| Property | Description/Value |
|---|---|
| Averaging interval |
3 s (selectable range 0.25 … 5 s) |
| Updating interval | 0.25 s |
| Wind speed | |
| Observation range | 0 … 75 m/s (0 … 168 mph) |
| Observation frequency | 4 Hz |
| Resolution | 0.1 m/s |
| Wind direction | |
| Observation range | 0 … 360° |
| Observation frequency | 32 Hz |
| Resolution 1 | 2.0° |
| Property | Description/Value |
|---|---|
| Input operating voltage | 9 … 31.5 V |
| Input operating current (incl. both sensors) |
Power-save enabled: 7 mA typically at 24 V Power save disabled: 37 mA typically at 24 V |
| Heating control, WA15 | On at 3 °C (37 °F) / Off at 5 °C (41 °F), adjustable |
| Input heating voltage, WA15 |
16 … 24 V DC or V AC rms with 1 or 2 sensors in parallel 32 … 48 V DC or 32 … 43 V AC rms with 2 sensors in series |
| Input heating current |
1.0 A typically at 20 V with 1 or 2 sensors in parallel 0.5 A typically at 40 V with 2 sensors in series |
| Heating for WA25 | Passed by with expansion connector |
| Sensor operating power | 11.5 V / 20 mA typical per sensor (peak current) |
| Power save duty cycle |
510 us wide pulses at 32 Hz to wind vane 75 us wide pulses at 2.5 kHz to anemometer |
| Signal input |
6‑bit parallel GRAY code (0.5/10.5 V typical) from wind vane 0 … 750 Hz square wave (0.5/10.5 V typical) from anemometer |
| Data output | 2‑wire half-duplex RS‑485, 9600 8N1 2 |
| Service interface | RS‑232 or RS‑485 |
| Message protocol | NMEA 0183, MWV, and MWV Query |
| Property | Description/Value |
|---|---|
| Operating temperature | −55 … +60 °C (−67 … +140 °F) |
| Storage temperature | −60 … +70 °C (−76 … +158 °F) |
| Operating humidity | 0 … 100 %RH |
| IP rating | IP65 |
| Property | Description/Value |
|---|---|
| Weight | 1.5 kg (3.3 lb) |
| Material | Aluminum |
| Dimensions | |
| Crossarm and junction box (W × H × D) | 887 × 165 × 157 mm (34.92 × 6.50 × 6.18 in) |
| Junction box (W × H × D) | Without cable glands: 127 × 82 × 58 mm (5.00 × 3.23 × 2.28 in) With cable glands: 127 × 110 × 58 mm (5.00 × 4.33 × 2.28 in) |
| Printed circuit board (W × H) | 114 × 68.5 mm (4.49 × 2.70 in) |
| Property | Description/Value |
|---|---|
|
Compliance marks |
CE, China RoHS, RCM |
| Spare part | Order code |
|---|---|
| Component board for WAC155 | WAC155CB |
| Crossarm and serial RS-485 transmitter | WAC155 |
| Sensor cable for WAA151/252 0.8 m (31.5 in), open lead on one end (6 wires), connector 230118 on other end | ZZ45036 |
| Sensor cable for WAV151/252 0.8 m (31.5 in), open lead on one end (10 wires), connector 230119 on other end | ZZ45037 |
| Special length sensor cable for WAA151/252, open lead on one end (6 wires), connector 230118 on other end | ZZ45036SPEC |
| Special length sensor cable for WAV151/252, open lead in one side (10 wires) and connector 230119 in another side | ZZ45037SPEC |
| Connector WAA151, WAA252 | 230118 |
| Connector WAV151, WAV252 | 230119 |
1 Gained by
averaging the eight samples in each 0.25‑second period.
2 Adjustable rate: 300 … 19200, 7/8, O/E/N, 1/2.