Description

* Model: B20, B30A, B40A

* Magnification: 32x, 28x, 24x

* Circular level: 10’ / 2 mm

* Accuracy: 

   - Per km double levelling: 0.7mm, 1.5mm, 2mm

   - With micrometter: 0.5mm (only B20)

* Range: 0.2 - 100m

* Water-tightness and dust-tightness: IPX6