MD30 reports the following surface state information.
| Value | Surface state | Layer thickness threshold |
|---|---|---|
| 0 | Error | − |
| 1 | Dry | Water/Ice/Snow: < 0.015 mm (0.00059 in) |
| 2 | Moist | Water: 0.015 ... 0.045 mm (0.00059 ... 0.00177 in) |
| 3 | Wet | Water: > 0.045 mm (0.00177 in) |
| 4 - 5 | − | − |
| 6 | Snowy | Snow: > 0.030 mm (0.00118 in) |
| 7 | Icy | Ice: > 0.015 mm (0.00059 in) |
| 8 | − | − |
| 9 | Slushy | Moist/wet + ice/snow |
| 10 - 12 | − | − |
MD30 reports the following surface state information according to EN 15518.
| EN 15518 refers to the European Standard EN 15518-3:2011 Winter maintenance equipment - Road weather information systems - Part 3: Requirements on measured values of stationary equipments. |
| Value | Surface state | Layer thickness threshold |
|---|---|---|
| 0 | Error | − |
| 1 | Dry | Water: < 0.01 mm (0.00039 in) |
| 2 | Moist | Water: 0.01 ... <0.20 mm (0.00039 ... 0.00787 in) |
| 3 | Wet | Water: 0.20 ... 2.00 mm (0.00787 ... 0.0787 in) |
| 4 - 9 | − | − |
| 10 | Streaming water | Water: > 2.0 mm (0.00787 in) |
| 11 | Slippery 1 | Ice/snow/slush: > 0.01 mm (0.00039 in) |
1 Icy and slushy are reported as slippery in
EN 15518.