Emerson Rosemount Oxymitter 4000, Reference Manual, Page: 153 / 198

Depending on your system setup, you can intiate a semi-automatic calibration with one of
the following methods.
• Membrane keypad: Press the
CAL
key on the keypad.
• LOI: Select
Start Calib
from the CALIBRATION menu.
• Rosemount IMPS 4000: Use the keypad to change the InitCalX parameter of the
CHANGE PRESETS display mode from
0000
to
0001
.
• HART: Use the HART Communicator to access the O2 CALIBRATE menu and perform
the O
2
Cal method. Refer to Calibrate O
2
with HART
®
for the complete calibration
procedure.
• AMS: Refer to AMS documentation for more information.
• Remote contact: Initiate a calibration from a remote location via the remote contact
input connection provided by a Rosemount IMPS 4000 or SPS 4001B. Refer to the
documentation available for the control system in use for more information.
Once you have initiated a semi-automatic calibration by any of the above methods, the
transmitter's
CALIBRATION RECOMMENDED
alarm signals a Rosemount IMPS 400 or SPS
4001B to initiate a calibration. The sequencer sends an in cal signal to the control room so
that any automatic control loops can be placed in manual mode. Then the sequencer
begins to sequence the calibration gases.
Calibrate manually with membrane keypad
To calibrate manually, the operator must perform the calibration at the transmitter and
complete each step in the process.
The inside right cover of the transmitter displays manual calibration instructions in
condensed form.
Reference Manual Maintenance and service
00809-0100-4340 October 2019
Rosemount Oxymitter 4000 153