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Rotary laser levels are an invaluable tool for a variety of jobs that require accuracy over large or long distances. DIY enthusiasts and professionals use levels on many slopes or grades and flat or level surfaces for planning and laying out projects, general construction, landscaping and excavation.
Rotary laser levels can be very complex devices with many functions. Choosing the correct level can be challenging, especially for novice users. Our comprehensive review looks at the differences between precision tools and their competitors, providing examples of the best-rotating laser levels for a variety of tasks.
Best Overall: Johnson Level & Tool 99-006K Self-Leveling Rotation
Most Compact: DEWALT Laser Level Kit, Rotary with Laser Detector
BEST SEMI-PRO: Spectra Precision LL300N-2 Laser Level, Self-Leveling
BEST CONSTRUCTION: Topcon RL-H5A Horizontal Self-Leveling Rotary Laser
BEST OUTDOOR: Spectra Precision LL500 Self-Leveling Laser Level
Best Dual Slope: Johnson Level & Tool 99-028K Electronic Self-Leveling
Most Versatile: BOSCH REVOLVE900 GRL900-20HVK Exterior 1000 ft. Range
Also consider: Iglobalbuy Automatic Electronic Self-Leveling Rotation
Having understood the main features, it's now time to look at some of the options available. Each of the following represents the best rotating laser level in its class, and there is a solution here for every type of user.
Considering the different needs of users and the wide range of specifications offered, Johnson's 99-006K rotary laser level is listed as the best single device on our list. This level tops the list for its combination of versatility and value, especially when considering all the accessories that come with it.
This Johnson level can be used indoors with a maximum range of 200 feet, or outdoors where it can reach 800 feet if a laser receiver is used. For most users over these distances, an accuracy of 50 feet over ⅛ inch is acceptable. IP54 dust and water protection are good for a device at this price point. This level lacks a drop test rating, which is common on premium models. The speed can be set to 200, 400 or 600 rpm and the operating temperature range is 14 to 113 degrees Fahrenheit.
The laser comes with four AA batteries and has a run time of approximately 12 hours. Its comprehensive kit includes a sturdy tripod, red glasses, flat laser target, 13-foot grading bar, laser receiver and a bracket designed for ceiling mounting. A padded soft case is included in the package, but unfortunately, the only space inside is for the rotating laser unit and spare batteries.
The low-cost Huepar Electronic Self-Leveling Rotary Laser Level offers great value for DIY leveling tasks indoors and outdoors. The kit includes red glasses, a laser receiver, a hard case and four C-cell batteries with up to 60 hours of battery life. A standard tripod screw mount is installed, but we believe the necessary tripod itself must be purchased separately.
Accuracy of ±⅛ inch over 100 feet is comparable to that found on more expensive equipment. Speed is fixed at 600 rpm. the indoor range is 100 feet, with an outdoor range of 1,600 feet using the laser receiver.
Huepar offers manual and automatic leveling. the IP54 rating is reasonable, and its operating temperature range is 32 to 122 degrees Fahrenheit.
The DeWalt rotating laser level is compact, weighs only 4.5 lbs. and has a thick carrying handle that makes it easy to carry, even with work gloves on.
This rotating laser level has an indoor range of 100 feet and up to 1,200 feet when using the receiver outdoors. Leveling is automatic in horizontal mode and manual in vertical mode. 1/4 inch accuracy at 100 feet is sufficient for outdoor tasks for its primary use. It is available at two speeds: 60 rpm or 600 rpm. Two D-cell batteries provide approximately 30 hours of run time.
The kit includes a target card, wall mount, laser detector and a rugged contractor's bag. A tripod is not provided. The case appears rugged and claims to offer weather protection, so it was a bit surprising to find no IP rating or drop test. We were also unable to find an operating temperature range.
Spectra Precision is the leading brand of rotating laser levels for architectural and landscaping work. Its LL300N-2 offers a quick setup with an auto-leveling button. 100 ft. accuracy of ± 3/32 in. outperforms many competitors, with a range of 1,650 ft. when using the included laser receiver. Rotation is fixed at 600 rpm, although this is more common in rotating lasers for outdoor use.
Dust and water resistance is excellent at IP66, and the Spectra Precision LL300N-2 has been drop tested to 3 feet free fall on concrete, or up to 5 feet if the tripod is knocked over. Battery life is also impressive, with four D-cell batteries providing up to 90 hours of runtime. Optional rechargeable batteries (NiMH) are available at the time of purchase. The operating range for this level is -4 to 122 degrees Fahrenheit.
