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Tunnel Ultrasonic Wind Sensor
Publish User:admin Publish Date:2010-01-13 16:17:57
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Product Intro

HY-WDS21E Tunnel Ultrasonic Wind Sensor

HY-WDS21E ultrasonic wind speed and direction sensor is specially designed for the tunnel application, it’s installed on the tunnel wall and providing real-time tunnel wind data to total control room, as a basic basis for ventilation and operation. At the same time, the analog and digital signals output from sensor can be connected to the PLC in the nearby sub-control room and then to the general control room through optical fiber.



Main Features

1. Cast aluminum body, anodized surface for harsh environments in the tunnel

2. Ultrasonic measurement free from influence of ambient temperature

3. Non-contact detection,no moving parts, reduce the failure rate


Technical Parameters

Principle

Ultrasonic time-difference technology

Installation

Wall of tunnel on opposite-side

Range

Wind speed -30m/s~30m/s

Average Time

0.1 s60 min adjustable

Accuracy

Wind speed ±0.1m/s

Average Time

0.1 s

Relay output

2 ways dry-contact relay output

Digital interface

RS232RS485

Analog output

4-20 mA output(load < 500Ω)

Protocol

ModBus

Power supply

220VAC±10%50Hz/60Hz

Protection Grade

IP66




产品应用图片:



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