Bộ hiển thị đo khí Sensor Electronics SEC 3120
The SEC 3120 provides dual interface capabilities for any and all SEC gas detectors.
The SEC 3120 features:
• Dual sensor interfacing to enable like-sensor redundancy or control or dissimilar sensor types
• Back lighted LCD for Gas Level/Unit Parameter display
• Four (4) Alarm/Fault Relays configurable for alarm set points, latching and multi-sensor relay logic
• An isolated RS485 Modbus interface provides reliable communication in noisy environments and
eliminates “Ground Loop” problems
• Three magnetic switches for local configuration and calibration without compromising explosion
proof protections
• Time stamped data logging using a removable non-volatile memory module. Module can be
removed from the unit to allow remote data downloading and data archiving.
An optional IS barrier allows “hot” sensor replacement in rated locations. This allows the user to install
pre-calibrated/pre-configured sensor boards without removing unit power while maintaining EX rating.
Removable circuit board stack and detachable connectors facilitate field-wiring installation