Description
The Rosemount Xi advanced electronics is for zirconium oxide oxygen probes. The zirconium oxide sensing technology for measuring the excess oxygen in combustion flue gases has gained prominence over the past several decades. This versatile electronics is specifically designed to run most O2 probes manufactured. The large backlit LCD display makes it easy to set up and operate. Fully automatic calibrations may be executed from this electronics with the addition of a small solenoid box for switching calibration gases. The Xi advanced electronics are designed to communicate with oxygen transmitters via a 7-wire cable with a 120V heater or the legacy 44V DR (direct replacement) probe.
Plant personnel often ask how frequently an oxygen analyzer requires calibration. The answer is very application-dependent based upon the fuels being burned, normal levels of oxygen and the sulfur content in the flue gases. The Xi addresses this concern by providing an on-line diagnostic that determines when a calibration should be conducted, eliminating many unneeded calibrations and the technician and gas resources they consume. The Xi electronics has an on-line impedance measurement for the sensing cell.
Features
Large backlit display and keypad
NEMA 4X enclosure
HART communications standard (AMS aware)
Wireless – via THUM™ Adaptor
Calibration recommended diagnostic
Automatic calibration capability
Extended process temperature ranges
Simplified installation
Surface mount technology improves reliability/vibration resistance
Local Operator Interface (LOI)
Single or dual channel when used with transmitter probes
Single channel, only with traditional architecture
Flame safety relay
Plugged diffuser alarm
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