Sturdy housing of high quality special casting; hammer finish. Vee base with ground contact surfaces in the angle (important for marking out, aligning, etc.). All measuring faces are exactly parallel to the axis of the vial. One longitudinal and one transverse vial each of glass. With insulated handles on the housing and protective glass over the vials.
Thermal insulation over the entire body protects against the effects of the heat of hands or breath. Recess in the body permits a side view of the vial.
For aligning surfaces, shafts, machines etc.
1 = with very high sensitivity longitudinal vial 0.02 mm/m.
2 = with high sensitivity longitudinal vial 0.1 mm/m.
4 = with normal sensitivity longitudinal vial 0.4 mm/m.
Magnetic version available on request.