construction sites, and has a long service life. Without serious relying on experienced line laying technicians, workers can simply follow the alignment laser line. Installation, tiling, and wall construction are standardized, resulting in a more uniform overall finish. It always makes highly precise line indication for multiple construction works, covering wall and flooring leveling and laying, flooring positioning, ceiling calibration, and wall construction works etc.
Reduced Production Cost Use of 660nm Red Line Laser Module in Textile Industry
What is an efficient job for garment makers to make ultra clear, fine and bright enough line indication for various garment cloth processing works? It is not easy to rely on primary manual line drawing or printing, but making even better job to apply a highly intense beam emitted tool of a 660nm red line laser module. It applies an import 660nm red laser diode and a qualified optic lens inside a different dimension metal housing tube. Cooperated with an external electric power source supply, after correct selection of both output power and optic lens fan angle, this laser line generator enables high red laser light visibility, ultra fine, clear and straight red reference line guidance onto multiple working surfaces conveniently.
Usually 660nm red line laser module applies an AC/DC adapter as its electric power source, not simply spending extra time on battery change, it is able to make continuous red laser light emission from an import 660nm red laser diode within 5mW to 500mW. In process of long term lasted red line generation, it is designed with a metal heat sink cooling system inside a durable anodized aluminum alloy housing tube, which enables superior nice heat dissipation and increasing stability red reference line projection within 10 hours per day. When laser line generator is pointing onto different color and pattern garment cloths, red reference line is still clearly visible under ambient lighting occasions, without bleed-through or residue, eliminating the need for repeated calibration.
When 660nm red line laser module applies a qualified glass coated lens within 10 to 110 degree fan angles, cooperated with adjustable focus optic lens in front of beam aperture, it is able to work with high straightness and high fineness red reference line projection. It enables controllable line thickness of only 1 to 2mm at 2 meters distance. Owing to its noncontact line indication, the whole process of garment cutting work can avoid cloth moving, reducing cut piece error, significantly lowering the scrap rate. Without spending extra time on manual line drawing or positioning work, this red line laser alignment enables conveniently installation, easy adjustment of red line thickness, and high speed line indication for multiple garment cloths processing works conveniently.
Applications in textile industry field:
Precise Cutting: 635nm red line laser module projects a baseline line onto the fabric laying machine/cutting table, replacing chalk/ink lines for quick alignment of patterns and stripes, and positioning of cut piece outlines.
Sewing Auxiliary Positioning: Uses a single-line alignment laser to mark seam positions, bag opening boundaries, and button centers on pocket opening machines, button attaching machines, and flat sewing machines, ensuring straight and uniform stitches.
Hemming/Ironing Guidance: Projects hemming lines onto ironing machines, guiding regular hemming of collars, cuffs, trouser hems, etc., ensuring consistent hemming width in batches and improving ironing neatness.
Sew/Assembly Calibration: Horizontal/vertical lines are projected during garment piece splicing and assembly to calibrate alignment and flatness, ensuring seamless and misaligned seams, such as shoulders and side seams.
Quality Inspection Assistance: Red laser line generator is marking dimensional baselines allows for quick comparison of garment dimensions, aiding in determining compliance with process standards and improving quality inspection efficiency.
How Can 660nm Red Line Laser Module Work For Cloth Cutting Positioning
What is an efficient job for garment makers and designers to make ultra clear and fine enough line projection for all garment cutting positioning works? It is not able to rely on the use of any prior line drawing or printing work, but making even better job to apply a highly intense beam emitted tool of a 660nm red line laser module. It applies advanced 660nm red laser diode tech and a qualified optic lens within wide fan angles inside a high duration metal housing tube. Cooperated with constant electric power source and proper installation onto cutting bed or cutting equipment, laser line generator projects ultra fine and straight red reference line, providing accurate cutting base line for all garment processing works conveniently.
