Roller Parallelism Measuring Instrument AL191
Visual Laser Roller Alignment Tool
Adopting laser reflection technology, the AL191 laser alignment system is specially designed for roller parallelism calibration. Compact, lightweight and highly durable, it can be mounted on rollers of all sizes and secured with straps. The applied laser reflection technology effectively enhances angular resolution and delivers intuitive, dependable visual measurement results. Built with semiconductor laser components, the device outputs high-brightness laser beams for clearer observation.
This unit supports a maximum measuring distance of 6 meters between rollers. The laser emitter is fixed on one roller, and the matching reflector is mounted on the counterpart roller. The laser beam projected to the reflector enables instant inspection of vertical alignment, while the reflected beam feeds back data to check horizontal parallelism. Featuring an intuitive operation logic, the system allows single-person operation. Users can complete measuring tasks quickly even without professional training.
Dimensions
| Transmitter dimensions (l x h x w) | 98 x 97 x 52 mm |
| Target dimensions (l x h x w) | 98 x 97 x 52 mm |
| Case dimensions (l x h x w) | 360 x 110 x 260 mm |
Performance
| Measurement distance | 50 – 6000 mm |
Properties
| Recommended applications |
Most machines using V belts, banded belts, ribbed belts, most other belts
Chain sprockets
|
| Mounting | Magnetic, side mounted |
| Laser type | Visible red line laser |
| Laser wavelength | 635 nm |
| Laser power max | 1 mW |
| Laser line length (at 2 m) | 2.4 m |
| Measurement accuracy angular (at 2 m) | 0.02 ° |
| Measurement accuracy offset | 0.5 mm |
| Transmitter weight | 0.25 kg |
| Target type | Second transmitter unit |
| Target weight | 0.25 kg |
| Housing material | PC/ABS blend, overmoulded with TPU rubber |
| Colour |
Yellow
|
| Battery | 3x AAA (Alkaline (incl.) or Rechargable) |
| Battery life | 32 h |
| Degree of protection (IP) | IP 40 |
| Operating temperature range | 0 – 40 °C |
| Recommended storage temperature | -20 – 60 °C |
| Relative humidity | 10 to 90%, non-condensing |
| Content |
2x AL191 transmitter units
6x AAA batteries
1x printed instructions for use
1x Carrying case (size B)
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