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Stonex STT402L

The Stonex STT402L theodolite has been developed for extremely accurate measurement of vertical and horizontal angles and is frequently used for construction and landsurveying. Due to the 1″ angular accuracy, the Stonex STT402L is also very suitable for monitoring and registering deformations during construction and infrastructure projects.


The ergonomic keyboard and large LCD display contribute to the productivity of the surveyor in the field. Thanks to the bright crosshair illumination, the instrument can also be used in low light conditions, such as in tunnels and buildings. With just the push of a button, the STT402L converts vertical angles to slope, locks the horizontal angle, allows you to set the horizontal angle to zero and allows you to repeat a measurement. In low power mode, this electronic theodolite has more than 80 hours of working time. The STT402L also offers the possibility to use both rechargeable Li-Ion batteries and standard AA batteries. The double-axis compensator with 1″ angular accuracy ensures reliable measurements on any construction site.




Would you like to know more about our theodolites, or make an appointment for a demonstration? Contact us via the buttons below or call directly on telephone number +31 297 769 101.