Retroreflectometer
Description:
The portable handheld retroreflectometer with memory for determination of night visibility and day visibility of road markings as well as ambient temperature and relative humidityTechnical 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 (0.20“), up to 12 mm (0.47“) with instruction |
| Repeatability | ± 2% |
| Reproducibility | ± 5% |
| Measuring time RL/Qd without pictures | ≈2 s |
| Measuring time single without pictures | ≈1 s |
| Memory | internal flash memory |
| Memory size | 1 GB |
| Memory capacity | 50‘000 measurements without pictures |
| Interface | Host USB (type A), Client Mini USB (type B) |
| Interface optional | bluetooth® |
| Touchscreen display | 5.7“ colour TFT (LCD), LED backlight, VGA resolution |
| Pictures (resolution / format) | 600 px x 230 px, 97 dpi, jpg |
| 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) | 658.5 mm x 190 mm x 408.5 mm (25.9" x 7.5" x 16.1") |
| Weight | 7.6 kg (16.76 lbs) |
| Standards | EN 1436 (RL/Qd), ASTM E1710 (RL), ASTM E2302 (Qd), ASTM E2177 (RLwet) |
| Approval | StrAus-Zert, Germany (test No.: 0913-2010-06) |
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