20 Best Bosch Outdoor Laser Measure [2024]

Are you looking for the best Bosch Outdoor Laser Measure? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Bosch Outdoor Laser Measure.

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1 BOSCH GLM400CL Blaze Outdoor 400ft Bluetooth Connected Laser Measure with Camera & Lithium-Ion... BOSCH GLM400CL Blaze Outdoor 400ft Bluetooth Connected Laser Measure with Camera & Lithium-Ion...
2 Bosch GLM165-25G Green-Beam 165 Ft. Laser Measure Bosch GLM165-25G Green-Beam 165 Ft. Laser Measure
3 Bosch GLM400C Blaze Outdoor 400ft Bluetooth Connected Laser Measure with Camera and AA Batteries Bosch GLM400C Blaze Outdoor 400ft Bluetooth Connected Laser Measure with Camera and AA Batteries
4 BOSCH Blaze GLM50C Bluetooth Enabled 165ft Laser Distance Measure with Color Backlit Display BOSCH Blaze GLM50C Bluetooth Enabled 165ft Laser Distance Measure with Color Backlit Display
5 BOSCH 360-Degree Self-Leveling Exterior Laser Kit GLL 150 ECK (Discontinued By Manufacturer) BOSCH 360-Degree Self-Leveling Exterior Laser Kit GLL 150 ECK (Discontinued By Manufacturer)
6 Bosch GLM165-10 Blaze One Laser Distance Measure, 165 ft. Range Bosch GLM165-10 Blaze One Laser Distance Measure, 165 ft. Range
7 Bosch Unisex – Adult's Geschwindigkeitssensor Speed Sensor, Black, 415mm Bosch Unisex – Adult's Geschwindigkeitssensor Speed Sensor, Black, 415mm
8 BOSCH REVOLVE900 GRL900-20HVK Exterior 1000ft Range Horizontal/Vertical Self-Leveling Cordless... BOSCH REVOLVE900 GRL900-20HVK Exterior 1000ft Range Horizontal/Vertical Self-Leveling Cordless...
9 Bosch GLL3-330CG 200ft 360-Degree Green Beam Three-Plane Self-Leveling & Alignment-Line Laser with... Bosch GLL3-330CG 200ft 360-Degree Green Beam Three-Plane Self-Leveling & Alignment-Line Laser...
10 The First Bilateral Laser Distance Meter : 262ft/80m. VH-80 Laser Measurement Tool by Magpie with... The First Bilateral Laser Distance Meter : 262ft/80m. VH-80 Laser Measurement Tool by Magpie with...
11 Leica Geosystems Leica DISTO E7500i 660ft Laser Distance Measure w/Bluetooth & DISTO Sketch iPad... Leica Geosystems Leica DISTO E7500i 660ft Laser Distance Measure w/Bluetooth & DISTO Sketch iPad...
12 Johnson Level & Tool 99-006K Self Leveling Rotary Laser System Kit, Red, 1 Kit Johnson Level & Tool 99-006K Self Leveling Rotary Laser System Kit, Red, 1 Kit
13 BOSCH GLM20 Blaze 65ft Laser Distance Measure With Real Time Measuring BOSCH GLM20 Blaze 65ft Laser Distance Measure With Real Time Measuring
14 Leica 838725 DISTO D2 New 330ft Laser Distance Measure with Bluetooth 4.0, Black/Red, 1.7 x 1 x 4.6... Leica 838725 DISTO D2 New 330ft Laser Distance Measure with Bluetooth 4.0, Black/Red, 1.7 x 1 x...
15 Johnson Level & Tool 99-027K Self-Leveling Rotary Laser System, 8.75', Red, 1 Kit Johnson Level & Tool 99-027K Self-Leveling Rotary Laser System, 8.75", Red, 1 Kit
16 Bosch GPL100-50G 125ft Green 5-Point Self-Leveling Laser with VisiMax Technology and Integrated... Bosch GPL100-50G 125ft Green 5-Point Self-Leveling Laser with VisiMax Technology and Integrated...
17 Laser Measure, DTAPE 328 Feet Digital Laser Tape Measure M/in/Ft Unit Switching Backlit LCD and... Laser Measure, DTAPE 328 Feet Digital Laser Tape Measure M/in/Ft Unit Switching Backlit LCD and...
18 Laser Measure, Mileseey by RockSeed 165 Feet Digital Laser Distance Meter with 2 Bubble... Laser Measure, Mileseey by RockSeed 165 Feet Digital Laser Distance Meter with 2 Bubble...
19 BOSCH GLL75-40G 75ft Green-Beam Self-Leveling Cross-Line Laser with VisiMax Technology, L-Bracket... BOSCH GLL75-40G 75ft Green-Beam Self-Leveling Cross-Line Laser with VisiMax Technology, L-Bracket...
20 Laser Measure 196ft, POPOMAN Rechargeable with Bluetooth Laser Distance Meter, Intelligent House App... Laser Measure 196ft, POPOMAN Rechargeable with Bluetooth Laser Distance Meter, Intelligent House...
