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The AT-B4A is a high-precision optical level designed for engineering measurement tasks that require accuracy and reliability. Built to withstand tough working environments, this auto level instrument from TOPCON is ideal for construction projects, land surveying, and other civil engineering applications.
Featuring advanced technology and a robust design, the AT-B4A ensures precise leveling and measurement with minimal setup. Its compact size and durable construction make it suitable for various outdoor and indoor projects, ensuring your work is completed with confidence and precision.
| Product name | AT-B4A | |||
| Mangnification | 24X | |||
| Waterproof level | IPx6 | |||
| working temperature | -20℃~+50℃ |
This leveling instrument is a must-have for professionals requiring a reliable and high-precision tool for engineering measurements. Whether for construction, land surveying, or other precision tasks, the AT-B4A delivers accuracy you can trust.



Product Usage

The AT-B4A features a 24X magnification, providing clear and accurate readings for precise measurements.
Yes, the AT-B4A is designed to withstand tough working environments and is water-resistant to IPX6 standards, making it suitable for various outdoor applications.
The AT-B4A operates effectively in temperatures ranging from -20℃ to +50℃.
The cross reticle allows for easy alignment and accurate leveling, helping users work efficiently and effectively.
The AT-B4A is battery powered, ensuring mobility and ease of use without the need for constant recharging.
Yes, the AT-B4A is water impervious to IPX6 standards, allowing it to function in wet environments.
The AT-B4A has a short sight line of 0.2m, which provides excellent accuracy for close-range measurements.
The AT-B4A features a 32mm objective aperture, ensuring optimal light transmission and clarity for precise measurements.
Yes, the AT-B4A has a sturdy construction that can withstand challenging job sites and harsh conditions.
The device can be safely stored in temperatures as low as -40℃ and as high as +70℃, ensuring longevity and durability.
The AT-B4A is ideal for professionals requiring a reliable and high-precision tool for engineering measurements, including construction and land surveying.
The AT-B4A is designed for minimal setup, allowing for quick and efficient use during engineering measurement tasks.
The AT-B4A is suitable for construction projects, land surveying, and other civil engineering applications requiring precision.
Please refer to the manufacturer's guidelines or the retailer for specific warranty information regarding the AT-B4A.
To maintain optimal performance, keep the AT-B4A clean, store it in appropriate temperature conditions, and check the battery regularly.
| Waterproof rating | IPx6 |
|---|
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