Can a Total Station be tracked when it is stolen?
The Real World Accuracy of Network GPS Rovers in Surveying.
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?
How often should you check an automatic level?
How often should you check an automatic level? We would recommend that site staff should check an automatic level for accuracy every week. This site check should also be logged and stored with the Calibration Certificate for the automatic level. Any deterioration in the accuracy of the automatic level can then be easily identified and the automatic level can be …
Checks on Total Station Accuracy
Why do Total Stations need to be Calibrated? Total Stations should have an independent check and adjustment performed on them at least once a year or at a point that you feel that the total station you are using is not giving the accuracy you expect it too. This is termed as a Calibration. The Calibration Certificate gives confidence to …
How do you check a dumpy level?
How do you check a dumpy level? A dumpy level is checked for accuracy by carrying out a two peg test. Here is a straight forward, easy to follow guide on how to perform a two peg test on a dumpy level. This is straight forward and can be done on any site by any competent surveyor or engineer. This …
Topcon DT-205L Theodolite
The Topcon DT-205 and the Topcon DT-205L are part of the Topcon DT-200 series of theodolites. They have remained unchanged for a number of years, testament to the design of the theodolite. These theodolites are straight forward to use and fast to setup, ideal for busy construction sites. The screen and interface on the Topcon DT-200 series is simple to …
How often should you check a dumpy level?
How often should you check a dumpy level? We would recommend that site staff should check a dumpy level for accuracy every week. This site check should also be logged and stored with the Calibration Certificate for the dumpy level. Any deterioration in the accuracy of the dumpy level can then be easily identified and the dumpy level can be …
Topcon LS-100D Rotating Laser Receiver
Is there a better receiver for rotating lasers? The Topcon rotating lasers all come with the Topcon LS-80A receiver as standard. The Topcon LS-80A receiver is a great receiver for use with rotating lasers, but Topcon also produces a more advanced receiver, the Topcon LS-100D. Topcon describe the LS-100D receiver as versatile and designed for maximum user convenience. And this …
Topcon DL-502 Digital Level
If you have been using optical levels, like the Topcon AT-B4A or the Topcon AT-B3A, and you need the next step up in accuracy for your levelling work then you need to consider investing in a Digital Level like the Topcon DL-502. The Topcon DL-502 is the more accurate Digital Level in the Topcon Range. Both the Digital Levels produced …
All You Need to Know About Rotating Lasers.
What is a Rotating Laser Level? A Rotating Laser Level is a piece of equipment that can project a laser beam 360 degrees either in a horizontal or vertical plane. The rotating laser level uses a beam that is projected on to a rotating mirror set a 45 degrees so that the laser beam can be projected on a horizontal …