SaleBestseller No. 1
BOSCH GLM400CL Blaze Outdoor 400ft Bluetooth Connected Laser Measure with Camera & Lithium-Ion...
  • BLAZE Outdoor technology – outdoor laser measuring device that pairs accurate, long-distance (up to 400 ft.) measuring and digital viewfinder with...
  • MULTIPLE MEASURING FEATURES – includes 11 different measuring functions, including real time length, length, area, volume, indirect functions, and...
  • CAMERA – features an adjustable zoom to locate the laser spot at far distances, even outdoors or in busy backgrounds
  • ACCURACY AND LONG RANGE MEASURING - provides accuracy up to 1/16 in and measures up to 400 ft.
  • INCLINOMETER - shows the tilt angle, 360° for easy angle and indirect measurements
SaleBestseller No. 2
Bosch GLM165-25G Green-Beam 165 Ft. Laser Measure
  • 165ft durable rubber overmold reinforced housing green-beam laser measure – features an easy-to-read color display, great accuracy, haptic feedback...
  • Easy-to-read backlit color display – illuminates numbers with distinct resolution, for work in low-light or no-light conditions
  • Green-beam laser – generates a point/dot that’s up to 4X brighter than standard red beams for easy jobsite visibility
  • Accuracy and long-range real-time measuring – provides accuracy up to ±1/16 In. with rounding feature and measures up to 165 ft for professional...
  • Durable – This robust Laser distance measure is IP65 rated to withstand tough jobsite conditions such as rain or dust, for reliable service and...
Bestseller No. 3
Bosch GLM400C Blaze Outdoor 400ft Bluetooth Connected Laser Measure with Camera and AA Batteries
  • BLAZE Outdoor Technology – outdoor laser measuring device that pairs accurate, long-distance (up to 400 ft.) measuring and digital viewfinder with...
  • Digital Viewfinder – features adjustable zoom to locate the laser spot at far distances, even outdoors or in busy backgrounds
  • Easy-to-read backlit color display – illuminates numbers in dark areas with distinct resolution, allowing work in low-light or no-light conditions
  • Reinforced screen glass – provides increased durability and damage resistance
  • Inclinometer – shows the tilt angle, 360° for easy angle and indirect measurements
Bestseller No. 4
BOSCH Blaze GLM50C Bluetooth Enabled 165ft Laser Distance Measure with Color Backlit Display
  • ACCURACY: Features long range measuring with extreme accuracy and measures distances from up to 165 ft. to within 1/8 inch
  • COLOR DISPLAY: An upgraded color display with back lighting increases visibility and features Bluetooth functionality to conveniently transfer and...
  • FEATURES: The Bosch GLM50C’s built in inclinometer allows for advances features like angles, min max, stake out and double indirect for all at-home...
  • LIVE MEASURING: Provides default real time measurement that adjusts as you move closer and farther from the target, just like a tape measure....
  • COMPACT: Features small dimensions and a handy pocket size design so the GLM50C can fit in any pocket
Bestseller No. 5
BOSCH 360-Degree Self-Leveling Exterior Laser Kit GLL 150 ECK (Discontinued By Manufacturer)
  • VERSATILE: The Bosch GLL 150 ECK offers 360-degree full coverage horizontal leveling for all leveling applications
  • COMPACT: The laser kit is compact, lightweight and portable with single switch operation making it easy to use and operate
  • EXTENDABLE: With the included Bosch LR3 Line Laser Receiver users can extend the range when extra distance is required, for maximum one person...
  • SELF LEVELING: With Bosch’s Smart Pendulum System the alignment laser self levels and indicates out-of-level condition. Secure transport lock...
  • Class IIa laser product, <1mW power output, 635 nm
