The Topcon DT-200 Series Advanced Digital Theodolite takes highly accurate angle measurements. The built-in telescope, which is 2.5”, has a magnification of 30x. The laser pointer has a range of 165', and is visible in different light conditions, including bright light. It aims quickly, making work go faster. The rating of IP-66 protects the unit against both dust and water.
The Topcon DT-200 Series Advanced Digital Theodolite with Laser Pointer also has a self-leveling feature, so it will adjust both the horizontal and vertical lines allowing for dual-axis compensation. The built-in bubble level and the optical plummet also help ensure the unit is level to get more accurate measurements. The tribrach is detachable, so be sure to make sure it is in the proper position when reattaching it. It has two LCD displays, which are visible in a variety of light conditions, including indoor and outdoor lighting.
Being battery powered, the Topcon DT-205L 5" Waterproof Digital Theodolites with Laser Pointer, will work for up to 140 hours. It is great for outdoor job sites where you might not have access to outlets. The serial port makes it simple to transfer data to your computer.