Commonly 660nm red line laser module is typically installed at a specific location on the cutting table or fabric cutting equipment, such as above or to the side. It emits a clear red linear line projected onto the fabric surface, providing a precise cutting reference line for the cutting equipment. The operator simply aligns the fabric edge with the red laser line, or plans the cutting path based on the laser line’s position. The cutting equipment then precisely cuts along the alignment laser line’s guidance, ensuring straightness and accuracy, and avoiding fabric cutting deviations. When 660nm red laser wavelength falls within the spectral range where the human eye is most sensitive. The light emitted from a red laser line generator is bright and clear, providing good visibility on various fabric surfaces, facilitating operator observation and positioning.
According to the adoption of a qualified glass coated lens within 10 to 110 degree fan angles, cooperated with its low laser beam divergence of 0.1 to 1.5mard, 660nm red line laser module generally projects high linear quality and highly straight red reference line within 0.5 meter to 6 meters length in continuous use. It enables precise line positioning within minimal error, meeting the high precision requirements of fabric cutting. According to the unique use of excellent quality red laser diode and stable APC, ACC driving circuit board design, this red laser line generator always gets excellent anti-interference capabilities, maintaining laser output stability during long-term continuous operation, ensuring consistent laser line intensity and position.
When 660nm red line laser module is designed and manufactured with durable anodized aluminum alloy housing tube, it bears wide range operating temperature range of -10℃ to 75℃, adaptable to fabric cutting in various ambient temperatures, and possessing a certain degree of vibration and dust resistance, enabling stable operation in complex workshop environments. Cooperated with adjustable focus optic lens, once highly powerful and intense red laser light source is concentration, this red alignment laser enables increasing accuracy and brightness red line projection onto multiple garment cloths conveniently.
Unique Experience of 650nm Red Laser Line Generator in Scientific Research
What is an efficient job to make ultra clear and fine line indication in scientific research works? Not able to rely on the use of any prior line drawing or printing work, professionals are beginning to apply a highly bright and intense light emitted tool of a 650nm red laser line generator. It emits highly visible red laser light directly from an import 650nm red laser diode. Featured by long developing history and mature laser diode tech application, the finished production of a red line laser always enables ultra stable performance and quite low production cost. According to quite easy installation or integration with scientific experimental device or equipment, it enables long term lasted and highly precise red line projection for multiple laboratory environments effectively.
Basically 650nm red laser line generator gets proper use of an external AC/DC adapter as its electric power source, thus there is sufficient space leaving for tube cooling down. Employed by an import 650nm red laser diode within 5mW to 100mW and 150mW to 500mW, cooperated with a metal heat sink cooling system, it has been designed and manufactured with different dimension anodized aluminum alloy housing tube. This red line laser module always gets superior nice heat dissipation and ultra stable red reference line projection. Owing to its easily visible laser light observation, red laser light is clearly visible to the naked eyes, eliminating the need for complex receiving equipment. It can be used directly as a visual reference, perfect for intuitive observation in scientific research.
Being made with high straightness line emitted glass coated lens, available with wide fan angles of 10 to 110 degree, 650nm red laser line generator always maintains highly fine and bright red reference line in distance, which can be adapted to varying experimental distances and accuracy requirements. Featured by its ultra compact structure design and adjustable focus optic lens design, this red line laser module can be easily integrated with scientific research equipment such as cameras, sensors, and optical platforms, making it easy to integrate into experimental systems. When it gets superior nice environmental adaptability, sometimes it features anti-interference and low drift, meeting the requirements for long-term stable operation in constant temperature and complex laboratory environments.
General applications in scientific research fields:
Mechanical Experiment Reference: 650nm red laser line generator is used in material tension/bending experiments to mark the initial position of the specimen and observe deformation and displacement with a high-speed camera. It can also serve as a reference for calibrating the straightness of mechanical devices such as guide rails and pendulums.
Optical Research Assistance: In light reflection, refraction, and interference experiments, it provides a highly collimated line light source to assist in observing changes in the optical path. It can also be used for fiber coupling and the installation and alignment of optical components (lenses and prisms).
Fluid Dynamics Observation: In flow field visualization experiments (such as particle image velocimetry (PIV), a red alignment laser line illuminates tracer particles in the flow field, and a camera is used to capture particle motion trajectories and analyze flow velocity and flow distribution.
Biomedical Research: It is used for marking tissue sections (such as for regional demarcation in pathology sections) or tracking the movement of microorganisms. Low-power red light is minimally damaging to biological specimens.