Bestseller No. 6
Bosch GLM165-10 Blaze One Laser Distance Measure, 165 ft. Range
  • ACCURACY: Features long range measuring with extreme accuracy and measures distances up to 165 feet to within 1/16 inch
  • EASY TO USE: Simple, one button operation press button once to begin measuring. The GLM16510 is compact enough to fit in any pocket. Features a...
  • LIVE MEASURING: Provides default real time measurement that adjusts as you move closer and farther from target, just like a tape measure
  • AUTO SQUARE: The Bosch GLM16510 laser measure includes Auto Square function to automatically calculate square footage with the push of a button
  • Durable: This laser distance measure is IP54 rated to withstand tough jobsite conditions such as rain or dust
Bestseller No. 7
Bosch Unisex – Adult's Geschwindigkeitssensor Speed Sensor, Black, 415mm
  • Cable 415 mm with cable and plug
  • Colour: black
  • Material: Other
  • Department: Unisex - Adult
SaleBestseller No. 8
BOSCH REVOLVE900 GRL900-20HVK Exterior 1000ft Range Horizontal/Vertical Self-Leveling Cordless...
  • COMPREHENSIVE KIT: includes GRL900-20HV rotary laser, laser receiver, remote control, head unit case, 8ft. grade rod, wall mount, laser glasses,...
  • MULTIPLE HORIZONTAL APPLICATIONS: use for site preparation, stake-out for pouring concrete foundations/slabs, setting concrete forms for commercial or...
  • VERTICAL APPLICATIONS: provides a vertical beam and 90° point for wall layout, framing, windows and door installation, stud framing and more
  • ELECTRONIC SELF-LEVELING: allows for easy setup and use on the job; mount threading is 5/8-11
  • Class 2 laser product, <5mW power output, 635 nm
SaleBestseller No. 9
Bosch GLL3-330CG 200ft 360-Degree Green Beam Three-Plane Self-Leveling & Alignment-Line Laser with...
  • GREEN LASER [200 to 330 FT] — Bright green beams up to 4X brighter than standard red beams. This 3-plane level tool has an accurate range of...
  • COMMERCIAL GRADE — One of Bosch’s most popular 3-planes laser levels for construction. Excellent laser level tool for most commercial projects...
  • BLUETOOTH CONNECTIVITY — Comes with built-in Bluetooth connectivity. Users can control the setup of the laser from across the room with their smart...
  • ULTIMATE ALL-IN-ONE — Both a leveling and an alignment laser in one, projecting three (3) 360-degree axis planes that self levels and intersects one...
  • KIT INCLUDES – (1) 12V Max 2.0 Ah Battery, Charger, BM1 Positioning Device, Laser Target, AA1 Alkaline Battery Adapter, Heavy-Duty Pouch, and Hard...
SaleBestseller No. 10
The First Bilateral Laser Distance Meter : 262ft/80m. VH-80 Laser Measurement Tool by Magpie with...
  • TIME SAVER & CONVENIENT: Magpie’s bilateral 2-way laser increases work efficiency as you can complete measurements faster. Measure in all directions...
  • MULTIPLE MEASUREMENT FEATURES: Distance, Continuous Measurement, Pythagorean method, Length, Volume, area etc. Measure in both metric and imperial...
  • HIGHEST ACCURACY: Magpie bilateral laser technology measures up to 262ft(80m) with an ±1/8inch (3mm) precision. Patented Magpie laser technology...
  • DATA MANAGEMENT WITH APP: All the measuring data is transferred to the app. Make your own sketch, Share the result with other smart devices....
  • PERFECT DESIGN: Magpie's Bilateral laser can be operated with a single hand thanks to the compact design. Each side of the device is covered with...
SaleBestseller No. 11
Leica Geosystems Leica DISTO E7500i 660ft Laser Distance Measure w/Bluetooth & DISTO Sketch iPad...
  • This Unit contains a class II laser with 1mw output
  • 650ft range indoors and outdoors at up to 1mm (1/16") accuracy, for long distances and very bright sunlight we recommend to use the special integrated...
