| TECHNICAL DATA OF THE WDH146 AIR MOISTURIZER: |
| Fan | Stage 1 | Stage 2 |
| Circulating air quantity gradates | 490 m³/h | 790 m³/h |
| Humidification achievement/h max. one in litres | 1.25 l | 2.5 l |
| Humidification achievement/24h max. | 30 litres | 60 litres |
| Humidification achievement/24h in practice (average) | 18 litres | 26 litres |
| Power input/W | 48 | 55 |
| Noise levels in railway | 29 ! | 49 |
|
| Maximum room size (theoretical) | 900 m3 maximum |
| Recommended room size (in practice) | 400 m3 |
| Automatic dampness controller | yes |
| Power connection | 230 V/50 cycles/second |
| Weight | 18.5 kg |
| Castors for comfortable changing | 4 |
| Water tanks contents | 34 litres |
| Number of water tanks | 1 |
| Equipment color | old-white |