Gas flow analyzer in Flowsic 200 tunnels - SICK

The FLOWSIC200 from SICK is used for the contact-free and accurate measurement of flow velocity and flow direction inside tunnels or exhaust ventilation ducts.

Ultrasonic technology provides the cross-sectional mean average value of the flow velocity. This device is used for measurement necessary for optimal ventilation control and reducing running costs to a minimum when air flow is dictated by climatic conditions or by traffic.

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In case of fires in tunnels the accurate, reliable and representative measurement of air velocity and direction across the tunnel is mandatory. This is the only way to check reliably the smoke propagation and to achieve the necessary information for optimal control of the ventilation system.

Technical data

Measuring principle: ultrasonic propagation time delay measurement

Number of measuring components: 1

Measuring ranges: flow velocity: -65.6 ... 65.6 ft/s (-20 m/s ... 20 m/s)

Remark: continuously adjustable

Measuring paths: 16.4 ... 131.2 ft (5 ... 40 m), depending on device type, larger measuring paths on request

Ambient temperature: -40 ... 140 °F (-40 ... 60 °C)

Ambient humidity: 0 ... 100 %, relative humidity

Conformities: ASTRA "Guideline - Ventilation of Road Tunnels" (2004, V1.2), RABT 2006, RSV 09.02.22

Electrical safety: CE

Enclosure rating: sender/receiver units: IP 66 control unit MCU: IP 65

Analog outputs: 1 output: 0/2/4 ... 22 mA, 750 Ω, extendible by additional I/O modules

Analog inputs: 2 inputs: 0 ... 20 mA , 0 ... 10 V, extendible by additional I/O modules

Digital outputs: 5 outputs: 120 V AC, 1 A 30 V DC, 2 A, floating, for status signals, extendible by additional I/O modules

Digital inputs: 4 inputs: For connection of floating contacts, extendible by additional I/O modules Interfaces: RS-232, RS-485 (option), USB (Service interface)

Bus protocol: ethernet TCP/IP (option), PROFIBUS-DP (option), MODBUS (on request)

Operation: via LC-display or software SOPAS ET

Device types: aluminum cast housing, stainless steel housing

System components: connection box, sender/receiver units, control unit MCU

Test functions: internal zero and reference point check

Mounting: typical hight above lane: 13.8 ft (4.2 m), 45° ... 60° to tunnel axis

Note: the scope of delivery depends on application and customer specifications

Features