  • IP65 rated- water jet protection and dust tight, Iso 16331-1 certified
  • Bluetooth Version 4. 0 includes Intelligent End piece
  • Outdoor point finder camera w/4x zoom display allows you to target and measure items at long distances outdoors
SaleBestseller No. 12
Johnson Level & Tool 99-006K Self Leveling Rotary Laser System Kit, Red, 1 Kit
  • TURNKEY SOLUTION: The 99-006K self-leveling rotary laser system includes a soft carrying case (laser only), a 13’ grade rod, LED one sided detector,...
  • EXTERIOR RESIDENTIAL: Great for leveling forms and footings, aligning fence posts, grading/excavation, or laying out retaining walls, planting beds,...
  • VERTICAL AND HORIZONTAL USE: Use vertically for laying out walls and floors, or installing metal drywall track. Use horizontally to install...
  • COMMERCIAL CONSTRUCTION: Check floor heights prior to pouring concrete or erecting walls. Check survey stake heights, and check alignment with the...
  • AROUND THE FARM: Perfect for checking drainage slopes, leveling outbuildings, setting fence post alignment and height, and more. Laser rotates at 200,...
Bestseller No. 13
BOSCH GLM20 Blaze 65ft Laser Distance Measure With Real Time Measuring
  • Accuracy: Features long range measuring with extreme accuracy and measures distances up to 65 feet to within 1/8 inch. Measures in meters, feet...
  • Easy to use: Simple, one button operation press button once to begin measuring. The GLM20 is small enough to fit in any pocket
  • Live measuring: Provides default real time measurement that adjusts as you move closer and farther from target, just like a tape measure
  • Display: Features a backlit display that allows measurements to be easily read, even in dark areas
  • Fits comfortably: Smart and convenient size and shape, easily portable and will rest on any flat surface
SaleBestseller No. 14
Leica 838725 DISTO D2 New 330ft Laser Distance Measure with Bluetooth 4.0, Black/Red, 1.7 x 1 x 4.6...
  • This unit contains a Class II Laser with 1mW output
  • 1/16" accuracy and up to 330 foot measuring range. Measuring units-0.000 m, 0.00 ft, 0'00" 1/16, 0 in 1/16. Measurements per set of batteries-up to...
  • Bluetooth 4.0 for transferring measurements into desired software
  • Last 10 measurement memory, Dimensions : 116 x 44 x 26 mm / 4.57 x 1.73 x 1.02 in
  • Pythagoras function for indirect height or width measurements. Operating temperature range:14°F to 122°F / -10°C to 50°C.Protection class:IP 54,...
SaleBestseller No. 15
Johnson Level & Tool 99-027K Self-Leveling Rotary Laser System, 8.75", Red, 1 Kit
  • AREA COVERAGE: This Johnson Rotary Laser Tool is perfect for leveling on largescale areas and jobsites. It has a working diameter of 2000’ and is...
  • HIGH QUALITY: The self-level tool features a dustproof and wash down rated housing to offer durability on work sites and in industrial spaces. The...
  • EASY TO USE: Equipped with a heavy-duty contractor’s tripod, the rotary aligning level kit allows one-person operation for easy use. It is ideal for...
  • HIGH ACCURACY: This laser kit for leveling is designed with a powerful class 3A laser beam. With a red laser for increased visibility, a 90-deg. split...
  • PRODUCT SPECIFICATIONS: This Self-Leveling Rotary Laser Kit is equipped with a detector and 13’ grade rod. It comes in a hard-shell carry case for...
SaleBestseller No. 16
Bosch GPL100-50G 125ft Green 5-Point Self-Leveling Laser with VisiMax Technology and Integrated...
  • Five-Point Plumb and Level Point Projection: Accurately transfers and aligns level, plumb, 90° and grade points
  • Built-In VisiMax Technology: Monitors power consumption to maximize line visibility and extend battery life
  • Bright State-of-the-Art Green-Beam Lasers: Up to 4X brighter than standard red beams for easy jobsite visibility
