Vaisala AWS330 - Manual (Page 257)

Chapter 8 ____________________________________________________________ Technical Data
VAISALA ______________________________________________________________________ 255
Mechanical Wind Sensor Set WA15
Mechanical Wind Sensor Set WA15 consists of Vaisala Anemometer
WAA151 and Vaisala Wind Vane WAV151.
Vaisala Anemometer WAA151
Table 96
Vaisala Anemometer WAA151, Wind Speed
Property Description/Value
Measurement range
0.4 ... 75 m/s
Distance constant 2.0 m
Characteristic transfer
function U = 0.328 + 0.101 × R
(where U = wind speed [m/s], R = output pulse
rate [Hz])
Table 97 Vaisala Anemometer WAA151, General
Property Description/Value
Operating power supply
U
in
= 9.5 ... 15.5 VDC, 20 mA typical
Heating power supply AC or DC 20 V, 500 mA nominal
Output 0 ... 750 Hz square wave
Transducer output level
with I
out
<+5 mA High state > U
in
-1.5 V
with I
out
>–5 mA Low state < 2.0 V
Settling time after power
turn-on < 30 µs
Plug 6-PIN MIL-C-26482 type
Cabling 6-wire cable through cross arm
Recommended connector at
cable end SOURIAU MS3116F10-6P
Operating temperature with
heating -50 ... +55 °C (-58 ... +131 °F)
Storage temperature -60 ... +70 °C (-76 ... +158 °F)
Material
Housing AlMgSi, gray anodized
Cups PA, reinforced with carbon fiber
Dimensions 240 (h) Ч 90 (Ш) mm
Swept radius of cup wheel 91 mm
Weight 570 g
Table 98 Vaisala Anemometer WAA151, Test Compliance
Property Description/Value
Wind tunnel tests
ASTM standard method D5096-90
Exploratory vibration test MIL-STD-167-1
Humidity test MIL-STD-810E, Method 507.3
Salt fog test MIL-STD-810E, Method 509.3
Complies with EMC standard EN61326-1:1997 + Am1:1998 + Am2:2001;
Generic Environment