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Northwest Instrument
Northwest Instrument NRL900HT-RK Red Beam Self-Leveling Rotary Laser Level

Northwest Instrument NRL900HT-RK Red Beam Self-Leveling Rotary Laser Level

4.7· 85 ratings

Last price we saw

$897.00at TigerSupplies.com, last seen Nov 4

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Our take on the Northwest Instrument NRL900HT-RK Red Beam Self-Leveling Rotary Laser Level

The Northwest Instrument NRL900HT-RK is a self-leveling rotary laser level with a green beam, a digital LCD readout and dial-in grade from -10% to +15%. It levels itself within ±5 degrees and is rated IP54 for dust and water resistance, with a rechargeable battery rated for 20 hours. It is a kit (RK) with batteries included and 5/8-11 and 1/4-20 mounting threads. It suits site and grading work more than small indoor jobs.

Best forContractors setting grades on pads and driveways
Outdoor site layout over long distances
Users who want a green beam for visibility
Crews that need a rechargeable kit out of the box
Pros
  • Green beam is easier to see than red in daylight
  • Dial-in grade from -10% to +15% for slope work
  • Self-levels within ±5 degrees
  • IP54 dust and water resistance
  • Rechargeable batteries and 20-hour runtime included
  • Both 5/8-11 and 1/4-20 mounting threads
Cons
  • ±1/16-inch accuracy is fine for site work but not precision indoor layout
  • Needs a tripod and often a detector outdoors, which add cost
  • Alkaline rechargeables mean spare cells and charging downtime
  • Rotary units are heavier and bulkier than line lasers
  • No receiver listed in the kit

Northwest Instrument NRL900HT-RK Red Beam Self-Leveling Rotary Laser Level prices at every store

  • TigerSupplies.comCheck price at TigerSupplies.com

Northwest Instrument NRL900HT-RK Red Beam Self-Leveling Rotary Laser Level price history

Lowest price we've seen: $897.00 on Nov 4 at TigerSupplies.com. Tracked across 1 store since Nov 4.

What reviewers say

Owners rate it 4.7 out of 5 from 85 ratings. Users report the green beam is bright and the self-leveling and grade dial work as expected on outdoor jobs.

Pros
  • Bright, easy-to-see green beam
  • Reliable self-leveling
  • Grade dial is simple to set
  • Solid build for the price
Cons
  • Needs a detector in bright sun
  • Battery charging takes planning
  • Heavier than expected

Specifications

Type
Laser Level
Angle Measurement
Yes
Leveling Type
Auto-Leveling
Measurement Type
Slope, Level
Display Readout
Digital
Measurement Range
±5 (horizontal leveling), -10% to +15% (dial-in grade)
Accuracy
±1/16 inch
Self Leveling Range
+/- 5 degrees
Suitable Users
ADULT, UNISEX
Durability
IP54 (dust and water resistant)
Laser Color
Green
Light Source
Green Beam
Display Type
LCD
Battery Life
20 Hours
Power Source
Rechargeable Batteries
Battery Type
Alkaline
Included Accessories
Rechargeable Batteries
Dimensions
10.9" L x 6.2" W x 9" H
Form Factor
Rotary
Design Highlights
Mounting threads of 5/8-11 and 1/4-20
Color
Green

Questions and answers

Is the NRL900HT-RK worth it for grading work?
Yes, if you set slopes on pads, driveways or drainage. The -10% to +15% grade dial and ±1/16-inch accuracy cover most site layout. For indoor cabinet or tile work, a line laser is cheaper and easier.
How does it compare with a red-beam rotary laser?
The green beam is noticeably easier to see indoors and in shade. In direct sun you still need a detector either way. Red units usually cost less, so pick green if visibility matters more than price.
What is the battery life and how do I charge it?
The rechargeable batteries are rated for about 20 hours per charge, and spares are included in the kit. Runtime drops in cold weather, so carry a spare set for full-day outdoor work.
What comes in the box?
The kit includes the rotary laser and rechargeable batteries. A tripod and laser detector are not listed, so budget for them if you work outdoors or at distance.
Can it be mounted on a standard tripod?
Yes. It has 5/8-11 and 1/4-20 threads, so it fits standard survey tripods and many camera-style mounts.
When is the price lowest?
Rotary laser prices tend to dip during spring construction season sales and end-of-year clearance. Check the price history before buying.
What do buyers say about the Northwest Instrument NRL900HT-RK Red Beam Self-Leveling Rotary Laser Level?
Rated 4.7 out of 5 from 85 ratings.