Theis TAN 4
The THEIS TAN 4 automatic level is a very low-priced model in our product range.
The compensator functions on the system as the Tenimat. The circle is also identical.
The TAN 4 has no reading mirror for the circular bubble. The telescope has 20X magnification.
Technical data
Telescope
Upright image/Non-reflecting coated optics
Magnification: 20 x
Objective diameter: 30 mm
Field at 1000 m: 34 m
Minimum sighting distance: 1 m
Stadia lines: 1 : 100/C=0
Compensator
4-Ribbons-suspension/ Magnet-damping:
Standard Deviation of
1 km levelling: ± 3 mm
Precision of adjusting: 0,5"
Compensation range: ± 20'
Circular bubble
Sensitivity for
2 mm displacement: 10'
Horizontal Circle (adjustable, Plastic)
Ø 100 mm
Reading: 1° or 1 Gon
Estimation: 6'/ 0,1 Gon
Weight: 1,2 kg