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Wind sensors

PESSL INSTRUMENTS ULTRASONIC WIND SENSOR

ultrasonic-wind-sensor
Order number: 600023 / 900028 (µMETOS), 600064 / 900047 (IMT)

Pessl Instruments ultrasonic wind speed sensor is a two-dimensional sonic wind sensor, built specifically for agricultural, forestry, and environmental research applications. It calculates average and maximum (gust) wind speed and direction over 5 minutes interval.
FEATURE VALUE
Output data format
PI-bus
Information transmitted
Vectorial average wind speed, gust and direction
Output rate
1-10 min
Wind module sensitivity
0.12 m/s
Wind module resolution
0.05 m/s
Wind module dynamic
0.5 to 40 m/s
Direction sensitivity
+/-1.5°
Direction resolution
1°
Power supply
3.7V to 6V with supercap
Electrical consumption
0.5 mA Avg. 12 V
Operating temperature without icing
-15° C to +55° C
Cable
2.5 m / LIYCY
Connection
4 wires
Weight of the head
N/A
Weight of unit assembly
200 g with mounting part
Mounting
Pessl Instruments clamp

PESSL INSTRUMENTS WIND SPEED

wind_speed

Order number: 600034 / 900040

IM512CD is a cup type anemometer for low cost and long term, accurate wind measurements for all kinds of use. It calculates average wind speed in the specific time period.

FEATURE VALUE
Range
0 to 50 m/s, gust survival 60m/s
Sensor
12 cm diameter cup wheel assembly, 40 mm diameter hemispherical cups
Turning Factor
75 cm
Distance Constant (63% recovery)
2.3 m
Threshold
1.1 m/s
Transducer
Stationary Coil
Transducer Output
AC sine wave signal induced by rotating magnet on cup wheel shaft.
100 mVpp at 60 rpm. 6 Vpp at 3600 rpm
Output Frequency
1 cycle per cup wheel revolution. 0.75 m/s per Hz

RM Young Wind Monitor

rm young_wind_monitor

Order number: 600129 / 900064

The wind monitor combines wind speed and wind direction. It is constructed of a four-blade helicoid propeller for highly accurate wind speed measurement with integrated wind direction sensor. It measures peak values.

FEATURE VALUE
Wind Speed – Range
0-100 m/s (224 mph), 0- 360°
Accuracy
Wind Speed: ±0.3 m/s (0.6 mph) or 1% of reading
Wind Direction: ±3 degrees
Operating temperature range
-50 to 50 °C
Threshold
Propeller: 1.0 m/s (2.2 mph)
Vane: 1.1 m/s (2.4 mph)
Signal output
Wind speed: magnetically induced AC voltage, 3 pulses per revolution.
1800 rpm (90 Hz) = 8.8 m/s (19.7 mph)
Wind direction: DC voltage from conductive plastic potentiometer − resistance 10K Ω, linearity 0.25%, life expectancy − 50 million revolutions
Power Requirement
Potentiometer excitation: 15 VDC maximum
Weight
1.0 kg
Dimensions
37 cm (14.6 in) H x 55 cm (21.7 in) L,
Propeller: 18 cm (7 in) dia.
Mounting: 34 mm (1.34 in) dia. (standard 1 inch pipe)
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