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Bosch GLR225 Laser Distance Measurer

by Bosch

Price: £166.99 (£368.15 / kg) FREE UK delivery.
In stock.
Dispatched from and sold by Open Always.
4 new from £164.35
  • Accuracy: +/- 1/16-Inch (1.5mm)
  • Range: +/- 2-Inches to 230-foot(0.05mm to 70m)
  • Multi-surface area mode: Calculates the total area of several individual surfaces with a common length or height
  • Seven measuring modes: Length, area, volume, min/max, continuous, indirect length, multi-surface area measurements for versatile applications
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Product Information

Technical Details
Part Number GLR225
Product Dimensions19.8 x 18.4 x 5.4 cm
Item model numberGLR225
Item Package Quantity1
Batteries Included?Yes
Batteries Required?Yes
Additional Information
Best Sellers Rank 155,844 in DIY & Tools (See top 100)
Shipping Weight422 g
Delivery Destinations:Visit the Delivery Destinations Help page to see where this item can be delivered.
Date First Available17 Aug 2011

Product Description

The Bosch Laser Distance Measurer incorporates precision laser measuring technology, where the laser beam does both pointing and measuring, for distances up to 230 feet. Range (ft.): 2 - 230, Accuracy: ±1/16in., Functions (qty.): 7, Measures: Length, area volume, min./max., continuous, indirect length, multi-surface area measurements, Battery Type: AAA, Battery Included: Yes (4)

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Customer Reviews

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Most Helpful Customer Reviews on Amazon.com (beta)

Amazon.com: 185 reviews
132 of 147 people found the following review helpful
Upgrade and downgrade from DLR-165 30 July 2010
By Tool Nut 102 - Published on Amazon.com
The GOOD: Bosch has definitely listened to its customer base ... They added the following features to the GLR-225:

+ Inches-only readout, in addition to the ft/in and metric units already available
+ Small bubble level, to help make measurements a little more accurate
+ Another ~50 ft distance capability (230 ft vs 165 ft for previous model).
+ Extension pin for corner measurements is now metal, rather than plastic as on previous model.

The BAD:

- The keypad has been changed to extremely mushy plastic buttons, which I would expect to fail much sooner than those on the previous model and on the competition's units. The buttons are very clumsy and uncertain to use, with lots of mushy travel and poor tactile feedback.

- The time to take a measurement is MUCH slower than on the previous model. It takes several seconds to respond, under even ideal conditions. The previous model would capture a measurement almost instantaneously under good conditions.

- The case has been changed from an easy in-out, well-fitting case to one with elastic panels that must be stretched to allow the unit to be jammed into the case or yanked out of the case. Putting the unit back in the case is now a 2-handed job. Very inconvenient when the case is on your belt and you are walking around the jobsite taking measurements here and there, and wanting to re-holster the unit between uses. Also - the bubble level was added as an afterthought, and not integrated into the molded case, so it sticks out and creates an obstruction when trying to get the unit in or out of the case.

- Still no backlight.

Overall, I would rate this unit as a net DOWNGRADE as compared to the previous model DLR-165. The extremely poor quality of the new keypad and the VERY slow response speed are deal-breakers for me. Grab one of the DLR-165s if you can find one on closeout.
27 of 27 people found the following review helpful
Pro or DIY: Excellent Product at at Great Price 7 Dec 2011
By Much2Do - Published on Amazon.com
Verified Purchase
Just received my GLR225 yesterday and I am very pleased!

Carpenters, architects, installers, maintenance personnel, engineers, and homeowners will benefit from this product. This tool makes quick work of measuring distances, square footage, and volume with easy to use functions.

I made four different measurements of my living room within minutes after opening the package. I checked the readings with a tape measure and found them to be within the advertised 1/16". Very impressive! Press the laser button to turn it on, click to "fire the laser," click once again to capture the measurement. Value displayed about a half second after button press, and the unit clicks to indicate you've taken a reading. I found the rubber-top buttons to be comfortable to operate and appear to be durable. I was concerned about this after reading a previous review, but they are quality and probably more moisture resistant than solid plastic buttons.

The display shows a small diagram of the type of measurement you've selected. Line mode shows a blinking line, area mode shows a rectangle with the required line blinking, volume mode shows a cube with a blinking side as well. Pythagorean mode displays a triangle for taking indirect height measurements; very handy! Each mode clearly tells you the required input so that you get an accurate result. This allowed me to operate the unit immediately before referring to the manual. Using the adjacent wall function I was able to capture wall square footage for a bedroom in about 30 seconds. This will be great for painting calculations. I did look at the memory function section to make sure I understood how this worked. Lanyard was a bit tricky to install but a twisty-tie mini hook made quick work of it.

The unit easily toggles between measurement datums. You can select the bottom, extension pin for corners, top, or rear tapped hole for tripod mounting. Other features include the min/max function for finding diagonals, laser on for pointing, and the ability to change between architectural ( 1' 2-1/2") fractional inch ( 73-1/2") decimal meter ( 4.053 m) and decimal foot (5.638 ft). Integrated level is nice for making sure you don't get a cosine error on linear measurements. Included case is nice for putting on your belt via velcro, but I would prefer a belt clip either on the case or the unit itself. I've noticed laser-enhancing glasses for sale online, and from reviews they seem to aid laser daylight target visibility.

