Oxymitter 4000 Test Points; Model 751 Remote Powered Loop Lcd Display (Optional); Figure 6-6. Test Points - Emerson Rosemount Analytical Oxymitter 4000 Instruction Manual

Hazardous Area Oxymitter 4000
6-8

OXYMITTER 4000 TEST POINTS

Refer to Figure 6-6. System test points are
located on the board below the LOI module.
Test points 1 through 6 allow you to monitor
with a multimeter: the heater thermocouple,
the O cell millivolt, and the process O
2
a. TP1 and TP2 monitor the oxygen cell
millivolt output which equates to the
percentage of oxygen present.
Rosemount Analytical Inc. A Division of Emerson Process Management
b. TP3 and TP4 monitor the heater thermo-
couple.
c. TP5 and TP6 monitor the process gas or
the calibration gas parameter.
.
2
6-9 MODEL 751 REMOTE POWERED LOOP
LCD DISPLAY (OPTIONAL)
Refer to Remote Powered Loop LCD manual
for calibration and operation.

Figure 6-6. Test Points

Instruction Manual
IB-106-340C Rev. 4.1
J1
TP1
TP2
TP3
TP4
TP5
TP6
37260037
Startup and Operation with LOI
July 2004
6
6-7