Vaisala WAC151, Техническое описание, Страница: 8 / 9

Cross Arm WAC151
WAC151-T648en-1.1 Technical Reference
1996-09-25 3
3. TECHNICAL DATA
Type & Function
Cross Arm for Vaisala wind sensors.
Mechanical
Dimensions Junction Box 125 x 80 x 57 mm
3
Cross Arm length 800 mm
Mounting To a pole mast with a nominal outside
diameter 60 mm. The cross-arm supports the
WAA151, WAA251 and WAV151 sensors.
Material Cross Arm Al, anodized
Junction Box Al, painted
Weight 1.5 kg (without sensors)
Electrical connections
Cable entries Line cable entry through a gland (for cable
diam. 7...10mm) with coaxial connectability
of the cable screen, for proper RF shielding.
Sensor cables enter through two rubber
glands.
I/O connectors Screw terminal connectors (15 pcs) for the
sensors and power lines.
Thermostat switch connects at + 4°C (+3°C)
disconnects at +11°C (+3°C)