Air quality measuring devicesVISIC100SF, VISIC100SF-1200Brief description: Visibility sensor for measuring K-values in tunnelsBrief description: With internal heater for correction on fogMeasured values: Visibility (K-value), CO, NO, NO2Communication interface: ModbusCommunication Interface detail: RTU RS-485Analog outputs: 3 outputs:4 ... 20 mA, 500 ΩElectrically isolated; short-circuit proofDigital outputs: 2 relay contacts:48 V, 0.5 mA, 24 WPreset for failure and maintenance request
Air quality measuring devices
VISIC100SF, VISIC100SF-1200
Brief description: Visibility sensor for measuring K-values in tunnels
Brief description: With internal heater for correction on fog
Measured values: Visibility (K-value), CO, NO, NO2
Communication interface: Modbus
Communication Interface detail: RTU RS-485
Analog outputs: 3 outputs:4 ... 20 mA, 500 ΩElectrically isolated; short-circuit proof
Digital outputs: 2 relay contacts:48 V, 0.5 mA, 24 WPreset for failure and maintenance request
| Description | Visibility sensor for measuring K-values in tunnels with internal heater for correction on fog | ||||||||||||||||||
| Measured values | Visibility (K-value), CO, NO, NO2 | ||||||||||||||||||
| Measurement principles | Scattered light forward, electrochemical cell | ||||||||||||||||||
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| Response time (t90) | ≤ 60 s | ||||||||||||||||||
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| Conformities | ASTRA "Guideline - Ventilation of Road Tunnels" (2008) RABT 2006 RVS 09.02.22 | ||||||||||||||||||
| Electrical safety | CE | ||||||||||||||||||
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| Analog outputs | 3 outputs: 4 ... 20 mA, 500 Ω Electrically isolated; short-circuit proof | ||||||||||||||||||
| Digital outputs | 2 relay contacts: 48 V, 0.5 mA, 24 W Preset for failure and maintenance request | ||||||||||||||||||
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| Input | Functional keys | ||||||||||||||||||
| Operation | Via LC-display and function keys | ||||||||||||||||||
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| Material | Stainless steel 1.4571 | ||||||||||||||||||
| Mounting | Wall-mounting, vertical, up to a wall inclination of 45° | ||||||||||||||||||
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| Test functions | Contamination monitoring of glass pane Drift and plausibility check Automatic self-test Functional monitoring of the optional heating | ||||||||||||||||||
| Options | CO sensor NO sensor NO2 sensor TAD control unit Connection unit Internal heating | ||||||||||||||||||
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