Emerson Process Management 381 Manuale Utente
MODEL 381 pH/ORP
TABLE OF CONTENTS
MODEL 381 pH/ORP SENSOR
TABLE OF CONTENTS
Section
Title
Page
1.0
DESCRIPTION AND SPECIFICATIONS...........................................................
1
1.1
Features and Applications.................................................................................
1
1.2
Sensor Specifications........................................................................................
2
1.3
Ordering Information .........................................................................................
3
2.0
INSTALLATION .................................................................................................
5
2.1
Installation .........................................................................................................
5
2.2
Submersion Installation (Code 02) ....................................................................
5
2.3
Insertion Installation (Code 00) .........................................................................
7
2.4
Flow Through Installation (Code 03) .................................................................
7
2.5
Flow Powered Cleaner Installation (Code 04)...................................................
7
2.6
Wiring ................................................................................................................
7
2.7
Start-Up and Calibration ....................................................................................
14
2.8
Model 381 pH and pHE.....................................................................................
14
2.9
Model 381 ORP.................................................................................................
14
3.0
MAINTENANCE ................................................................................................
15
3.1
General .............................................................................................................
15
3.2
Periodic Maintenance........................................................................................
15
3.3
Troubleshooting.................................................................................................
16
3.4
Preamplifier Troubleshooting ............................................................................
18
3.5
T.C. Element Maintenance ................................................................................
18
4.0
ULTRASONIC CLEANER .................................................................................
21
4.1
Ultrasonic Cleaner.............................................................................................
21
4.2
Specifications ....................................................................................................
21
4.3
Installation .........................................................................................................
21
4.4
Operation ..........................................................................................................
22
4.5
Maintenance......................................................................................................
22
4.6
Replacement Parts............................................................................................
22
5.0
RETURN OF MATERIAL...................................................................................
25
LIST OF TABLES
Table No.
Title
Page
2-1
ORP of Saturated Quinhydrone Solutions (in Millivolts)....................................
14
3-1
Troubleshooting.................................................................................................
17
3-2
Temperature vs. Resistance of Auto TC Element..............................................
18
3-3
Ro & R1 Values for Temperature Compensation Elements ..............................
18
3-4
Model 381 Spare Parts......................................................................................
19
3-5
Accessories .......................................................................................................
19
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