説明
Every room begins as a volume of empty space and becomes a grid — first in the mind of the builder, then on the surface of the walls. The Cartesian Grid makes that grid visible. Sixteen laser lines — or twelve, depending on your mode selection — paint a luminous green reference framework across every plane of the workspace, from the subfloor to the ceiling joists and every stud bay in between.
The self-leveling pendulum mechanism is the quiet genius here: tilt the unit within 3 degrees of horizontal, and within 4 seconds it locks onto true level with ±1mm accuracy at 10 meters. The 520nm green diodes are the right choice for interior work — 4× more visible than red to the human retina, cutting through ambient jobsite lighting without forcing operators to dim the room. The dual-mode switching (16-line for full-room layout, 12-line for focused wall work) conserves battery and simplifies the line pattern when fewer references are needed.
This unit sits in the sweet spot between the entry-level cross-line lasers that require constant repositioning and the $800+ rotary lasers that are overkill for interior finish work. It is the laser that a drywall contractor, electrician, and cabinet installer can all pick up from the same charger and immediately use — no manual, no calibration drift, no second-guessing the readout.
Confidence in a room begins with a line that does not lie.
Key Features
- ✦ 16/12-Line Dual Mode — Selectable 16-line full-room grid or 12-line focused wall layout; optimizes battery life and line clarity for the task at hand
- ✦ 360° Horizontal + Vertical Coverage — Full-room projection with four horizontal planes and cross-vertical lines for simultaneous multi-wall alignment
- ✦ 520nm Green Laser Technology — 4× brighter than red lasers; clearly visible at 100 feet without a receiver under standard indoor lighting
- ✦ ±1mm/10m Accuracy — Professional-grade precision suitable for tile layout, cabinet installation, and framing verification
- ✦ Self-Leveling with Tilt Alarm — Pendulum compensator locks within 3° in ≤4 seconds; visual and audible alarm when out of range
- ✦ Rechargeable Battery + USB-C — Extended runtime with any USB-C power source; operates while charging for continuous all-day use
Technical Specifications
- Laser Lines: 16-line mode (full) / 12-line mode (focused)
- Laser Class: Class II, <1mW output
- Wavelength: 520nm (green)
- Leveling Accuracy: ±1mm at 10m (±1/16 inch at 33 feet)
- Self-Leveling Range: ±3°
- Leveling Time: ≤4 seconds
- Working Range (Indoor): 100 feet (30m) visible
- Battery: Rechargeable Li-Ion (USB-C charging)
- Mount Thread: 1/4"-20 and 5/8"-11 dual thread
- Certification: CE, FDA, RoHS
Application Scenarios
The Cartesian Grid is a multi-trade workhorse, equally comfortable in the hands of a drywall installer squaring a room, an electrician aligning outlet boxes at consistent heights, a tile setter laying out a bathroom grid, or a cabinet installer mapping upper and lower runs on opposing walls. The 16-line mode handles complex open-plan layouts where all four walls must be referenced simultaneously; the 12-line mode strips the pattern down for focused single-wall or adjacent-wall work. The rechargeable battery eliminates the disposable-cell cost that accumulates over months of daily use — a real savings for crews who burn through alkaline batteries on lesser lasers. The dual mount thread means it drops onto any survey tripod, pole stand, or magnetic L-bracket already in the work truck.
Frequently Asked Questions
Q: What is the difference between 16-line and 12-line mode?
A: 16-line mode activates all four horizontal 360° planes and all vertical cross-lines — ideal for full-room layout where you need floor, mid-wall, and ceiling references simultaneously. 12-line mode deactivates one horizontal plane and its associated vertical references, simplifying the pattern for single-wall or adjacent-wall work. 12-line mode also extends battery life by approximately 25% since fewer laser diodes are active.
Q: How accurate is this for tile installation?
A: At ±1mm per 10 meters (±1/16" at 33 feet), the Cartesian Grid exceeds the accuracy requirements for professional tile installation. The key advantage is the simultaneous horizontal and vertical projection — you can establish both your level line and your vertical centerline without repositioning the unit. For large-format tile (12×24" and up), the accuracy holds across a full bathroom floor.
Q: Can I use this on uneven ground?
A: The pendulum compensator self-levels within a 3° tilt range in either direction. For slopes exceeding 3°, the laser lines flash and the audible alarm sounds — you need to reposition the tripod. For manual tilt applications (e.g., stair railings, sloped ceilings), switch to manual/lock mode which disables self-leveling and lets you project lines at any angle.
Q: Does it come with a carrying case?
A: Yes — included in the package are a molded hard-shell carrying case with foam cutouts, a magnetic L-bracket wall mount, a USB-C charging cable, and a target plate for enhanced visibility in bright conditions. The tripod is sold separately to accommodate different working heights.
Q: How does green laser compare to red in real-world use?
A: The 520nm green wavelength is approximately 4× more visible to the human eye than the 635-650nm red lasers common in entry-level units. In a well-lit interior room, a red laser line may require dimming the lights or using a detector at distances beyond 30 feet; the green line remains clearly visible at 80-100 feet under standard job-site lighting. This visibility advantage directly translates to faster layout work and fewer repositioning cycles.
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