  • Full Rubber Overmold Housing – helps protect every major impact point, with a design similar to a roll cage for extended tool life
  • Smart Pendulum System – allows tool to self-level, and it indicates out-of-level condition for accuracy and protection
SaleBestseller No. 17
Laser Measure, DTAPE 328 Feet Digital Laser Tape Measure M/in/Ft Unit Switching Backlit LCD and...
  • ▲HIGH ACCURACY - With laser precision technology, accuracy ups to ±1/16inch, measuring distance extends to 328 feet; Switchable among M/In/Ft for...
  • ▲LCD BACKLIGHT AND MUTE SETTING - Large backlight screen provides you with a better visibility in dark areas; Mute setting allows you turn on or off...
  • ▲MULTIPLE MEASUREMENT FEATURES - Area, distance, length, volume, continuous measurement, Pythagorean method-three points; Addition and subtraction;...
  • ▲DURABLE AND HANDY - IP54 waterproof level and dust-proof function protect the laser distance measure to the maximum extent; Portable size and hard...
  • ▲WHAT YOU GET - DTAPE Laser Measuring Device 328Ft; 1.5V AAA Batteries; User Manual;Portable Bag; Hand Strap; Package Box; 24 Months Warranty(Ideal...
SaleBestseller No. 18
Laser Measure, Mileseey by RockSeed 165 Feet Digital Laser Distance Meter with 2 Bubble...
  • ★ HIGH ACCURACY & UNIT SWITCHABLE ★ With unique 2 Bubble Levels, providing more precise measurement compared to one bubble;With laser precision...
  • ★ LCD BACKLIGHT & MUTE SETTING ★ Large backlight screen provides you with a better visibility in dark areas; Mute setting allows you turn on or...
  • ★ MULTIPLE MEASUREMENT FEATURES ★ Area, distance, length, volume, continuous measurement, Pythagorean method-three points; Addition and...
  • ★ DURABLE AND HANDY DESIGN ★ IP54 waterproof level and dust-proof function protect the laser distance measure to the maximum extent; Portable size...
  • ★ WHAT YOU GET ★ Mileseey Laser Measuring Device 165Ft; 1.5V AAA Batteries; User Manual; Hand Strap; Package Box; 12 Months Warranty(Ideal...
Bestseller No. 19
BOSCH GLL75-40G 75ft Green-Beam Self-Leveling Cross-Line Laser with VisiMax Technology, L-Bracket...
  • GREEN LASER [75 FT] — Bright green beams up to 4X brighter than standard red beams. This gives the tool a working range up to 75 Ft, and offers an...
  • PROFESSIONAL GRADE — #1 self level laser in the market for both professional jobs and home renovations. This user-friendly, green-beam electronic...
  • 3-IN-1 MODES — Vertical, horizontal and cross line laser level modes. The laser can project two lines independently or together, for a broad array...
  • SELF-LEVELING, SMART PENDULUM— The Bosch Smart Pendulum System self levels and indicates out-of-level condition to ensure an accurate layout. Lock...
  • PACK INCLUDES — (3) AAA batteries for your convenience, a versatile magnetic BM3 Positioning Device to offer quick setup in ceiling grid...
SaleBestseller No. 20
Laser Measure 196ft, POPOMAN Rechargeable with Bluetooth Laser Distance Meter, Intelligent House App...
  • 【BLUETOOTH CONNECTIVITY】LMBT60 laser measure features Bluetooth 4.0 with automatic data transmission within a range of 10 meters. In addition, it...
  • 【HIGH PRECISION + MULTIPLE MEASUREMENT MODES】Working distance: 60m/196ft, suitable for home decoration and daily use, with error as low as...
  • 【USB CHARGING + DELAY MEASUREMENT】Built-in rechargeable lithium battery, which can be charged once and used for 8000 times. Save the cost of...
  • 【ELECTRONIC ANGLE SENSOR】The electronic angle sensor is more accurate than the traditional bubble level, and the angle is displayed in real-time....
  • 【WHAT YOU GET】1 x POPOMAN laser measure, 1 x USB-C charging cable, 1 x user manual, 1 x portable bag, 1 x portable bracelet, 1 x reflection plate;...

