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Innovative optical sensors to meet today's

transportation safety challenges!

Model SVS1 Sentry™ Visibility Sensor for measurement of visibility in general applications with ambient atmospheric conditions

and

Model SVSEEx Sentry™ Visibility Sensor for specialized applications such as ATEX Zone 1 explosive atmospheres

Model DOVD1 Defender™ Over Height Vehicle Detector for detecting over height vehicles before they cause an accident & damage highway infrastructure