Precision Measurement Calibration: 650nm red laser line generator serves as a calibration light source for 3D scanning and laser ranging equipment, calibrating the linear accuracy of measurement systems. It can also be used for workpiece positioning in micro-nanofacture to ensure machining accuracy.
textile processing work with 650nm red laser line generator
when users are looking for an easy operating and highly precise line indication for those of garment cloths processing works, no matter it is used for close or long distance, none of manual or mechanical line alignment tool can be comparable with advanced laser diode tech applied tool of a 650nm red laser line generator. it keeps work with intense and powerful red laser beam projection directly from an import 650nm red laser diode. usually it gets constant electric power source supply and advanced use of both of import laser diode and qualified glass coated lens. every time this ultra compact structure made 650nm red laser module gets proper installation or integration with textile processing equipment, it enables good direction, high precision and high fineness red line indication for multiple working occasions conveniently.
basically 650nm red laser line generator applies an external electric power source, thus there is no need to spend extra time on alkaline battery power source. employed by an import 650nm red laser diode within different output power range of 5mw to 100mw and high power up to 150mw to 500mw, it adopts different operating voltage of 5v, 9v, 12v 1000ma dc power supply. besides its projection of highly intense and visible red laser beam emission at long extending distance, this accessory part of a red line laser module also enables ultra clear, fine and highly straight red line indication as long as 25 meters and even higher lighting occasions as well.
cooperated with a qualified glass coated lens within 10 to 110 degree fan angles and special use of adjustable focus optic lens design, when garment processing work is requiring ultra high level of accuracy, it just makes a good job as expected. when it projects high transmittance and high energy density red laser beam at several miles far away, after quite easy screw of laser beam aperture part, this red line laser module enables freely adjusted red line thickness and fulfills high level of accuracy and easily capture laser line generation onto different garment cloths. for the most important of all, red laser light is getting high contrast on garment cloths, and also leaves no track, thus the operation of a red laser can greatly protect cloth with the best working condition and assure high efficiency garment processing works greatly.
in practical garment cloths processing workshops, owing to the use of a durable anodized aluminum alloy housing tube, the genuine use of a 650nm red laser line generator can bear different working occasions, including wide range operating temperature, different humidity, mechanical moving or calibration as well. it can be properly installed or integrated with textile garment processing devices, and making sure of no barrier and noncontact line indication. owing to its long term lasted red line indication of more than 8,000 hours, this industrial stabilized red alignment laser is especially applicable for garment production line works perfectly.
Structure Advantages of Non Gaussian Beam 650nm Red Line Laser Module
What is an efficient job to make ultra clear and precise enough line indication at various work distances? It might be far more enough to reach with prior line drawing or printing work at all. On consideration of high level of accuracy and high brightness line projection onto multiple working surfaces, laser tech engineers have just designed and manufactured a professional line measuring tool of a 650nm red line laser module within uniform beam distribution. Being made with constant electric power source and internal thermal emitting system inside different dimension metal housing tube, the usual use of a laser line generator has just achieved ultra stable, long time lasting and highly precise red line indication onto multiple raw material surfaces conveniently.
The special use of a uniform beam 650nm red line laser module is applying a qualified separate crystal lens within 10 to 93 degrees fan angles. The energy distribution of the non Gaussian beam is more uniform, avoiding the problem of “bright center and dark edge” of traditional Gaussian light. The red laser light brightness consistency of the projected straight red laser line is good, and the clarity of the marking line is not effected by the distance, high height and other complex working environments etc. Even though laser line generator is pointing at quite long work distance, it still maintains ultra high brightness and high fineness red line indication as expected, which is working for long distance or large scale calibration fields.
In order to improve line aligning accuracy at various working distances, this non Gaussian beam 650nm red line laser module gets special use of adjustable focus optic lens design. Besides its proper selection of both of output power and optic lens fan angle, it also enables quite easy screw of beam aperture part, thus it gets highly concentrated red laser light source emission, and converts into an increasing accuracy and fineness red reference line projection at even longer work distance and higher lighting working occasions as well. Available with wide range output power of 5mW to 100mW and high power up to 150mW to 500mW, this red laser line generator is not simply used for close distance and inner room line projection, it also makes sure of quite satisfied line positioning results within the maximum work distance of 25 meters and other ambient lighting occasions as well.
