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Measurement methodTwo-component wind speed coordinate transformation method using time division transmission / reception switching type ultrasonic pulse propagation
Installation methodVertical installation
Measurement directionHorizontal component parallel to tunnel wall
Measurement range0 to ± 15m / s or 0 to ± 10m / s
Output
Wind speedDC12 ± 8mA
Averaging time10 seconds
Wind direction discriminationPolarity of wind speed value (+ or-)
Alarm outputNo-voltage make contact due to power interruption
Maintenance outputNo-voltage make contact by maintenance switch
Received abnormal outputNo-voltage make contact
DigitalRS-232C or RS-422
Power supplyAC100, 110, 200, 210, 220V ± 10% 50 / 60Hz
