AUTO LEVELS by TOPCON
The AT-B Series come in 3 models:
• AT-B2: 32x magnification (40x optional), 0.7mm accuracy (0.5mm with an optional micrometer)
• AT-B3: 28x, 1.5mm accuracy
• AT-B4: 24x, 2.0mm accuracy
The Topcon Automatic Level AT-B2 32X Auto Level w/ horizontal circle is a popular instrument that can work well in confined spaces. The AT-B series can focus on objects at 20cm (7.9in.) in front of the telescope, while older models provided 50cm or 1m (1.6ft. or 3.3ft.) minimum focusing distance. With the IPx6 rating, the instrument is protected against powerful water jets as well as sudden showers, torrential rainfalls or other inclement conditions. Clouding or condensation inside the telescope is prevented due to its innovative design.
A finely tuned magnetic damping system quickly levels and stabilizes the line of sight despite vibrations due to heavy equipment or busy roadways. The AT-B series has fine horizontal knobs located on both sides of the instrument that can be operated without clamping. Circular level can be viewed via integrated pentagonal prism (AT-B2) or plane mirror (AT-B3/B4) without changing the eye height. The free rotation feature of the horizontal circle allows you to read any angle from zero. Additionally, the circle is covered for protection against dirt and scratch. The compensator has four suspension wires made of super-high-tensile metal with minimal thermal expansion coefficient. This helps provide durability and accuracy even in the harshest environmental conditions.
The Standard Package has the following:
• AT-B series Level
• Plumb bob
• Hex wrench
• Adjusting pins
• Vinyl cover
• Cleaning cloth
• Lens cap
• User manual
• Hard carrying case
Optional accessories include diagonal eyepiece, 40x eyepiece (AT-B2) and optical micrometer for 0.1mm or 0.001ft. readings (AT-B2). An auto level needs to be cared for and calibrated at regular intervals to maintain accuracy and precision. The following tips will help you take care of your auto level and keep it working efficiently:
• Do not pack the auto level if it gets wet. Wipe down the instrument and dry it completely.
• The lens needs to be cleaned with a soft cloth regularly to prevent scratches.
• When using a dumpy level, do not handle it too much. Also, never lean upon a dumpy level or keep things on it.
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