Home / Products / Meteorology / Vaisala Present Weather Detectors PWD22 and PWD52
Vaisala Present Weather Detectors PWD22 and PWD52
Overview
- Accurate, traceable measurement of prevailing visibility
- Detects precipitation type
- Measures the intensity and accumulation of precipitation
- Estimates snow accumulation
- Indicates the cause of reduced visibility
- Robust and dependable
- Weather-proof design reduces need for maintenance
- Easy to install, easy to integrate
Technical Specifications
| Visibility (MOR) measurement | |
| PWD22: Measurement range | 10...20,000 m (32 ft...12 miles) |
| PWD52: Measurement range | 10...35,000 m (32 ft...21 miles) |
| Present weather | |
| PWD22/52: | |
| Identifies | 7 different types of precipitation (rain, freezing rain, drizzle, freezing drizzle, mixed rain/snow, snow, ice pellets) Fog, mist, haze (smoke, sand) or clear. |
| Reports | WMO 4680 (SYNOP), 4678 (METAR) and NWS code tables 49 different codes supported from WMO 4680 code table |
| Operating environment | |
| Temperature | -40...+60 °C |
| Humidity | 0...100 %RH |
| Inputs and outputs | |
| Outputs | RS232, RS485, analog current, relay control |
| Operating voltage | 12 VDC...50 VDC (electronics)
24 VAC or 24 VDC for heater option |
| Power consumption PWD22 and PWD52 | 6 W |
| Mechanics | |
| Dimensions | 222 mm (h) x 695 mm (w) x 432 mm (d) (8.73” (h) x 27.35 “ (w) x 16.99”(d)) |
| Weight | 3 kg (6.61 lb) |
| For complete specifications, please see the brochure or user guide in "Documents". | |
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