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Instruction Manual
IB-106-340 Rev. 2.4
April, 2001
Rosemount Analytical Inc. A Division of Emerson Process Management Description and Specifications 1-9
Oxymitter 4000
c. Operation
The SPS 4000 works in conjunction with the
Oxymitter 4000’s CALIBRATION RECOM-
MENDED feature to perform an autocalibra-
tion. This feature automatically performs a
gasless calibration check every hour on the
Oxymitter 4000. If a calibration is recom-
mended and its contact output signal is set
for “handshaking” with the sequencer, the
Oxymitter 4000 sends a signal to the se-
quencer. The sequencer automatically per-
forms a calibration upon receiving the
signal. Thus, no human interface is required
for the automatic calibration to take place.
1-5 MODEL 751 REMOTE POWERED LOOP
LCD DISPLAY
The display provides a simple, economical
means to obtain accurate, reliable, and remote
indication of important process variables. This
display operates on the 4-20 mA line from the
Oxymitter 4000 (Figure 1-6).
Refer to Model 751 remote powered loop LCD
manual for calibration and wiring.
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Figure 1-6. Model 751 Remote Powered Loop
LCD Display
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