Having trouble finding a great Bosch Outdoor Laser Measure?

This problem is well understood by us because we have gone through the entire Bosch Outdoor Laser Measure research process ourselves, which is why we have put together a comprehensive list of the best Bosch Outdoor Laser Measures available in the market today.

After hours of searching and using all the models on the market, we have found the best Bosch Outdoor Laser Measure for 2023. See our ranking below!

How Do You Buy The Best Bosch Outdoor Laser Measure?

Do you get stressed out thinking about shopping for a great Bosch Outdoor Laser Measure? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching Bosch Outdoor Laser Measure, which is why we have assembled a comprehensive list of the greatest Bosch Outdoor Laser Measure available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Bosch Outdoor Laser Measure that you consider buying. Your questions might include the following:

  • Is it worth buying an Bosch Outdoor Laser Measure?
  • What benefits are there with buying an Bosch Outdoor Laser Measure?
  • What factors deserve consideration when shopping for an effective Bosch Outdoor Laser Measure?
  • Why is it crucial to invest in any Bosch Outdoor Laser Measure, much less the best one?
  • Which Bosch Outdoor Laser Measure are good in the current market?
  • Where can you find information like this about Bosch Outdoor Laser Measure?

We’re convinced that you likely have far more questions than just these regarding Bosch Outdoor Laser Measure, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Bosch Outdoor Laser Measure, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Bosch Outdoor Laser Measure. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an Bosch Outdoor Laser Measure buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Bosch Outdoor Laser Measure currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Bosch Outdoor Laser Measure has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Bosch Outdoor Laser Measure?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Bosch Outdoor Laser Measure.
  5. Customer Ratings: Number ratings grade Bosch Outdoor Laser Measure objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Bosch Outdoor Laser Measure.
  7. Product Quality: You don’t always get what you pay for with an Bosch Outdoor Laser Measure, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Bosch Outdoor Laser Measure is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining Bosch Outdoor Laser Measure information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Bosch Outdoor Laser Measure is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: What is the best laser measurement tool?

A: For the best laser measuring tool, it’s about providing every measurement that you might find useful from a distance to the area. With the Bosch GLM 35 Laser Measure, you’re getting a multifunctional and a reliable laser measuring tool for the industry.

Q: What is the best laser measure tape?

A: Best Laser Tape Measure: The CST/Stanley 77-910 TLM100 FatMax Tru-Laser ($100) is accurate to 1/4 inch at up to 100 feet and is the best laser measurer on the market. The Stanley laser tape measure is more accurate than any sonic distance meter and it’s quick and efficient for household measuring or on the job.

Q: What is laser distance measure?

A: A laser distance meter works by use measuring the time it takes a pulse of laser light to be reflected off a target and returned to the sender. This is known as the “time of flight” principle, and the method is known either as “time of flight” or “pulse” measurement.

Q: What is laser measurement?

A: Laser Measurement System. The Laser Measurement System is the most accurate and easy to use tool available for setting up and checking the deflections of your control surfaces. It uses a High Quality, Industrial Grade Optical Laser to project a small beam of focused light onto a precision, graduated scale.