Waterpass Topcon AT B4 ( Pembesaran 24x ) / Auto Level Topcon AT B4
Auto Level Topcon ATB series
3 Models - 32x, 28x, and 24x Magnifications
Rapid, Accurate, and Stable Automatic Compensation
Ultra-Short 20cm (7.9 in.) Focusing
All-Weather Dependability
Clampless, Endless Fine Horizontal Adjust