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Instruction Manual
748213-S
April 2002
Rosemount Analytical Inc. A Division of Emerson Process Management Contents i
Model 755R
TABLE OF CONTENTS
PREFACE...........................................................................................................................................P-1
Definitions...........................................................................................................................................P-1
Intended Use Statement.....................................................................................................................P-2
Safety Summary .................................................................................................................................P-2
General Precautions For Handling And Storing High Pressure Gas Cylinders .................................P-4
Documentation....................................................................................................................................P-5
Compliances.......................................................................................................................................P-5
1-0 DESCRIPTION AND SPECIFICATIONS..............................................................................1-1
1-1 Description.............................................................................................................................1-1
1-2 Recorder Output Ranges.......................................................................................................1-1
1-3 Mounting................................................................................................................................1-1
1-4 Isolated Current Output Option .............................................................................................1-1
1-5 Alarm Option..........................................................................................................................1-2
1-6 Electrical Options...................................................................................................................1-2
1-7 Remote Range Change Option .............................................................................................1-2
1-8 Specifications ........................................................................................................................1-3
a. Performance....................................................................................................................1-3
b. Sample............................................................................................................................1-3
c. Electrical..........................................................................................................................1-4
d. Physical...........................................................................................................................1-4
2-0 INSTALLATION ....................................................................................................................2-1
2-1 Facility Preparation................................................................................................................2-1
a. Installation Drawings.......................................................................................................2-1
b. Electrical Interconnection Diagram ...............................................................................2-1
c. Flow Diagram..................................................................................................................2-1
d. Location and Mounting....................................................................................................2-1
2-2 Calibration Gas Requirements ..............................................................................................2-2
a. Zero Standard Gas..........................................................................................................2-2
b. Span Standard Gas ........................................................................................................2-2
2-3 Sample...................................................................................................................................2-2
a. Temperature Requirements............................................................................................2-2
b. Pressure Requirements - General ..................................................................................2-3
c. Normal Operation at Positive Gauge Pressures.............................................................2-3
d. Operation at Negative Gauge Pressures........................................................................2-4
e. Flow Rate........................................................................................................................2-4
f. Materials in Contact with Sample...................................................................................2-4
g. Corrosive Gases .............................................................................................................2-4
2-4 Leak Test...............................................................................................................................2-5
2-5 Electrical Connections...........................................................................................................2-6
a. Line Power Connection...................................................................................................2-6
b. Recorder Output Selection and Cable Connections.......................................................2-6
c. Potentiometric Output .....................................................................................................2-7
d. Isolated Current Output (Optional)..................................................................................2-7
e. Output Connections and Initial Setup for Dual Alarm Option .........................................2-8
2-6 Remote Range Change Option .............................................................................................2-12