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北京愛歐德儀器設(shè)備有限公司
主營產(chǎn)品： 教學(xué)試驗(yàn)儀器，工程儀器設(shè)備，化工儀器設(shè)備 |
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隧道風(fēng)速風(fēng)向監(jiān)測儀 空氣流動方向監(jiān)控儀 流速測量儀
流速測量儀型號:AODH-FLOWSIC 200
通過隧道全截面平均值的測量來監(jiān)控隧道內(nèi)風(fēng)速風(fēng)向或廢氣排風(fēng)管道。由于氣候狀況的變化，對空氣流動方向和流速的測量是隧道有效管理*的---可以確定*通風(fēng)控制和zui大程度降低運(yùn)營成本。
技術(shù)指標(biāo)
測量參數(shù)
是/否超高
測量量程
100m
測量原理
雙探頭光電開關(guān)
防護(hù)等級
IP 65
測量值輸出 模擬輸出0 / 2 / 4 ... 20 mA
接口 RS 232 / 422 / 485
狀態(tài)/控制信號 繼電器輸出（運(yùn)行/故障，報(bào)警，維護(hù)）
設(shè)備構(gòu)成 超聲波探頭對，計(jì)算單元
備注
由于氣候狀況的變化，對空氣流動方向和流速的測量是隧道有效管理*的---可以確定*通風(fēng)控制和zui大程度降低運(yùn)營成本。
Advanced Ultrasonic
Technology
• High-accuracy measurement at
each point across the tunnel
• High precision of air flow even
at very low velocity rates
• Additional recording of wind
directions
• Stand-alone measuring system
without any moving parts
• Simple Installation and
easy to use controls
Technical Data FLOWSIC 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 Unit Measuring value processing/output, monitor function;
cable length to TR unit: 500 m max. (with optional data
repeater 1000 m max.); larger distances on request
Measurement Data
Measur. component Velocity of air flows
Measuring Principle Measurement of difference in ultrasonic transit time
Measuring range –20 m/s (65 ft/sec) ... + 20 m/s (65 ft/sec); cont. variable
Accuracy ± 0.1 m/s (0.3 ft/sec); depending on calibration, installation,
flow profile and measuring distance
Measuring distance 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
Ambient temperature –20…+50 °C (–4 … 120 °F)
Device Data
Maintenance intervals ½… 1 year: FLSE 200-M
1 … 5 years: FLSE 200-H depend. on application cond.
Point of Installation
• Height above road
• Angle to tunnel axis
4.2 m (14 ft) typical
45° … 60°
Displays
• Measuring values
• Status
LC-Display with 2 rows
LEDs (operation, faults, maintenance, cycles)
Power supply 90 … 140/190 … 260 V AC; 50/60 Hz;
power consumption: approx. 20 W max.
Dimensions
(L x W x D)
FLSE 200-M: 80 x 80 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 x 200 x 120 mm3 (787 x 565 x 394 ft3)
Weight FLSE 200-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 class IP 65/NEMA 4X
Connection/Interface via evaluation unit (customer-provided)
Signals 1 analog output: 0…20 mA, 750 Ω max. load
optional: max. 2 additional analog modules (inputs/outputs)
4 relays: 48 V AC, 1 A; electrically isolated
Interface RS 232 for service purposes;
optional: PROFIBUS, RS 422 for data transfer
