Rosemount 6888XI Oxygen Analyzer Electronic Unit

Feature & Principle

It matches zirconia oxygen probe, collects millivolt signal from the sensing cell and thermocouple signal for probe heater temperature control. It converts oxygen signal into standard 4-20mA output, supports HART digital communication, built-in sensor diagnosis and automatic calibration, optimizes combustion efficiency and reduces NOx emission for boilers and heating furnaces.

Specifications

Model: 6888XI Brand: Rosemount (Emerson) Power supply: 100~240VAC, 50/60Hz Signal output: 4-20mA, HART compatible Measurement principle: Zirconium oxide Working ambient: -20℃ ~ +55℃ Mounting: Wall / 2 inch pipe mounting Certification: CE, FM, CSA

Components & Diagnostics

Main control circuit board, backlit LCD display, keypad, signal isolation circuit, status alarm indicator. Common faults: heater control failure, signal drift, HART communication interruption, calibration failure, display no backlight.

Product Brief

6888XI oxygen analyzer electronics, Rosemount analytical instrument spare widely used for power plant, petrochemical and heating boiler flue gas oxygen online monitoring.