Casella Wind Speed and Direction Sensing Head included Junction Box with Signal Convertor

Item #:

142007D

Brand:

Casella

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Description

Casella Wind Speed and Direction Sensing Head included Junction Box with Signal Convertor

Specifications

Anemometer Wind Speed Sensor
Transducer Type	Optical interrupter
Maximum Wind Speed	75 m/s
Starting Velocity	Typically 0.3 m/s
Distance Constant	3.5 m/s
Time Constant	Typically <0.5 s
Output Calibration	12.75 Hz/m/s
Resolution	7.84 cm
Output Signal	0 - 5 V pulses
Pulses/Revolution	20
Non-linearity	<±0.6%
Accuracy	±0.3 m/s below 3 m/s ±1% over 3 m/s
Supply Voltage	6 to 28 V DC
Power Consumption	3 mA
Stabilisation Time	<1 s from power up
Operating Temperature	-20 to +70°C
Heater Option	24 V DC / AC, 82 Ω, 7W
Connecting Cable	4.5 m without conduit 3.25 m with conduit
Conduit	2.55 m
Weathervane Wind Direction Sensor
Transducer Type	GMR solid state system with microcontroller
Maximum Wind Speed	75 m/s
Resolution	1°
Accuracy	<±2°
Aligning Threshold	<0.8 m/s for a 10° offset
Damping Ratio	0.25
Distance Constant	Typically 3.0 m
Undamped Natural Wavelength	2.2 m
Repeatability	0.5% FSD
Electrical Angle	0 to 359° no deadband at North
Nominal Output Signal	0 to 1.8 V DC for 0 to 359° representing a 1 s rolling average updated 5 times per second
NMEA Serial Output	5 times per second when anemometer is connected, 0 to 5 V level data containing both direction and speed information updated 4 times per second
Supply Voltage	6 to 28 V DC
Power Consumption	3 mA
Stabilisation Time	<1 s from power up
Operating Temperature	-20 to +70° C
Heater Option	24 V DC / AC, 82 Ω, 7W
Connecting Cable	4.5 m without conduit 3.25 m with conduit
Multimet Display
Power Supply	12 V DC
Power Consumption	Approximately 250 mA
Display	160 x 128 transflective graphics LCD with CCFL backlight
Display Units	mph, km/h, m/s, knots
Sensor Polling	Approx. 5 readings per second
Processed Data	Instantaneous value updated every second 2 and 10 minute rolling averages updated every 5 seconds 2 and 10 minute maximum and minimum values updated every 5 seconds 2 and 10 minute and 5 second direction variation sector
Datalogging Interval	1 to 120 minutes
Memory Capacity	4500 readings
Logged Data	Date, time, average maximum and minimum speed and direction over logging period
Alarms	Instantaneous or 2 minute wind speed Loss of sensor data
Dimensions	Panel mounting: 110 x 110 x 80 mm Desk top enclosure: 125 x 125 x 133 mm
Mains Power Supply	Input: 90-260 V AC at less than 40 Watts Output: 12 V DC 1.2 Amps