Can a Pipe Laser Beam Refract. Pipe lasers are great bits of kit for laying drainage pipes. They ensure that pipes are laid straight and to the correct grade. They make the job of laying drains easy. They make the job of laying drains accurately. They make the job of laying drains quicker. At least […]
We are told that GPS Network Rovers have cm accuracy. This means that with the correction service that GPS Network Rover knows its position within a 20cm sphere (the size of a small stone) anywhere in the world.
But is this true?
Are Rotating Laser Levels More Accurate than Claimed? I have often said in review articles about rotating laser levels that I find them to be more accurate than the quoted figures from the manufacturers. These comments are based on my experience using some of the best rotating laser levels that are available for use on […]
Weekly Checks are Essential on Auto Levels The Auto Level, while not great in cost, is a precision piece of measuring equipment. Being able to see and provide levels, to within a couple of millimetres, at a distance of 50m from the auto level is incredible. But having confidence that your auto level is giving […]
Doing an internet search for finding a freelance engineering role usually brings up lots of adverts for companies that say they can get you a job. They all say they know the key to success for your next freelance role. But do they?
Why do we need accurate measurement? Whenever we take a measurement, we want it to be as accurate as possible. We need the measurement to be right. But we know that any measurement that we take will have an error associated with it. If we do not have accurate measurements, then whatever we are building […]
Setting out on construction sites always involves either taking measurements or giving measurements from points or base lines. But whenever a measurement is taken or given for the purpose of setting out on a construction site it will be subject to errors. These errors may be negligible, or they might be significant. For the purpose […]
On this page I shall be detailing pieces of survey equipment accessories you need, but didn’t know about. All the items of equipment put on this page should make your working life easier. I shall be updating this page all the time with new products as I find them. Leica A4 Target Plate If you […]
Can a dumpy level really be used to measure distances? Yes, it can. And in this article I shall be detailing how this can be done. How to use a dumpy level to measure distance. A little-known trick that can be done with automatic (dumpy) levels is to measure distances. This is done by using […]
Total Stations are very accurate pieces of equipment that are very expensive. But they can be useless if they are affected by these 5 factors.