Topcon Auto Level ATB-4A Specification:
| Magnification | 24x |
| Type | Pendulum compensator with magnetic damping system |
| Operating Temperature | -4°F to +122°F (-20ºC to +50ºC) |
| Waterproof | IPX6 (IEC 60529:2001) |
| Dimensions | 5.12 in. (130mm) x W 8.46 in. (215mm) x D 5.51 in. (140mm) x H |
| Weight | AT-B3: 4.1 3.7 lbs. (1.7kg) |
| Object Aperture | 32 mm (1.26 inch) |
| Setting Accuracy | 0.5” |
Topcon Auto Level ATB-4A
Topcon ATB-4A auto-level is the ideal device for determining height differentials on busy and noisy job sites. With a completely new small lightweight design, they have excellent visibility of horizontal circle, superior gear ratio for shock and vibration and improved tangents and knobs.
The IPx6 rating ensures that the ATB-4A is protected against powerful water jets from all directions, meaning that it withstands sudden showers or torrential rainfall. The advanced protection design also deters clouding or condensation inside the telescope.
• 24x magnifications
• Rapid, accurate, and stable automatic compensation
• Ultra-short 20cm focusing
• All-weather dependability
• Endless fine horizontal adjustments