How do you check an automatic level?

How do you check an automatic level? An automatic 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 an automatic level.  This is straight forward and can be done on any site by any competent surveyor or engineer.  This …

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The New Topcon AT-B2 Accurate Auto Level

The Topcon AT-B2 is the most accurate Auto Level in the AT-B Series from Topcon and supersedes the previous Topcon AT-B2 model that was based on the Sokkia series of Auto Levels.  There are 3 models in the Topcon AT-B range, the Topcon AT-B4A, the Topcon AT-B3A and the Topcon AT-B2. Topcon describe the AT-B series of Auto levels as …

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How to check a Rotating Laser

Checking any Rotating Laser for level accuracy uses the same principle as checking a dumpy or Automatic Level, which is we should have the same height difference of two points when measured from different positions and different lengths of sight.  However there are more steps involved for the rotating laser check than a two peg test for checking an Automatic …

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Topcon DT-207 Theodolite

The Topcon DT-207 and the Topcon DT-207L 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 …

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The Topcon AT-B3A Auto Level

What is the Best Mid-Range Automatic Level? The Topcon AT-B3A is the mid-range Auto Level in the AT-B Series from Topcon and supersedes the Topcon AT-B3 model that was based on the Sokkia series of Auto Levels.  There are 3 models in the Topcon AT-B range, the Topcon AT-B4A, the Topcon AT-B3A and the Topcon AT-B2. Topcon describe the AT-B …

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How to setup a Total Station above a Control Point

Remember that before setting up any total station on a tripod it is important to know that the tripod you are using is in good condition.  A test for the tripod can be found on the page test your tripod. This guide is suitable for setting up Total Stations above known control points, which are also referred to as Stations.  …

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Topcon RL-H5A Rotating Laser.

Topcon have recently released the RL-H5A rotating laser and RL-H5B rotating laser.  These rotating lasers are the replacement for the Topcon RL-H4C rotating laser, which has been around since mid 2013. Topcon describe the RL-H5A as being the next generation of Self Levelling Construction rotating laser.  With more buttons on the front of the Topcon RL-H5A than the Topcon RL-H5B, …

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The New Topcon AT-B4A

What is the Best Value Automatic (Dumpy) Level The Topcon AT-B4A offer the best value in the Topcon AT-B series of Automatic (Dumpy) Levels. The Topcon AT-B4A is the entry level Auto Level in the AT-B Series from Topcon and supersedes the Topcon AT-B4 model that was based on the Sokkia series of Auto Levels.  There are 3 models in …

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Topcon RL-H5B Rotating Laser.

The New Topcon RL-H5B Rotating Laser. Topcon have recently released the RL-H5A rotating laser and RL-H5B rotating laser.  These rotating lasers are the replacement for the Topcon RL-H4C rotating laser, which has been around since mid-2013. Topcon describe the RL-H5B as being an easy to use, long range and high accuracy rotating laser.  With very few buttons on the front …

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Topcon DT-209 Theodolite

The Topcon DT-209 and the Topcon DT-209L 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 …