The Geomax ZPR100 Circular Prism with Holder and 0-offset, is used in Surveying and Construction as a Target Reflector for measuring distances on the field by Engineers and Contractors.
Built for durable and stable pole mounting. The Prism constant is 0.0; with Absolute of -34.4, and has a range of upto 12,000’.
Compare our Geomax Prism ranges - Dependant on 3 Atmospheric Conditions;
- Range A: Strong haze, visibility 5 km; or strong sunlight, severe heat shimmer
- Range B: Light haze, visibility about 20 km; or moderate sunlight, slight heat shimmer
- Range C: Overcast, no haze, visibility about 40 km; no heat shimmer.
| | Range A [ft] | Range B [ft] | Range C [ft] |
| Standard Prism ZPR100 | 6000 | 10000 | 12000 |
| Three standard Prisms ZPR100 | 7500 | 14700 | 17700 |
| 360° Prism ZPR1, GRZ122 | 2600 | 5000 | 7000 |
| 360° Mini Prism GRZ101 | 1500 | 2600 | 3300 |
| Mini Prism ZMP100 | 2600 | 4000 | 7000 |
| Mini Prism with Tip ZMP101 | | | 6500 |
| Reflector tape ZTM100 | 500 | 800 | 800 |
ZTP100 Target Plate for precise aiming over long distances is sold separately.