Overall this is an excellent tool for the price. There are more advanced laser measurers for sale but they run hundreds of dollars more. A back-lit LCD would be a nice option on these units, but I like the long battery life claimed by other reviews. If quick, accurate measurements around the home or job-site are what you're looking for, this product will get the job done.
18 of 20 people found the following review helpful
Great for Realtors 1 Feb 2011
By Realtor - Published on Amazon.com
I purchased this to measure rooms for listings. It is able to give me square feet and area with a couple of clicks. It is incredibly fast and easy. I have used it with clients as we walk through homes to verify room sizes. Overall this has made my job easier and I can provide a lot more information to my clients.
8 of 8 people found the following review helpful
great product, iffy manual 4 Dec 2012
By Guy Teague - Published on Amazon.com
Verified Purchase
i have to subtract 1 star because of the manual. i have no background in construction, and it could be argued that i just lack the vocabulary except that there are tons of tiny pictures and not much verbiage at all--the sort that i hate the most because no matter how much the icon lovers insist, an image doesn't mean the same to one person as it does to another. mystery icons on my smartphone drive me batty as well.

but no, the worst problem with the glr225 manual is there are a couple of drawings in the front section with numbered features and buttons and display items which are so important that you literally cannot read the rest of the manual without them as it refers to numbers and not to button labels or features. craziest thing i ever saw, to save 3 or 4 characters they make you go back to the two pages that have the rosetta-stone key and there is no way to fold those essential pages out for viewing along with the text that refers to them. here are two examples to give the flavor:

"For length measurements, push button 5 ... | ... To change the unit of measure, push button 13 ... "

the pdf version of the manual was not on the web site, but a pleasant surprise was when i accidentally hit the 'chat' button on the bosch website late in the evening and a helpful support person popped up and emailed me the pdf manual without any hesitation. full marks there! once i had the pdf version i was able to save the numbered drawing pages off as separate pdf files and then i could pull them up and display them continually as i read the rest of the manual that referred to them.

there's really not much to say about the device itself. as i say, i have no background in construction or the use of such devices, but i was able--despite a lack of descriptive text and having to decode pictures--to perform nearly every function this meter offers to my satisfaction. i'm still a little unclear how the min/max function works or what it is for (i notice it keeps the laser on continually), but i've only been through the manual once, so i'll bet i get it on the 2nd or 3rd try.

i closely compared this device against 3 or 4 other devices at up to twice the price and just when i found a feature on one of the other devices the bosch didn't seem to offer i would discover a way to do it on the glr225. and even i began to see the worth of the simplicity of the display on the bosch. the display is crisp and clear, but the lack of a backlight is a shortcoming, but to be fair, some laser tape units that have backlights don't measure up (sorry!) to the boschs' capabilities.
17 of 20 people found the following review helpful
Works well, built well. 25 Dec 2011
By J. York - Published on Amazon.com
Vine Customer Review of Free Product ( What's this? )
My first experience with laser/sonic distance measurement tools was the Straight-Line 64030. It was given to me as a gift and quickly found a place in my "unused tools pile". The problem I had with the Straight-Line was that it was not all that reliable or consistent in its measurements. That's being a bit kind; I couldn't trust the Straight-Line as it was wildly wrong about half the time. I assumed products in this category weren't ready for prime time. That was 2003.

Fast forwarding to 2011, I was eager to try the Bosch GLR225. The first thing I noticed is how well constructed the Bosch unit is. It is as durable as you would expect of a tool with the Bosch name on it. The plastic is a hard plastic that could probably be thrown out of a moving vehicle and not suffer more than scratches. This thing should hold up a long time.

I immediately started testing various measurements in my house and comparing the readings to an old-school measuring tape and the Straight-Line. I found the Bosch GLR225 to be precisely the same as the measuring tape to at least 1/4" accuracy. I measured an indoor space (> 15 feet) and both the Bosch and the measuring tape gave identical measurements while the Straight-Line was off by 1/2 inch.

I then tested numerous locations in my house and found that each time, the Bosch was within 1/8" or better of my tape measure. In some of the longer measurements, I think the Bosch was more accurate because the tape measure was not perfectly straight (it bends due to gravity which messes up the measurements.) I did one test where I positioned the laser marker adjacent to a part of a countertop that juts out 3 inches from the wall. I then measured from across the room with the dot on the countertop and then again on the wall. It was accurate to 1/16" in both cases; basically, wherever I pointed the laser dot is *exactly* where it measured to. I was impressed by this fine resolution from 15' away.

I then went outdoors and positioned the dot on my back fence. Even in daylight, I could see the dot from 60' away. It was a bit dim, but still quite visible. The measurements continued to be accurate.

After about 50 measurements, I have yet to get a bizarre reading from the Bosch GLR225. In the case of the Straight-Line, I would get a crazy result about half the time. Things have come a long way since 2003!!

My only complaint is the lack of a backlight for the LCD display: you can't use this in the dark.

A few notes:
* It has a "min/max" function. If you set it to "min", it will continuously measure wherever the dot is pointed and show both the current distance and the shortest distance that it has measured so far. The "max" function works the same way.
* It reports distances to the nearest 1/16 of an inch.
* Measurements are quite fast- usually within a second.
* It does not appear to be water proof/water resistant- the battery case would easily take on water if it landed in a puddle. I think it would be ok to use in the rain.
* It has a handy mode for calculating square footage and cubic footage of an area. The on-screen LCD display helps guide you with handy pictures showing the room dimensions.
* It has a handy mode for doing continuous square footage measurements of multiple spaces while adding to the running total. This would make it very easy to go from room to room taking square footage measurements with minimal fuss. Very cool.

I think this is a very good product and if you have to do frequent measurements of large spaces, something like this would be a key part of your toolbelt. I think it will last a long time under heavy use.
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