Building Construction

Five channels of grade information plus directional out-of-laser beam indicator directs which way to move and get back in the beam Three selectable accuracies meet job tolerances from rough grading to final finishing for maximum flexibility Full 360-degree reception picks up the beam from all directions Adjustable, ultra-bright LED with green on-grade display provides user selectable, easy-to-see display to match ambient lighting conditions Various power options to meet your requirements LR30W is used with Spectra Precision RD20 Wireless Remote Display

The HL450 Laser Receiver features a digital readout of elevation that provides a numeric display of ± 40 mm or ±1.5 inches. The readout is displayed on the large front and rear LCD’s and shows exactly how far the elevation is from on-grade. Accurate measurements can be made without moving the rod clamp, saving time, and increasing productivity.

Elevate the accuracy and efficiency of your construction and grading projects with the Spectra Precision GL720 Dual Grade Laser, complemented by the robust HL700 Receiver. This advanced tool offers unparalleled precision, ensuring that every job is done with the utmost accuracy and professionalism.

Five channels of grade information plus directional out-of-laser beam indicator directs which way to move and get back in the beam ​Three selectable accuracies meet job tolerances from rough grading to final finishing for maximum flexibility ​Full 360-degree reception picks up the beam from all directions ​Adjustable, ultra-bright LED with green on-grade display provides user selectable, easy-to-see display to match ambient lighting conditions Various power options to meet your requirements LR30W is used with Spectra Precision RD20 Wireless Remote Display

Built-in blade tilt indicator helps the operator keep the blade level for increased accuracy and productivity Center On-grade provides an equal amount of grade information above and below on-grade. Use on dozers, graders, scrapers and box blades Built-in plumb indicator for fast, accurate grade checking in excavation applications Offset on-grade gives you more range above grade using the entire receiver for more productive excavation LR50W links wirelessly to the RD20 in-cab display

The LL300N's fully automatic self-leveling capability provides fast, accurate setup. Rechargeable NiMH battery pack or alkaline batteries keeps the unit working with no downtime due to power loss. Single cross-axis manual slope mode with cross-axis self-leveling allows grade matching for basic slope work, while maintaining accuracy in the cross-slope. The Spectra Precision® LL300N Laser Level features a rugged design with "hard hat" rotor protection that provides superior drop and weather protection. Built to withstand severe drops of up to 3 ft (1 m) directly onto concrete, or up to 5 ft (1.5 m) when pushed over on a tripod means less downtime and cost due to damage caused by accidental drop. Includes Spectra LL300N with HL450 Receiver.

Check grade with the dipper arm extended or retracted up to 30 degrees Built-in plumb indicator for fast, accurate grade checking for graders Center On-grade provides an equal amount of grade information above and below on-grade. Use on dozers, graders, scrapers and box blades Offset on-grade for productive excavation provides additional above grade information for less undercuts Up to eight channels of grade information plus directional out-of-beam indicators Four selectable accuracies for each on-grade location LR60W used with Spectra Precision RD20 Wireless Remote Display

The GL412N is a single grade laser that also offers long-range operation in addition to its grade range up to 15%. Operate the laser using longer range remote controls. With a radio remote operating at a range up to 330 feet (100 meters) you have the ability to make grade changes and to make grade changes remotely, which can significantly reduce setup time. Grading and excavation Leveling concrete forms and footers General construction vertical alignment such as anchor bolt and form alignment Sports fields, tennis courts, driveways and landscaping Ramps and drainage Includes Spectra GL412N, HL760 Receiver, & RC402 Remote

The Spectra Precision Laser HL700 Laserometer is a highly versatile laser receiver for basic and advanced leveling and aligning applications. It is designed for general, concrete and site preparation contractors. The HL700 is an easy-to-use tool that accurately measures elevations across the site, and is ideal for use with any rotating transmitter.

The Spectra Precision® Laser level LL500 Laser Level is a one-person leveling system designed for longer range measurements across your entire site. Accurate, stable and reliable, the LL500 features a 1,600 ft (500 m) working diameter which increases productivity by reducing the need for multiple setups on a large job site. The rugged LL500 is self-leveling with built-in out-of-level shutoff that maintains accuracy over the entire work area and minimizes errors. Visible spotting beam determines receiver mounting placement makes it faster to find the on-grade position. LL500 package includes a HL700 Receiver.

Elevate the precision and efficiency of your pipe installation projects with the Spectra Precision DG813 Dial Grade Pipe Laser. This state-of-the-art tool is expertly designed for the specific needs of underground piping and tunneling, combining robust performance with user-friendly features. Kit Includes: DG813 Laser 1230 large invert plate RC803 IR/Radio Remote Control SF803 Spot Finder w/pole adapter & target plate ST805 Transporter, 956 target NiMH battery pack and charger

The Spectra Precision® RD20 Wireless Remote Display is designed to be used with the LR30W, LR50W and LR60W display receivers. The RD20 mounts in the cab and gives the operator grade information in a convenient location. The operator is free to focus on the work at hand.

The Spectra Precision GL722 Dual Grade Laser is one of the most advanced grade lasers on the market. The long-range operation, advanced radio remote, grade matching, Planelok, and automatic axis alignment features mean that you can do quick and highly accurate set-ups for any grade application. With the GL722’s powerful, long-range remote control, it takes one person to accurately set up and operate the grade laser. Even grade reverse is done in an instant. You can automatically control all the transmitter’s functions using the remote. Grades can be changed on the fly up to 750 ft (225 m) from the transmitter. With a grade range of ±10% in the X-axis and -0.5 to +25% in the Y-axis, combined with a 3,000 ft (900 m) operating diameter, no job is too small for this laser. Automatic Axis Alignment can done up to 500 ft (150 m) from the transmitter, providing accurate set-up and eliminating the need to climb a ladder to try to align the laser to your grade hub. Kit Includes: GL412N Single Grade Laser HL760 receiver C70 rod clamp RC402N remote 105516 Vertical Adapter for HL Receiver 10 Ah NiMH batteries & charger small carrying case

The Nikon AP-8 automatic level features a 28x telescope with a 30mm objective lens for clear, bright images in an erect and unreversed orientation. With a built-in compensator, it automatically levels the line of sight over a wide compensation range of ±16 inches with a setting accuracy of ±0.5 inch.

Nikon AE-7 Series auto levels feature waterproof, high-power telescopes that help you make precise measurements even in the wettest conditions. Precise measurements from waterproof, high-power telescopes. AL-NIKON-AE-7.