Emerson Rosemount Oxymitter 4000, Reference Manual, Page: 157 / 198

Cal constants - Results
of the calibration
Current Calibration If the calibration passed, the transmitter updates these values.
Log these levels into the calibration record (
Calibration
record ). if the process has high levels of particulate, the
transmitter removes the response back to the process after
cal gas.
Previous Calibration Values from the prior good calibration.
Failed Calibration The transmitter does not load bad calibration values into the
electronics.
Cal constants status
Calibration Step The current step in an active calibration procedure.
Calibration Time Time until the next scheduled calibration.
Next O2 Cal Time until the next O
2
calibration, if different than the next
scheduled calibration.
9.3 Repair
Each of the following procedures details how to remove and replace a specific component
of the transmitter.
WARNING
The transmitter is hot and may cause severe burns.
Remove the transmitter from the stack for all service activities. Allow the transmitter to
cool and take it to a clean work area.
WARNING
Electrical shock
Disconnect and lock out power before working on any electrical components. There is
voltage up to 115 Vac.
9.3.1 Remove probe
Refer to Figure 2-14 if you are using integral electronics or Figure 2-18 if you are using
remote electronics. The numbers indicated in the steps below correspond to the numbers
of the items in those figures.
Procedure
1. Turn off power to the system.
2. Shut off the calibration gases at the cylinders and instrument air.
Reference Manual Maintenance and service
00809-0100-4340 October 2019
Rosemount Oxymitter 4000 157