Reference Manual
00809-0100-4514, Rev BA
January 2008
Rosemount 1154
www.rosemountnuclear.com
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IMPORTANT NOTICE -- ERRATA |
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Model 1154 Product Manual 00809-0100-4514 Rev BA (January 2008) |
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No. |
Affected |
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Description of Change |
Effect. |
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Pages |
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Date |
1 |
6-6 |
Process Flange –CF3M (Cast version of 316L SST) |
10/21/09 |
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Drain/Vent Valves –316L SST |
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Process Connections – 3/8-inch Swagelok compression fitting, 316L SST (1/4-18 |
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NPT optional) |
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2 |
3-5 |
Change the last paragraph on the page to read as follows: |
4/13/12 |
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”Damping electronics are available as an option. Transmitters with standard |
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electronics can be retrofitted with the adjustable damping feature by changing out |
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both the amplifier board and the calibration board. Please reference Table 6-2 |
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(Rosemount 1154DP, 1154HP, and 1154GP Spare Parts) for the applicable part |
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numbers.” |
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3 |
6-9 |
Table 6-2,”Rosemount 1154DP, 1154HP, and 1154GP Spare Parts”, in all locations |
4/13/12 |
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the following part numbers are updated: |
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Amplifier Circuit Board, Output Code R: |
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”01154-0001-0005” is replaced by ”01154-0153-0001” |
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Amplifier Circuit Board with Damping, Output Code R: |
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”01154-0021-0004” is replaced by ”01154-0156-0001” |
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Amplifier Circuit Board, Output Code R, N0026: |
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”01154-0001-0006” is replace by ”01154-0153-0002” |
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Sensor Module, 316 SST (5): |
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0-25/150 inH2O: ”01154-0300-0242” is replaced by ”01154-5300-0242” |
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”01154-0300-0342” is replaced by ”01154-5300-0342” |
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”01154-0300-0142” is replaced by ”01154-5300-0142” |
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0-125/750 inH2O: ”01154-0300-0252” is replaced by ”01154-5300-0252” |
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”01154-0300-0352” is replaced by ”01154-5300-0352” |
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”01154-0300-0152” is replaced by ”01154-5300-0152” |
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0-17/100 psi: |
”01154-0300-0262” is replaced by ”01154-5300-0262” |
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”01154-0300-0362” is replaced by ”01154-5300-0362” |
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”01154-0300-0162” is replaced by ”01154-5300-0162” |
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0-50/300 psi: |
”01154-0300-0272” is replaced by ”01154-5300-0272” |
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”01154-0300-0372” is replaced by ”01154-5300-0372” |
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”01154-0300-0172” is replaced by ”01154-5300-0172” |
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0-170/1,000 psi: |
”01154-0300-0282” is replaced by ”01154-5300-0282” |
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”01154-0300-0182” is replaced by ”01154-5300-0182” |
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0-500/3,000 psi: |
”01154-0300-0192” is replaced by ”01154-5300-0192” |
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0-1,000/4,000 psi: ”01154-0300-0102” is replaced by ”01154-5300-0102”
4 6-10 |
Table 6-2,” Rosemount 1154DP, 1154HP, and 1154GP Spare Parts”, the table |
4/13/12 |
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footnotes are updated to add note (5) which will read as follows: |
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(5) IMPORTANT NOTICE: To maintain a transmitter’s qualified configuration, |
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when purchasing or installing a new Sensor Module, Rosemount Qualification |
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report D2011019 must be carefully reviewed to verify that the Sensor Module |
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to be installed and the associated Amplifier Circuit Board in a given |
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transmitter is a qualified configuration. As detailed in the referenced report, not |
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all Sensor Module part numbers are considered qualified in conjunction with certain |
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Amplifier Circuit Boards. |
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Reference Manual
00809-0100-4514, Rev BA
January 2008
Rosemount 1154
Rosemount 1154 Alphaline®
Nuclear Pressure Transmitter
NOTICE
Read this manual before working with the product. For personal and system safety and optimum product performance make sure you thoroughly understand the contents before installing, using, or maintaining this product.
For equipment service needs outside the United States, contact the nearest Rosemount representative.
