The VISIC50SF smoke detector offers high-speed measurement to ensure fast and reliable smoke detection when tunnel fires occur. The VISIC50SF is very easy to mount, operate and maintain. Measurement starts immediately: No alignment or configuration is needed. An enclosure rating of IP 6K9K means the VISIC50SF can withstand not only harsh environmental conditions, but also washing procedures. During the design phase, particular importance was placed on ensuring reliable operation and long maintenance intervals. That is why there are no moving parts. To suppress for fog, there is an optional version available with heating. This allows the VISIC50SF to effortlessly meet your desired requirements, making it the perfect solution for the fast and reliable detection of fires.
At a glance
| Visibility (K value) measured according to the scattered light measurement principle |
| Highly reliable - no moving parts |
| Quick and safe smoke detection |
| Minimal error rate |
| IP 6K9K enclosure rating thanks to a rugged stainless steel housing |
| Fog evaporation via integrated heating element (optional) |
Your benefits
| Perfect addition to temperature cables due to increased detection speeds |
| High levels of reliability and operational safety |
| No protective measures required for tunnel washing |
| Delivers reliable performance even with portal fog |
| Flexible connection options, easy to extend and integrate into existing networks |
| Quick K value check with a testing tool |
| Low level of effort due to simple mounting and quick commissioning |
| Alarm signal with adjustable limit value |
Fields of application
| Cold smoke detection in road tunnels for early fire detection |
| Smoke detection in areas with corrosive environments |
| Technical data | |||
| Measurement principles: | Scattered light forward | ||
| Measured values: | Visibility (K-value) | ||
| Measuring ranges: | Visibility (K-value): 0 ... 150 /km | ||
| Ambient temperature: | -20 ... +55 °C | ||
| Ambient pressure: | 860 ... 1,080 hPa | ||
| Ambient humidity: | 10 ... 100 % relative humidity; non-condensing |
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| Conformities: | RABT 2006 ASTRA "Guideline - Fire Detection in Road Tunnels" (2007) |
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| Electrical safety: | CE | ||
| Enclosure rating: | Sensor unit, terminal box: IP 6K9K TAD tunnel adapter device: IP 66 |
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| Analog outputs: | 2 outputs: 4 ... 20 mA, 500 Ω electrically isolated; short-circuit proof. Outputs are preset for smoke detection and temperature. |
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| Digital outputs: | 3 relay contacts: 48 V DC, 0.5 A, 24 W |
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| Interfaces: | 2 x RS-485 | ||
| Bus protocol: | Modbus RTU PROFIBUS DP (option) |
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| Operation: | Via LC-display and function keys | ||
| Test functions: | Automatic self-test Drift and plausibility check Functional monitoring of the optional heating Contamination monitoring of glass pane |
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| Mounting: | Wall-mounting, vertical, up to a wall inclination of 45° | ||
| Options: | Internal heating, Temperature sensor, Terminal box, TAD tunnel adapter device | ||