Location:
Where will you be installing your Sentry?
Standard atmospheric conditionsMost outdoor applications use the standard SVS1 Sentry with 30m..16Km visibility range.
Tunnel or underground environmentSpecialized application for use in road & rail tunnels; SVS1-T Sentry with 15 to 0.03km-1 EXCO range.
Potentially explosive atmosphere (ATEX Zone 1)Specialized application for use on offshore oil/gas drilling platforms or chemical plants with explosive atmospheres; SVSEEx Sentry with 15m..8Km visibility range.