Within the United States, the North American Response Center is at your service 24 hours a day, and is a single-point contact for all Rosemount equipment service needs. If at any time you are not sure what to do, have a question about using the product, or have a service or support request, call the center toll-free at 1-800-654-RSMT (7768). This contact is your fastest link to quick and complete answers about any Rosemount Group product or service.
Alphaline, Rosemount and the Rosemount logotype are registered trademarks of Rosemount Inc.
-Cell is a trademark of Rosemount Inc.
Loctite is a registered trademark of Henkel HGaA Corporation. Swagelok is a registered trademark of Swagelok Company. D.C. 55 is a registered trademark of Dow Corning Corporation. Lubri-Bond is a registered trademark of E/M Corporation Grafoil is a trademark of Union Carbide Corp.
Cover Photo: 1153-001AB
Rosemount Nuclear Instruments, Inc. satisfies all obligations coming from legislation to harmonize product requirements in the European Union.
www.rosemountnuclear.com
Rosemount 1154
Reference Manual
00809-0100-4514, Rev BA
January 2008
Rosemount Nuclear Instruments, Inc.
Warranty and Limitations of Remedy
The warranty and limitations of remedy applicable to this Rosemount equipment are as stated on the reverse of the current Rosemount quotation and customer acknowledgment forms.
RETURN OF MATERIAL
Authorization for return is required from Rosemount Nuclear Instruments, Inc. prior to shipment. Contact the Nuclear Instruments Group (952-949-5210) for details on obtaining “Returned Material Authorization (RMA)”. Rosemount Nuclear Instruments will not accept any returned material without a Returned Material Authorization. Materials returned without authorization are subject to return to customer.
Material returned for repair, whether in or out of warranty, should be shipped prepaid to:
Rosemount Nuclear Instruments, Inc.
8200 Market Blvd
Chanhassen, MN 55317
USA
IMPORTANT
The Rosemount 1154 Alphaline Pressure Transmitter is designed for nuclear use, has been tested per IEEE Std 323-1974 and IEEE Std 344-1975 as defined in Rosemount Report D8400102, and is manufactured to the requirements of NQA-1; 10CFR50, Appendix B quality assurance programs; and 10CFR Part 21. During qualification testing, interfaces were defined between the transmitter and its environment that are essential to meeting IEEE Std 323-1974 requirements. To ensure compliance with 10CFR Part 21, the transmitter must comply with the requirements herein throughout its installation, operation and maintenance. It is incumbent upon the user to ensure that the Rosemount Nuclear Instruments, Inc.’s component traceability program is continued throughout the qualified life of the transmitter.
In order to maintain the qualified status of the transmitter, the essential environmental interfaces must not be compromised. Performance of any operations on the transmitter other than those specifically authorized in this manual may compromise an essential environmental interface.
Where the manual uses the terms requirements, mandatory, must, or required, the
instructions so referenced must be carefully followed. Rosemount Nuclear Instruments, Inc.
expressly disclaims all responsibility and liability for transmitters for which the foregoing has
not been complied with by the user.
ii
Reference Manual
00809-0100-4514, Rev BA
January 2008
Rosemount 1154
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Revision Status |
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Changes From June 1999 to January 2008 |
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Page (New) |
Page (Old) |
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Changes |
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Cover |
Cover |
Document revision dates changed from June 1999 to January 2008, rev from AA to BA. |
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Inside Cover, i, |
ii, 5-9, 5-10 & |
Include errata sheet information on address and phone number. |
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ii, 5-8 & Back |
Back Cover |
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Cover |
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3-5, 6-8 & 6-9 |
3-5, 6-9 & 6-10 |
Include errata sheet information on circuit board number changes: |
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Replaced amplifier circuit card, output code R P/N 01154-0001-0001 with 01154-0001-0005. |
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Replaced amplifier circuit card with damping, output code R P/N 01154-0021-0002 with |
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01154-0021-0004. |
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Replaced amplifier circuit card, output code R, N0026 P/N 01154-0001-0002 with |
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01154-0001-0006. |
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Throughout |
Throughout |
References to Fisher-Rosemount were changed to Emerson Process Management. |
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i, back cover |
Cover, i, ii & |
Web address changed from www.rosemount.com to |
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back cover |
www.rosemountnuclear.com. |
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Cover, i, back |
Added reference to European Union product requirement (CE). |
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page |
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2-1,3-1,4-1,5-1, |
2-1,3-1,4-1,5-1, |
Added table of contents to each section |
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6-1 |
6-1 |
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2-2 |
2-2 |
Removed the word “process” from sentence indicating user assumes responsibility for qualifying the |
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connection interface. |
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2-2 |
2-3 |
Updated reference to Swagelok catalog and added web address, removed street address. |
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2-4 |
2-4 |
Removed reference to 353C |
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2-4 |
2-5 |
Rearranged wording on shielded cable. |
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2-6 & 2-7 |
2-6 & 2-7 |
Added word “nominal” to Notes in drawings. Changed significant digits to conform to standard. |
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5-7 & 6-9 |
5-8 & 6-10 |
Inserted information on the spare parts kit for bolts and nuts for process flange. |
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6-1 |
6-2 |
Changed ISO 9001 to ISO 9001:2000 |
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6-9 |
6-10 |
Replaced pipe mount bracket kit (adapters) P/N 01154-0038-0001 with P/N 01154-0044-0001 |
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Back Cover |
Added trademark & registration information |
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The above Revision Status list summarizes the changes made. Please refer to both manuals for complete comparison details.
