IDEAL ULTRA [ID LMS-50] [50 METER | RED] LASER MEASURE - 29071
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Measure Smarter, Build Better — Professional Precision in Your Pocket
The IDEAL ULTRA ID LMS-50 is a professional-grade 50-metre red laser distance measurer engineered for precision, speed, and durability. Weighing just 125 grams, this compact laser measure delivers an accuracy of ±(2mm + d×1/10000), making it the go-to tool for construction professionals, real estate agents, interior designers, and site surveyors who demand reliable measurements without the hassle of a traditional tape measure.
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- 50-Metre Red Laser Measuring Range: The ID LMS-50 covers distances up to 50 metres with a Class II red laser (630–670nm, <1mW output), providing a clearly visible beam for accurate targeting across large rooms, open-plan spaces, warehouses, and outdoor construction sites — all with a measurement accuracy of ±(2mm + d×1/10000).
- Area & Volume Measurement Function: Instantly calculate square footage and cubic capacity by taking two or three quick measurements. The device automatically multiplies the dimensions and displays the result, eliminating manual calculations and reducing the risk of costly errors on-site.
- Pythagorean & Continuous Measurement Modes: The Pythagorean function uses geometric triangulation to measure heights or distances that cannot be reached directly — ideal for ceilings, rooflines, and elevated structures. The continuous measurement mode provides real-time distance updates as you move the device, perfect for tracking moving targets or scanning along a wall.
- Min/Max Value Tracking with Self-Calibration: Automatically records the smallest and largest distances captured during a session — invaluable for finding the true diagonal of a room or the widest point of an irregular space. The built-in self-calibration function allows users to manually fine-tune device accuracy over time, ensuring consistent, reliable results across thousands of measurement cycles.
- Heavy-Duty Build with Double Insulation & Long Battery Life: Constructed with a double-insulated housing that prevents electrical components from ever contacting the outer casing, the ID LMS-50 is built to outlast demanding job-site conditions. Powered by 2 x 1.5V AAA batteries, it delivers up to 4,000 cycles on carbon-zinc or an impressive 8,000 cycles on alkaline batteries, with a 20-second auto laser-off and 150-second auto power-off to conserve energy. An audible button sound provides immediate tactile feedback on every action.
The ID LMS-50 is fully certified for global and regional compliance, holding CE (Machine Test), CB (Comprehensive Machine Test), RoHS (Raw Materials Test), FCC, FDA, IEC, and UKCA certifications, confirming its safety and quality across consumer and industrial standards. The package includes one 50m Laser Measure, two AAA batteries pre-included for immediate use, and a comprehensive Guide Book to get you measuring from the moment you open the box.
General Purchase & Comparison Queries
How does the IDEAL ULTRA ID LMS-50 compare to a traditional tape measure?
Unlike a traditional tape measure, the IDEAL ULTRA ID LMS-50 uses a Class II red laser to measure distances up to 50 metres instantly — no need to physically extend a tape, hold one end, or risk measurement errors from tape sag. It also calculates area and volume automatically, stores min/max values, and fits in your pocket at just 125 grams. For professionals working alone or across large spaces, it is a significant upgrade in both speed and accuracy.
Is the ID LMS-50 suitable for professional construction use or just DIY?
The ID LMS-50 is engineered for both professional and DIY applications. Its ±(2mm + d×1/10000) accuracy, Pythagorean measurement function, and continuous measurement mode make it a capable tool for site surveyors, contractors, and project managers. It holds CE, CB, FCC, FDA, IEC, RoHS, and UKCA certifications, confirming it meets professional-grade safety and performance standards globally.
What is included in the box and what batteries does it use?
The package includes the IDEAL ULTRA 50m Laser Measure, 2 x AAA batteries (ready to use out of the box), and a Guide Book for quick setup and reference. The device runs on standard 1.5V AAA batteries — carbon-zinc batteries provide up to 4,000 measurement cycles, while alkaline batteries extend performance to an impressive 8,000 cycles.
Product-Specific and Usage Queries
How does the Pythagorean measurement function work?
The Pythagorean measurement function on the ID LMS-50 uses geometric triangulation based on the Pythagorean theorem to calculate distances or heights that cannot be measured directly — for example, the height of a ceiling above an obstacle, or the length of a sloped roofline. By taking two or three indirect measurements, the device calculates the true distance mathematically, giving you accurate results without needing physical access to the target point.
What does the continuous measurement mode do?
In continuous measurement mode, the ID LMS-50 fires the laser repeatedly and updates the displayed distance in real time as you move the device closer to or further from a surface. This is particularly useful for scanning along walls, finding the midpoint of a room, or tracking a moving reference point. The laser automatically switches off after 20 seconds of inactivity to preserve battery life.
Can I use the ID LMS-50 outdoors or in bright light conditions?
The ID LMS-50 uses a Class II red laser (630–670nm wavelength) which is optimised for indoor and semi-outdoor use. In very bright direct sunlight, the red beam may be harder to see on distant surfaces — for best results in high-ambient-light environments, use a laser target card or work in shaded areas. The device operates reliably in working temperatures from 0°C to 40°C and can be stored in conditions ranging from -20°C to 60°C.
Problem/Solution-Oriented Queries
My measurements seem inconsistent — how do I fix this?
If you notice inconsistent readings, the self-calibration function on the ID LMS-50 allows you to manually adjust the device's accuracy baseline to restore reliable performance. Ensure the device is held steady against a flat reference surface when calibrating. Also check that the lens is clean and free from dust or smudges, and that the batteries are not low — the device uses 2 x 1.5V AAA batteries and performance can degrade as battery charge drops.
The laser turns off before I finish measuring — what should I do?
The ID LMS-50 is designed with an auto laser-off after 20 seconds and an auto power-off after 150 seconds of inactivity to conserve battery life. This is a built-in energy-saving feature, not a fault. Simply press the measurement button to reactivate the laser. If the device is powering off more frequently than expected, replace the batteries with fresh alkaline AAA batteries for up to 8,000 measurement cycles of reliable operation.
How do I know if the ID LMS-50 is accurate enough for my project?
The ID LMS-50 delivers a measurement accuracy of ±(2mm + d×1/10000), which means at a 10-metre distance the maximum error is approximately ±3mm — well within the tolerance required for construction, interior fit-out, real estate, and facility management applications. For added confidence, use the Min/Max value tracking feature to verify the smallest and largest readings across a surface, and use the self-calibration function periodically to maintain long-term accuracy.
50m Laser Measure (1 Pcs), Guide Book (1 Pcs), AAA Battery (2 Pcs)