Vaisala Aneometer WAA 252

Non-freezing all weather sensor
Heatable cups!
Opto-electronic transducer

  • Class: 1
  • Measuring range: 0.4 ... 75 m/s
  • Temperature range: -55 ... 55 °C
  • Starting speed: < 0.5 m/s
  • Good effects in cold (arctic) climatic conditions
  • Heatable (cups included)



WAA252 Measurement Performance

Measurement range                                                                 0.4 ... 75 m/s (0.9 ... 168 mph)
Starting threshold                                                                    0.5 m/s (1.1 mph) 1)
Distance constant                                                                    2.7 m (8 ft 10 in)
Characteristic transfer function Uf (wind speed)                             0.328 + 0.101 × R (output pulse rate)

Transducer Output Level

(Iout < +5 mA) High state > 11 V
(Iout > -5 mA) Low state < 1.5 V

Accuracy Within 0.4 … 60 m/s (0.9 … 134 mph)
With characteristic transfer function                                          ±0.17 m/s (0.38 mph)
(standard deviation)

With simple transfer function                                                    ±0.5 m/s (1.12 mph)2)
Uf = 0.1 × R


Vaisala Aneometer WAA 252

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ICAL INSTRUMENTS CO.,LTD.

872/4, Ekachai Road, Bang Bon Nuea, Bang Bon
Bangkok, 10150

Mobile : 089-497-3239

Email : ical.servicecenter@gmail.com info@icalinstruments.com service@icalinstruments.com

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