|
Models AP-128, AP-124, & AP-120
Rugged, dependable and designed for use in construction and civil engineering of all types. This series is available in 28x, 24x, and 20x to cover most all job requirements at an economical price. The top cover, body, and base are constructed of metal for the best in robust construction.
Telescope
Erect image with an analactic optical system. The resulting image is sharp and has high contrast, a traditional quality of our optics. Easy aiming with the optcal quick sight which locates the target quickly and places it well within the field of view.
Horizontal Circle
All models have a graduated horizontal circle. The circle is easily viewed from the normal operator position.
Setting Up
Can be mounted on flat or domed head tripods and have quick acting leveling screws for fast and easy setup.
Short Focus
A level rod or target can be focused from only 40 cm, with all models, which makes those tight jobs no problem at
Color
The metal top cap, of the level, is bright red for high visibility on the job site.
Construction
All major components are made of metal for durability. The objective lens is recessed for protection and for sun shade.
Endless Tangent
There are slow motion knobs on both sides of the level for right or left hand operation.
Rubber covered knob
The focus knob is covered in rubber for good grip and comfortable feel in both hot and cold temperatures.
Specifications
| | AP-128 | AP-124 | AP-120 |
| Telescope |
| Image |
Erect |
| Magnigication |
28 X |
24 X |
20 X |
| Effective aperture (mm) |
30 mm |
| Field of view (at 100m/ft) |
2.3 m / 2.3 ft. |
| Minimum focus (m/in) |
.4 m / 16 in. |
| Resolving power |
3.0? |
3.5? |
4.0? |
| Stadia ratio |
1:100 |
| Stadia constant |
0 |
| HORIZONTAL CIRCLE |
| Minimum Division |
1° |
| Estimation |
0.25° |
| Type |
Outside Ring |
| Diameter |
108 mm |
| COMPENSATOR |
| Type |
Metallic Strand |
| Damping |
Magnetic |
| Range |
±15? |
| Setting Accuracy |
±0.5? |
| ACCURACY |
| Standard Deviation |
±1.5mm |
±2.0mm |
±2.5mm |
| Single Reading |
| Fraction of inch at 100 ft. |
2.23 / 64 |
2.42 / 64 |
2.61 / 64 |
| SENSITIVITY OF VIAL |
| Circular Vial |
10? / 2mm |
| LEVELING BASE |
| Type |
3 screw |
| Tripod |
Flat or Dome |
| WEIGHT |
| Instrument |
1.9 kgs / 4.2 lbs. |
| Carrying Case |
1.4 kgs / 3.0 lbs. |
|