VISIC100SF: Modernizes measurement performance for tunnel air quality
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Catalog excerpts

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PERFORMANCE FOR TUNNEL AIR QUALITY Rugged, versatile, unique: the new tunnel sensor from SICK Sensor Intelligence.

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VISIC100SF Modernizes measurement performance for tunnel air quality A red light at the tunnel entrance − poor air quality ahead: tunnel operators know this has to be avoided at all costs. For this reason, continuous monitoring of visibility in road tunnels is mandatory. While the market offers many measuring devices that can perform this task, the VISIC100SF from SICK is truly in a league of its own.

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Flexible and unremittingly solution-oriented measuring equipment From visibility measurements to CO or NO monitoring − everything can be individually tailored to your exact measuring needs; all thanks to the VISIC100SF. The new tunnel sensor from SICK scores high with its unprecedented combination of scattered light and electrochemical cells. This means that a single compact device can be used to measure visibility and, following a simple retrofit, even exhaust gases; too. SOLUTION-ORIENTED Measurement

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VISIC100SF Modernizes measurement performance for tunnel air quality One sensor for many requirements Measuring devices should work without any faults and with long maintenance intervals and at the same time be user-friendly and cost-effective. To meet these demands the VISIC100SF has been designed to be exemplary in every respect. Measures visibility

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Rugged, versatile, unique Critical to the rugged and lasting measurement performance of the VISIC100SF is the extremely accurate scattered-light principle used to measure visibility − pure optical technology ingeniously bundled into a tiny “black box”. Completely calibrated before it leaves the factory, the VISIC100SF automatically reduces the work needed in the tunnel; the sensor has a small footprint and is installed without any additional brackets or configuration work − a straightforward case of “plug&measure”. No moving parts, no faults due to mechanical wear. Continuous pollution...

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VISIC100SF Modernizes measurement performance for tunnel air quality Perfectly combined, never outdated Scattered-light and gas measuring: two measurement principles, one measuring device. That’s unique − that’s the VISIC100SF tunnel sensor. It is easy to retrofit, should the tunnel requirements be extended beyond pure visibility measurements. The electrochemi- High reliability cal cells from SICK for measuring CO and NO are conveniently housed within the measuring device. They have been installed in a way that affords a higher degree of protection, as well as allowing the device to cope...

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State of the art Keeping up with the times also means taking costs into consideration. The VISIC100SF is a technological innovation requiring little maintenance and extremely low operating costs. Its benefits don’t end there: for example, the VISIC100SF does not need to have any protective measures to be taken when the tunnel is cleaned. In addition, the measuring device is approved according to the latest EN 50545 standard.

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VISIC100SF Modernizes measurement performance for tunnel air quality Using scattered-light TO MEASURE VISIBILITY From the visual range outside the tunnel, visibility inside the tunnel (K value) or simple smoke detection: regardless of the application, the scatteredlight measurement principle is the ideal solution. The transmission measurement principle had previously been the preferred choice because scattered-light measuring devices used to be more expensive and a less mature technology. The situation today is completely different. Measurements based on the scattered-light principle are...

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applications. Its advantages over the transmission measurement principle are much sought-after: namely accurate measuring technology enclosed in a compact housing − completely irrespective of whether it is being used for in- situ or extractive measurements. Transmission measurements are affected by flies or spiders, which can distort the measurement signal. Furthermore, the effects of fog are not so easy to correct. With scattered-light measurements on Transmission measurement principle the other hand, the air from the tunnel is heated by the small, defined volume of scattered-light and the...

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VISIC100SF Modernizes measurement performance for tunnel air quality Using electrochemical cells TO MEASURE CO AND NO CO concentrations over the past few years have been on a clear downward trend. This is due to the considerably high number of vehicles on today’s roads fitted with catalytic converters. As a result, the first alarm stage in tunnels is barely even reached anymore. However, CO monitoring continues to be a legal requirement in the majority of countries and something which tunnel operators do not want to dispense with. Some countries also stipulate that NO levels be monitored,...

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The electrochemical cell is absolutely ideal for this purpose, offering mea- quirements coupled with a long service life, low maintenance and an extremely attractive price.

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Would you like to learn more? Please contact us on: SICK AG | Waldkirch | Germany | www.sick.com

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