Details
Master Precision Levels 199 Series
- Master Precision Level, 15" (380 mm)
- Ground and graduated main vial of 10-second accuracy; one division equals 1/2 thousandth (0.0005) of an inch per foot, or 0.04 mm per meter
- Main vials have seven graduations on each side of the bubble
- Auxiliary level vial shows lateral position and assists in horizontal setting
- Level vials are positioned so breakage is reduced to a minimum
- Fool-proof adjustment to avoid tampering, once set
- Special alloy iron used to obtain freedom from thermal effects
- Castings are thoroughly seasoned and machined
- Reference surface is scraped
- Non-machined surfaces have a black wrinkle finish
- Insulation from handling by means of top plate of nonconductive material