1)Thin-film phonic switch
Original thin-film phonic switch desgin not only enhanced the water-proof feature of PTV-1, but also convenient to master light adjusting degree.
2)Visible verticle laser objective
Able to see clearly laser beam through telescope, no harm to eyes. Effective viewing distance is 150m
3)Infinity focus adjusting knob
Orginal infinity focus adjusting design, not only able to avoid slippage phenomenon, but also could extend service life of knob
4)Ultra-short viewing distance
0.2m untra-short viewing distance, able to further extending the viewing range
5)Water-proof feature
Professional water-proof design completely avoid be effected with damp, water-proof degree is IP55
| Model |
PLV-1A |
PLV-1B |
| Telescope |
Efective aperture |
36mm |
| Magnification |
26× |
| Image |
Erect |
| Field of view |
1° 30' |
| Shortest focus |
0.4m |
| Measurement accuracy |
upward |
1/45000 |
| downward |
1/2000 |
| Upward laser |
wave length |
635nm |
| laser range |
120m(cloudy, day) |
| 250m(night) |
| laser spot size |
3mm/80m |
| output power |
5mw |
| Downward laser |
wave length |
650nm |
| output power |
0.1mw |
| shortest focus |
0-5m |
| Precision of Plate level |
30 " /2mm |
20 " /2mm |
| the error between collimation axle and vertical axle |
≤ 5" |
| consistency between laser axle and collimation axle |
≤ 5" |
| Power on/off switch |
switch type |
rotary switch |
thin-film phonic switch |
| alarmdirecting |
without |
with |
| pressing voic tips |
without |
with |
| others |
operating temp |
-20° C-+50° C |
| power |
2*1.5v AA or rechargable battery |
| Weight |
2.8kg |
2.8kg |
Audited Supplier 
){kind=link}
){kind=link}