Laser Level Thermal Drift in Hot Weather
Direct sun and hot tarmac make a laser drift enough to matter over distance. Why thermal drift happens, and four simple steps to stop it building in an error.
1 min read
Survey, GPS & Lasers
<p>Setting-out and levelling guides for laser levels, total stations and GNSS. Green versus red beams, rotary versus line lasers, the two-peg test and moving from manual to robotic surveying.</p>
articles
Green vs Red Laser Levels: Which Is Better?
Green beams are up to four times more visible to the eye, so they win indoors; red is cheaper and fine outdoors with a receiver. How to choose your beam colour.
1 min read
The Two-Peg Test: Checking a Laser Level
A miscalibrated level reads slightly wrong, and the error grows with distance. The two-peg test catches it in ten minutes. Here is how to run it, step by step.
1 min read
Manual vs Robotic Total Stations
Manual needs two people; robotic lets one surveyor set out alone and pays back in saved labour. When robotic is worth it, and when manual still makes sense.
1 min read
Rotary vs Line Laser Levels: Which to Buy
Rotary for outdoor levelling and grade, line for indoor alignment and fit-out. The simple job-based way to choose the right laser level, and why many own both.
1 min read
Site Surveying: Precision and Alignment Guide (2026)
Accurate setting-out is matching the tool to the task: lasers for level, total stations for points, GNSS for area. How to choose, and how to check them.
1 min read