Professional level with a semi-circular vial which has a magnifying lens effect.
■ Box type frame
■ With scale
■ Anodic oxidation coating surface
■ Semi-circular type lens vial (horizontal vial)
■ *100mm : Tubular resin vial
■ 4 scales
■ With phosphorescence sheet
■ Horizontal and vertical vial accuracy correction mechanism (exclude 100mm)
■ Adjustable with Torx screw (Driver T10) in accuracy correction
■ Shock absorbing end caps to preserve accuracy
■ Top read vial for an accurate read on vertical angles
■ 2 vertical vial (over 1000mm length)
■ Sensitivity 0.5mm/m = 0.0286°
■ Accuracy ±1.5mm/m = within ±0.0859°