Features & Benefits
Choice of magnetic or air dampened automatic compensators
Double-sided, continuous horizontal tangent drives
Stadia lines for simple distance measurement
Convenient horizontal angle measurement
Built in bubble mirror and sighting guide
Metal housing for increased durability
Water resistant construction
Includes hardshell case
Two-person leveling across the job site
Leveling forms and footers
Checking elevation
Measuring cut and fill
Including
AL28M
Case
Operating Manual
Technical Data
Magnification: 28X
Dampening: Magnetic
Accuracy*: +/-1.5mm
Leveling Accuracy @ 50m: 2.5mm
Telescope:
Aperture: 30mm (1.2 in.)
Telescope image: Erect
Field of view angle: 1⁰20'
Shortest focus distance: 0.60m (1.97 ft.)
Stadia constant: 100
Addition constant: 0
Dimensions (L x W x H): Instrument: 103 x 190 x 135mm (5.2 x 7.5 x 5.3 in.)
Dimensions (L x W x H): Case: 170 x 280 x 190mm (6.7 x 11 x 7.5 in.)
Weight Instrument: 1.6 kg (3.5 lb)
Weight Case: 1.25kg (2.75 lb)
* Standard deviation according to DIN 18723 on 1 km of double leveling