Oxymitter 4000

Instruction Manual

IM-106-340, Rev. 4.0 May 2006

OXYMITTER 4000 TEST POINTS

REMOTE POWERED LOOP LCD DISPLAY (OPTIONAL)

Figure 6-6. 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 O2 cell millivolt, and the process O2.

TP1 and TP2 monitor the oxygen cell millivolt output which equates to the percentage of oxygen present.

TP3 and TP4 monitor the heater thermocouple.

TP5 and TP6 monitor the process gas or the calibration gas parameter.

Refer to Remote Powered Loop LCD manual for calibration and operation.

TP1 TP2 TP3 TP4

TP5 TP6

J1 RED YEL GRN ORG

37260037

6-10

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Emerson Process Management IM-106-340 instruction manual TP1 TP2 TP3 TP4 TP5 TP6