YOKOGAWA Y/11GM, User Manual

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IM 02C01B04-01EN
Y/11GM
Pneumatic Gauge
Pressure Transmitter
IM 02C01B04-01EN 12th Edition
CONTENTS
1. Introduction ............................................................................................... 1-1
1.1 Safety Precautions ............................................................................................1-2
1.2 Warranty .............................................................................................................1-2
1.3 Control of Pollution Caused by the Product ..................................................1-3
2. General ...................................................................................................... 2-1
2.1 Outline ................................................................................................................2-1
2.2 Principle of Operation ......................................................................................2-1
2.3 Standard Specifications ...................................................................................2-2
2.4 Model and Suffix Codes ...................................................................................2-3
2.5 Options and Combinations ..............................................................................2-4
2.6 Dimensions ........................................................................................................2-5
3. Installation ................................................................................................. 3-1
3.1 Transmitter Mounting .......................................................................................3-1
3.2 Typical Transmitter Piping ...............................................................................3-1
3.3 Air Supply and Transmission Piping ..............................................................3-1
4. Operation ................................................................................................... 4-1
4.1 Zero Adjustment ................................................................................................4-1
4.1.1 Without Elevated or Suppressed Zero Range ...................................4-1
4.1.2 With Elevated or Suppressed Zero Range ........................................4-1
5. Maintenance .............................................................................................. 5-1
5.1 Calibration Notes ..............................................................................................5-1
5.1.1 Calibration Equipment .......................................................................5-1
5.1.2 Calibration Procedure ........................................................................5-1
5.1.3 To Change Range of Transmitter .......................................................5-2
5.1.4 Flexure Cap Screw Adjustment .........................................................5-3
5.1.5 Overrange Stop Adjustment ..............................................................5-3
5.2 Supply Air Filter .................................................................................................5-4
5.3 To Clean Restrictor ...........................................................................................5-4
5.4 To Clean Nozzle Assembly ...............................................................................5-4
5.5 To Remove Bellows Capsule ...........................................................................5-5
5.6 To Replace Bellows Capsule ...........................................................................5-5
5.7 To Clean or Replace Screens ...........................................................................5-5
5.8 To Remove Pneumatic Amplifier .....................................................................5-5
12th Edition: Apr. 2017 (YK)
All Rights Reserved, Copyright © 1982, Yokogawa Electric Corporation