According to quite easy installation and integration with industrial device or equipment, uniform beam 650nm red line laser module is used as an accessory part, which is able to make clear and precise line indication for multiple working occasions, including laser cutting machine, saw milling, lumber machine, textile garment processing, military targeting and scientific experiment work etc. Whenever this industrial alignment laser is selected with high power for longer distance and higher lighting occasions, it is a key issue to take active laser safety measures and wear proper 650nm wavelength preventing laser safety goggles until achieving easy and secured measurement conveniently.
Precise Positioning 650nm Red Line Laser Module For Industrial Machinery
What is an efficient job to make ultra clear and fine enough line indication? In order to get ideal line alignment accuracy onto multiple working surfaces, not limited by long distance, high height and other complex working environments etc, none of manual or mechanical line aligning tool can be comparable with a high density beam emitted tool of a 650nm red line laser module. It applies a qualified glass coated lens and import red laser diode inside different dimension metal housing tube. According to its proper installation or integration into industrial device or equipment, a correct output power and optic lens fan angle made laser line generator is able to work with highly clear line positioning, trajectory guidance and dimension calibration in industrial machinery.
Whenever 650nm red line laser module gets constant electric power source from an AC/DC adapter, cooperated with a qualified semiconductor laser diode within 5mW to 100mW and high power range of 150mW to 500mW, it is always working well with highly concentrated red laser light energy emission from beam aperture. In addition, according to its basic design of a metal heat sink cooling system inside a durable anodized aluminum alloy housing tube, this laser line generator is not only getting superior nice heat dissipation, but also maintains ultra clear and stable red reference line projection in a lot of working environments, not effect by quite low or high temperature, different humidity, and other harsh working occasions as well.
Multiple applications of Gaussian beam 650nm red line laser module:
Mechanical processing and cutting equipment.
Metal/non-metal material cutting: ultra compact size tube made laser line generator enables easy installation on laser cutting machines and CNC shearing machines, the red laser line is projected to mark the cutting path. The central high-brightness red line can accurately align the edge of the material to avoid manual marking errors.
Stamping and mold positioning: When installing the mold of the stamping machine and injection molding machine, the red alignment laser line assists in calibrating the mold position to ensure that the upper and lower molds are aligned to avoid deformation of the workpiece or increase in scrap rate due to installation deviation.
Automated assembly line and assembly
Material sorting and conveying guidance: Laser lines are projected on the conveyor belt of the assembly line to mark the material placement position or conveying trajectory, and automatic sorting is achieved with sensors.
Product alignment and splicing: When welding automotive parts and splicing furniture panels, red lines emitted from a laser line generators are used as reference lines to ensure that the edges of components are aligned. For example, before welding car doors, laser lines mark the weld position to ensure welding accuracy and sealing.
Woodworking and building materials processing
Wood cutting and drilling positioning: Gaussian light 650nm red line laser modules are used on woodworking sliding table saws and engraving machines, and red laser lines mark the cutting size or drilling position of the wood board. During the installation of the integrated ceiling, the laser line assists in marking the horizontal/vertical reference line of the keel installation to ensure the flatness of the ceiling.
Stone processing and paving: When cutting marble and tiles, the red alignment laser line marks the cutting angle and size to avoid manual measurement errors; when paving wall tiles, the laser line is used as a horizontal reference to ensure that the tiles are arranged neatly.
Measurement and calibration equipment
Dimension detection and calibration: 650nm red laser line generator is installed on a three-coordinate measuring machine and industrial visual inspection equipment, Gaussian red laser light is used as a reference line to assist in measuring the straightness and parallelism of the workpiece. When installing large equipment (such as machine tool guide rails), the laser line calibrates the straightness of the guide rail to ensure smooth operation of the equipment.
Construction engineering marking: In measuring instruments such as total stations and levels, Gaussian light 650nm red line laser modules project long-distance red laser lines for reference positioning of building foundations and wall masonry, especially suitable for outdoor strong light environments (higher visibility of the central high-brightness light spot).