The tool's hard case has plenty of room for the included tripod, a 15-foot ramp pole, laser receiver, clamps and batteries. While convenient, the final package is large and heavy at 33 pounds.
The Topcon RL-H5A Self-Leveling Rotary Laser is a rugged unit built for the harsh environment of construction sites with a dust and water resistance rating of IP66. It features automatic self-leveling and manual ramping and is widely recognized in independent reviews as the best laser level for leveling and drainage work.
Despite its rugged construction and handle designed for gloved hands, this is a highly accurate tool. It has 1/16-inch accuracy at 100 feet and an impressive range of 2,600 feet. RPM is the standard 600 rpm for outdoor equipment. working range is -4 to 122 degrees Fahrenheit. Four D-cell batteries provide up to 100 hours of runtime, or an alternative rechargeable NiMH battery provides 60 hours of runtime.
Although the level comes with the necessary laser receiver and hard shell case, no tripod or grading bar is included in the package.
With 1/16-inch accuracy at 100 feet and a range of 2,600 feet, the Spectra Precision LL500 is ideal for large construction and landscaping projects and is arguably the best outdoor laser level available. One special feature it offers is temperature compensation so it can maintain accuracy in all weather.
It's a rugged unit with IP66 protection against dust and water and passes the drop test to a concrete height of 3 feet or a 5-foot drop test if tilted from a tripod. It is self-leveling with a warning LED that automatically turns off if it exceeds 5 degrees of level. A visible "spot beam" helps aim the laser receiver for a faster one-person setup. The operating range is -4 to 122 degrees Fahrenheit.
The included four D-cell batteries provide an extra 175 hours of runtime, and the LED warns when the battery is low. NiCad rechargeable batteries are an option, but they and the required charger are available at an additional cost. Buyers will also need to purchase a tripod separately.
The second Johnson rotary laser level on our list is another high-quality device with an accuracy of ±⅛ inch at 100 feet and a range from 200 feet indoors to 1,500 feet outdoors. The standard features alone make it a versatile all-around level at a competitive price. what makes the Johnson 99-028K stand out as the best-graded laser level is its ability to handle two different slopes at the same time, even compound slopes. It can also project vertical lines and horizontal beams, making it ideal for plasterboard or fence installers.
The Johnson 99-028K automatically levels horizontally and vertically and sounds a visual and audible alarm if it exceeds ±5 degrees. Two speeds are available: 200 or 500 rpm. The operating temperature range is 14 to 113 degrees F. Two AA batteries provide approximately 12 hours of run time. The kit includes a tripod, 13-foot slope bar, red glasses, target, laser receiver and remote control, all in a hard-shell case.
Any search for the best laser level will inevitably involve the use of Bosch equipment. the Revolve 900 offers high performance and versatility at a competitive price. It has a range of 100 feet indoors and 1,000 feet outdoors, with an accuracy of ±⅛ inch at 100 feet. Electronic self-leveling with an interference monitor ensures consistent results. The remote control allows one person to set up from a remote location.
Available at speeds of 150, 300 and 600 rpm, in addition it offers six length settings for a versatile leveling tool for indoor and outdoor use. In addition to the rotary laser, vertical lines and 90-degree markers help with tasks such as column framing or gypsum board. The operating temperature range is 14 to 122 degrees Fahrenheit. Three AA batteries provide approximately 12 hours of run time.
This rotary laser level has a good IP54 protection rating. A valuable accessory kit includes red glasses, tripod, 8-foot slope bar, remote control, target, laser receiver, ceiling mount and housing.
It's amazing to find any kind of rotating laser level at this price. Finding it includes red glasses, target, laser receiver, remote control, rechargeable battery and charger, it's a great value. Unfortunately, it does not include a tripod, although standard threads are installed.
This Iglobalbuy electronic self-leveling rotary laser level offers rotational speeds of 60, 120, 300 and 600 rpm. It can be used indoors and outdoors and has a range of up to 1,650 feet. It is also self-leveling, although the description is not as good as it could be.
The accuracy does bring that level down a bit. It is quoted as ±20 inches horizontal or vertical. Some quick mathematical calculations at 100 feet equate to about 1¼ in. So while it is not a high-precision device, it can still help with many jobs around the house and yard.
The Johnson 99-006K is an excellent general-purpose rotary laser level. It will meet the needs of many different users and is relatively inexpensive. That said, it doesn't offer the same level of protection from harsh environments as our best outdoor laser level, the Spectra Precision LL500l. Huepar offers great value for money and brings the rotary laser level within the budget range of the DIY enthusiast. However, buyers will need to pay extra for the tripod.
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