Hazardous Area Oxymitter 4000

Instruction Manual

IB-106-340C Rev. 4.1 July 2004

6-8 OXYMITTER 4000 TEST POINTS

b. TP3 and TP4 monitor the heater thermo-

Refer to Figure 6-6. System test points are

couple.

c. TP5 and TP6 monitor the process gas or

located on the board below the LOI module.

the calibration gas parameter.

Test points 1 through 6 allow you to monitor

 

with a multimeter: the heater thermocouple,

 

the O2 cell millivolt, and the process O2.

6-9 MODEL 751 REMOTE POWERED LOOP

 

a. TP1 and TP2 monitor the oxygen cell

LCD DISPLAY (OPTIONAL)

millivolt output which equates to the

Refer to Remote Powered Loop LCD manual

percentage of oxygen present.

 

for calibration and operation.

TP1 TP2 TP3 TP4

J1

6 RED YEL GRN ORG

TP5

TP6

37260037

Figure 6-6. Test Points

Rosemount Analytical Inc. A Division of Emerson Process Management

Startup and Operation with LOI 6-7

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Emerson Process Management OXYMITTER 4000 Oxymitter 4000 Test Points, Model 751 Remote Powered Loop, LCD Display Optional