Specification :

Brief Introduction

° AL series are optical instruments mainly used in surveying and building to transfer, measure, or set horizontal levels.It is a high quality, accurate, water resistant and low cost unit ideal for site measurements.

Features:

° 7-pieces built-up telescope system gets clearer images
° Exclusive closed magnetic field
° Magnetically-dampened compensator
° Compensator lock
° X-type thread air-damper applied to tilt sensor, high precision and reliable.
° All metal housings for increased durability
° Top-mounted optical peep-sight for quick reference
° Superior shake-resist, waterproof and dustproof