www.rosemountnuclear.com
Rosemount 1154
Reference Manual
00809-0100-4514, Rev BA
January 2008
iv
Reference Manual
00809-0100-4514, Rev BA
January 2008
Rosemount 1154
SECTION 1
Introduction
SECTION 2
Installation
SECTION 3
Calibration
SECTION 4
Operation
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
About The Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
General Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Mechanical Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Process Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Conduit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Electrical Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Installation Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Mechanical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Conduit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Span Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Zero Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Calibration Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Zero and Span Adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Linearity Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Damping Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Correction For High Line Pressure
(Rosemount 1154DP and 1154HP Only) . . . . . . . . . . . . . . . . . . . . 3-6
Span . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Zero . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Transmitter Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
The δ-Cell™ Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Demodulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Linearity Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Voltage Regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Zero and Span Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Current Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Current Limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Reverse Polarity Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
www.rosemountnuclear.com
Rosemount 1154
Reference Manual
00809-0100-4514, Rev BA
January 2008
SECTION 5
Maintenance and
Troubleshooting
SECTION 6
Specifications and
Reference Data
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1 Safety Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2 Test Terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2 Board Checkout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2 Sensing Module Checkout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3 Disassembly Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
Process Flange Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4 Electrical Housing Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6 Removing Sensor Module from Electrical Housing . . . . . . . . . . . . 5-6 Reassembly Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6 Preliminary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7 Connecting the Electrical Housing to the Sensor Module . . . . . . . 5-7 Electrical Housing Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7 Process Flange Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8 Post Assembly Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
Nuclear Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Radiation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Seismic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Steam Pressure/Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Chemical Spray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Post DBE Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Quality Assurance Program . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Nuclear Cleaning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Hydrostatic Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Traceability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Qualified Life . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Performance Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Dead Band . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Drift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
Temperature Effect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
Overpressure Effect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
Static Pressure Zero Effect . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
Static Pressure Span Effect . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
Power Supply Effect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
Load Effect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
Mounting Position Effect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
Response Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
Functional Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
Span and Zero. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Zero Elevation and Suppression . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Temperature Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Humidity Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Volumetric Displacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Turn-on Time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Pressure Ranges. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Maximum Working Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Static Pressure and Overpressure Limits . . . . . . . . . . . . . . . . . 6-6
Overpressure Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
TOC-2
Reference Manual
00809-0100-4514, Rev BA
January 2008
Rosemount 1154
Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
Materials of Construction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
Electrical Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
Process Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8
Spare Parts Shelf Life . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11
Important Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11
NOTES: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11
TOC-3
Rosemount 1154
Reference Manual
00809-0100-4514, Rev BA
January 2008
TOC-4
Reference Manual
00809-0100-4514, Rev BA
January 2008
Rosemount 1154
Section 1 |
Introduction |
This manual is designed to assist in installing, operating, and maintaining the Rosemount 1154 Pressure Transmitter. The manual is organized into the following sections:
Section 2: Installation
Provides general, mechanical, and electrical installation considerations to guide you through a safe and effective transmitter installation.
Section 3: Calibration
Provides transmitter calibration procedures.
Section 4: Operation
Provides descriptions of how the transmitter operates.
