Fast and reliable detection of smoke in tunnels delivers information which helps to save human lives and avoid material damage. The SMOTEC450 detects smoke particles in tunnels within seconds and alerts the control system immediately - long before visibility is reduced too much by dense smoke. False alarms caused by fog are avoided by heating up the drawn air.
Double safe, because the device monitors itself. The automatic check cycle of the SMOTEC450 checks all important components of the system each day without tunnel closure and personnel costs.
At a glance
| Very fast and accurate scattered light measurement |
| Automatic control functionalities |
| Contamination check |
| Heated chamber for evaporization of fog droplets |
| Rugged enclosure made of stainless steel |
Your benefits
| Early and reliable warning for optimum efficiency during self-rescue phase |
Fields of application
| Smoke detection in tunnels |
| Technical data | |||
| Measurement principles: | Scattered light forward | ||
| Max. number of measurands: | 1 | ||
| Measured values: | Visibility (K-value) | ||
| Measuring ranges: | K-value: 0 ... 150 /km / 0 ... 2,000 /km | ||
| Comment: | Limit value for smoke detection: 15/km | ||
| Gas flow rate: | 30 ... 35 l/h | ||
| Ambient temperature: | -30 ... +55 °C | ||
| Electrical safety: | CE | ||
| Enclosure rating: | IP 66 | ||
| Analog outputs: | 1 output: 0/2/4 ... 20 mA, 750 Ω additional outputs if using I/O modules |
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| Analog inputs: | 2 inputs: 0 ... 20 mA , 0 ... 10 V additional inputs if using I/O modules |
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| Digital outputs: | 5 relay contacts: 48 V, 1 A additional outputs if using I/O modules |
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| Digital inputs: | 4 inputs additional inputs if using I/O modules |
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| Interfaces: | RS-232 (service interface) additional interfaces on request RS-485 Interface module (option) USB (service interface) |
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| Bus protocol: | PROFIBUS DP (option) additional buses on request |
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| Operation: | Via LC-display or software SOPAS ET | ||
| System components: | Measuring unit MCU control unit |
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| Test functions: | Automatic self-test Manual linearity check with reference filter Contamination limits: at 30% warning, at 50% failure |
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