Specifications Magnification: 24x Accuracy: ±2 mm Compensator: Magnetic damped pendulum system Setting Accuracy: 0.5″ Field of View: 1°25′ Minimum Focus Distance: 20 cm (7.9 in) Horizontal Circle: 1° divisions Stadia Ratio: 1:100 Focusing Knob: One-speed Water Resistance: IP66 Operating Temperature: -4°F to 122°F (-20°C to +50°C) Image: Erect Product Description Topcon's AT-B4 24X Auto Level is a high precision auto level used for height, angle and distance measurements. The compensator in the AT-B series incorporates four suspension wires made of super-high-tensile metal that features minimal thermal expansion coefficient, providing unmatched durability and accuracy even in the harshest environmental conditions. Fine horizontal knobs located on both sides of the instrument can be operated without clamping, speeding up aiming procedures to the staff and other objects. With the IP66 rating, the instrument is protected against powerful water jets from all directions, meaning the AT-B series withstands a sudden shower or torrential rainfall. In all, the AT-B4 Auto level is top of it's class and provides professionals a tool that will last years to come. In the Box 330424-NC AT-B Level Plumb Bob Hex Wrench Adjusting Pins Vinyl Cover Cleaning Cloth Lens Cap User Manual Hard Carrying Case 330424-13-Inches AT-B Level Plumb Bob Hex Wrench Adjusting Pins Vinyl Cover Cleaning Cloth Lens Cap User Manual Hard Carrying Case 13' Grade Rod - Inch Graduation Tripod 330424-13-Tenths AT-B Level Plumb Bob Hex Wrench Adjusting Pins Vinyl Cover Cleaning Cloth Lens Cap User Manual Hard Carrying Case 13' Grade Rod - Tenth Graduation Tripod Brochures and Manuals Topcon AT-B series Auto Level Product Manual
