de Glossar

New SIGRIST Agency for Tunnel Applications in Slovenia and Croatia


JES Elektrotechnik GmbH, Hallein, Austria is since decades the successful SIGRIST sales & service partner in the Austrian tunnel market.
The company JES is known as a system provider which also takes care about commissioning and maintenance of the supplied systems. Thanks to the long-term experience JES guarantees a smooth and timely project handling as well as a reliable and safe operation.
JES stands for high quality in service and long-living, robust and precise measuring system with low maintenance requirements.

Since February 1st 2014 JES will also take care of our customers in the Slovenian and Croatian tunnel market.

We wish JES continuing success!

http://www.jes-et.at/en/willkommen/

FireGuard
The FireGuard measures the scattered light intensity in tunnels with scattering angle, measuring range, response threshold and signal processing being optimized for smoke and fire detection. Air sample is fed through the measuring cell without the use of a fan, effectively preventing from window soiling. Calibration is performed in E/m and can be checked easily with a calibration rod.
VisGuard Extractive
The VisGuard measures the scattered light intensity of a sample drawn into the instrument. Filtered purge air is fed through the flow cell, thus enveloping the sample in a protective shroud of clean air. This effectively keeps the optics clean. Installations are either in the tunnel cavity/niches (in-situ) respectively using extractive sampling away from the cavity. An optional sample heater eliminates the influence of any mist effects.
VisGuard Extractive
The VisGuard measures the scattered light intensity of a sample drawn into the instrument. Filtered purge air is fed through the flow cell, thus enveloping the sample in a protective shroud of clean air. This effectively keeps the optics clean. Installations are either in the tunnel cavity/niches (in-situ) respectively using extractive sampling away from the cavity. An optional sample heater eliminates the influence of any mist effects.
VisGuard In-situ
The VisGuard measures the scattered light intensity of a sample drawn into the instrument. Filtered purge air is fed through the flow cell, thus enveloping the sample in a protective shroud of clean air. This effectively keeps the optics clean. Installations are either in the tunnel cavity/niches (in-situ) respectively using extractive sampling away from the cavity. An optional sample heater eliminates the influence of any mist effects.
VisGuard In-situ
The VisGuard measures the scattered light intensity of a sample drawn into the instrument. Filtered purge air is fed through the flow cell, thus enveloping the sample in a protective shroud of clean air. This effectively keeps the optics clean. Installations are either in the tunnel cavity/niches (in-situ) respectively using extractive sampling away from the cavity. An optional sample heater eliminates the influence of any mist effects.

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