Advantages: gol 20 d professional
robust and reliable – ideal for outdoor use
ideal for outdoor use due to a robust housing with dust and splash protection (ip54)
fast aperture for excellent staff reading
compensator lock for safe transport
target collimator for rough alignment
penta prism makes it easy to read the circular vial
erect image
large focusing knob for easy alignment
fast aperture for a sharp image of the target (measuring rod)
endless degree/angle setting using knobs with friction-braked rotation
technical data: gol 20 d professional
unit of measure 360 degrees
magnification 20 x
accuracy 3 mm at 30 m
working range up to 60 m
dust and splash protection ip 54
operating temperature -10 – 50 °c
storage temperature -20 – 70 °c