· Automatic levelling

· Telescope water-proof

· Short focusing distance

The AL20 automatic level is used in 3rd and 4th order levelling and construction of builds,and leveling survey applications,the use of automatic compensator speeds up work and improves accuracy. The instrument can be worked in any environment with the water-proof

AL20

Per 1km double run

2.5mm

Telescope

Erect

Clear Objective Aperture

30mm

Magnification

20

Stadia ratio

100

Stadia constant

0

Short focusing distance

0.4m

Compensator

Working range

¡À 15¡ä

Setting accuracy

¡À0.5¡å

Net weight

1.9kg