隧道风速风向监测仪

通过隧道全截面平均值的精确测量来监控隧道内风速风向或废气排风管道。由于气候状况的变化，对空气流动方向和流速的精确测量是隧道有效管理*的---可以确定*通风控制和zui大程度降低运营成本。

　 技术指标

　 测量参数

是/否超高

　 测量量程

100m

　 测量原理

双探头光电开关

　 防护等级

IP 65

　 测量值输出 模拟输出0 / 2 / 4 ... 20 mA

　 接口 RS 232 / 422 / 485

　 状态/控制信号 继电器输出（运行/故障，报警，维护）

　 设备构成 超声波探头对，计算单元

　 备注

由于气候状况的变化，对空气流动方向和流速的精确测量是隧道有效管理*的---可以确定*通风控制和zui大程度降低运营成本。

AdvancedUltrasonic

Technology

• High-accuracymeasurement at

each pointacross the tunnel

• High precisionof air flow even

at very lowvelocity rates

• Additionalrecording of wind

directions

• Stand-alonemeasuring system

without anymoving parts

• SimpleInstallation and

easy to usecontrols

Technical DataFLOWSIC 200

Type of models:

Transceiver unit

• FLSE 200-M,Aluminium cast housing (alumin. transducer)

• FLSE 200-M SS,Stainl. Steel housing (alumin. transducer)

• FLSE 200-H,Stainless Steel housing (titanium transducer)

Evaluation UnitMeasuring value processing/output, monitor function;

cable length toTR unit: 500 m max. (with optional data

repeater 1000 mmax.); larger distances on request

Measurement Data

Measur.component Velocity of air flows

MeasuringPrinciple Measurement of difference in ultrasonic transit time

Measuring range–20 m/s (65 ft/sec) ... + 20 m/s (65 ft/sec); cont. variable

Accuracy ± 0.1m/s (0.3 ft/sec); depending on calibration, installation,

flow profile andmeasuring distance

Measuringdistance 5 … 25 m (16 … 82 ft) with FLSE 200-M and -M SS

5 … 40 m (16 …130 ft) with FLSE-H; larger on request

Response time 1… 300 s (sec); freely selectable

Ambient Conditions

Ambienttemperature –20…+50 °C (–4 … 120 °F)

Device Data

Maintenanceintervals ½… 1 year: FLSE 200-M

1 … 5 years:FLSE 200-H depend. on application cond.

Point ofInstallation

• Height aboveroad

• Angle totunnel axis

4.2 m (14 ft)typical

45° … 60°

Displays

• Measuringvalues

• Status

LC-Display with2 rows

LEDs (operation,faults, maintenance, cycles)

Power supply 90… 140/190 … 260 V AC; 50/60 Hz;

powerconsumption: approx. 20 W max.

Dimensions

(L x W x D)

FLSE 200-M: 80 x80 x 120 mm3 (260 x 260 x 393 ft3)

FLSE 200-M SS/H:80 x 150 x 150 mm3 (260 x 492 x 492 ft3)

FLA 200: 240 x200 x 120 mm3 (787 x 565 x 394 ft3)

Weight FLSE200-M: approx. 1 kg (2.2 lb)

FLSE 200-M SS/H:approx. 2 kg (4.4 lb)

FLA 200: approx.1.5 kg (3.3 lb)

Protection classIP 65/NEMA 4X

Connection/Interfacevia evaluation unit (customer-provided)

Signals 1 analogoutput: 0…20 mA, 750 Ω max. load

optional: max. 2additional analog modules (inputs/outputs)

4 relays: 48 VAC, 1 A; electrically isolated

Interface RS 232for service purposes;

optional:PROFIBUS, RS 422 for data transfer