Retroreflectometer
Description:
Budget priced user-friendly entry level retroreflectometer with one button operation for measuring night visibility (RL) and day visibility (Qd) of road markings as well as ambient temperature (°C/°F) and relative humidity (rH %)
Technical Specifications:
| Equivalent observation distance | 30 m, according to CEN-geometry |
| Observation angle | EN 1436: 2.29 ° , ASTM E1710: 1.05 ° |
| Illumination angle RL | EN 1436: 1.24 ° , ASTM E1710: 88.76 ° |
| Illumination angle Qd | diffuse |
| Measuring sensor adaption | V( λ ) |
| Measuring area (WxL) | 52 mm x 218 mm (2.05 x 8.58 “ ) |
| Measuring range (RL) | 0 - 4’000 mcd•m-2•lx-1 |
| Measuring range (Qd) | 0 - 400 mcd•m-2•lx-1 |
| Measuring range profiled markings | 5 mm (0.2 “ ), up to 12 mm (0.5 “ ) with instruction |
| Measuring time RL/Qd | ≈ 2 s |
| Memory capacity | none |
| Display | transflective luminous LCD display with LED backlight |
| Accumulator | Li-Ion-Mn 14.4V / 6.5 Ah |
| Operating temperature | -10 ° C - +50 ° C (14 ° F - 122 ° F), non condensing |
| Storage temperature | -20 ° C - +60 ° C (-4 ° F - 140 ° F) |
| Material housing | anodised aluminium |
| Dimensions (LxWxH) | 560 mm x 190 mm x 280 mm (22" x 7.5" x 11 “ ) |
| Weight | 6.4 kg (14.11 lbs) |
| Standards | EN 1436 (RL/Qd), ASTM E1710 (RL), ASTM E2302 (Qd), ASTM E2177 (RLwet) |
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