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

Datasheet

Features

Measures wind speed from "zero" m / sec

No moving parts, excellent environmental resistance

Accurate measurement of tunnel axial component

Excellent maintainability (operation check by monitor)

Compatible with old model (TA-100)