Sierra Monitor Corporation Gas and Flame Detection System Brochure page 4

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sentry
Sentry Gas Risk Management System
Sentry is a comprehensive, stand-alone gas monitoring
system that can also be easily integrated into PLC or DCS
systems. This feature-rich area safety monitoring system
can be configured to meet the user's specific needs. Even
the basic Sentry system provides the user with multiplexed
wiring for reduced installation costs; two-way digital
signal between the sensor and controller for one-person,
non-intrusive calibration; extensive diagnostics and user-
friendly menu-driven display and common alarms.
Building upon this comprehensive package the user can
construct a system that can include 4-20 mA input, individual
and zone relays, battery backup, interface to other non-
Sentry devices, WebBrowser output and interface to other
systems utilizing Modbus or most other common process
control and building automation networks.
User Configurable -to meet specific application needs
Reliability – FM performance approval, TUV safety approval, continuous
diagnostics and EMI/RFI filtering
Cost Effective - multiplexing wiring for lower installation costs and minimal
maintenance requirements
Versatile - options include battery backup , graphical user interface, 4-20 mA for interface
to foreign devices, analog output and multiple protocol digital output
User Simplicity - single person, auto-adjusting non-intrusive calibration, automatic
recognition of sensor types and browser based web interface