Section 5: Maintenance and Troubleshooting
Provides basic hardware troubleshooting considerations including sensing module checkout, disassembly and reassembly procedures, and post-assembly tests.
Section 6: Specifications and Reference Data
Provides nuclear, performance, functional, and physical transmitter specifications; also includes ordering information, and a list of spare parts.
Rosemount 1154 Pressure Transmitters are designed for precision pressure measurements in nuclear applications requiring reliable performance and safety over a specified qualified life. These transmitters were generically tested to the IEEE Std 323-1974 and IEEE Std 344-1975 per the Qualification Test Report D8400102. The Rosemount 1154 has been qualification tested to environments typical of Pressurized Water Reactors (PWR) under accident conditions. Stringent quality control during the manufacturing process includes traceability of pressure retaining parts, special nuclear cleaning, and hydrostatic testing.
Rosemount 1154 Transmitters are uniquely built to Class 1E nuclear service while retaining the working concept and design parameters of the Rosemount 1151 Series that have become a standard of reliable service. Units are available in gage (G), differential (D), and high-line differential (H) configurations, with a variety of pressure range options, as shown in Table 6-1 on page 6-8. Figure 2-5 on page 2-7 shows dimensional drawings for the transmitters.
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Rosemount 1154
Reference Manual
00809-0100-4514, Rev BA
January 2008
1-2
Reference Manual
00809-0100-4514, Rev BA
January 2008
Rosemount 1154
Section 2 |
Installation |
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 2-1 General Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . page 2-1 Mechanical Considerations . . . . . . . . . . . . . . . . . . . . . . . . page 2-2 Electrical Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . page 2-4 Installation Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . page 2-6
This section contains information and instructions regarding the following installation-related information:
•General Considerations
•Mechanical Considerations Process Connections Conduit
•Electrical Considerations
•Installation Procedures Mechanical Electrical
The quality and accuracy of flow, level, or pressure measurement depends largely on the proper installation of the transmitter and its associated impulse piping and valves. For flow measurement, proper installation of the primary measuring element is also critical to the accuracy of the measurement. Transmitter installation should minimize the effects of temperature gradients and temperature fluctuations, and avoid vibration and shock during normal operation. Take care when designing the measurement to minimize the error caused by incorrect installation. The ambient temperature of the transmitter environment affects the qualified life of the transmitter (see Figure 2-1).
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Reference Manual |
Rosemount 1154 |
00809-0100-4514, Rev BA |
January 2008 |
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Figure 2-1. Qualified |
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Life vs. Ambient Temperature. |
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Module |
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Qualified |
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Life |
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Electronics |
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Qualified Life |
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Time (Years) |
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Temperature (°F) |
This section contains information you should consider when preparing to mount the transmitter. Read this section carefully before proceeding to the mechanical installation procedure.
Mount the Rosemount 1154 transmitter to a rigid support (a support with a fundamental mechanical resonant frequency of 40 Hz or greater). A mounting bracket included with the transmitter facilitates panel mounting. Figure 2-4 on page 2-6 shows the qualified mounting configurations. The transmitter was seismic qualified with the bracket mounted with four 3/8-in. diameter bolts. Orientation with respect to gravity is not critical to qualification. However, if the transmitter is mounted with the flanges in a horizontal position, zero the transmitter to cancel the liquid head effect caused by the difference in height of the process connections.
If the transmitter is mounted to a non-rigid panel, the user must ensure that seismic input to the mounting bracket does not exceed qualification levels given in Rosemount Report D8400102.
Process tubing installation must prevent any added mechanical stress on the transmitter under seismic disturbances. This may be done by using stress-relief loops in the process tubing or by separately supporting the process tubing close to the transmitter.
The process connections to the transmitter flanges were qualified with 3/8-in. tubing using Swagelok® compression fittings. For options using 1/4–18 NPT connections, the user assumes responsibility for qualifying the interface.
The Swagelok tube fittings are shipped completely assembled for immediate use. Do not disassemble them before use; doing so may contaminate the fittings and result in leaks. Insert the tubing into the Swagelok tube fitting, making sure that the tubing rests firmly on the shoulder of the fitting and that the nut is finger tight. Tighten the nut one-and-one-quarter turns past finger tight to prepare the transmitter for use. Do not overtighten.
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January 2008
Rosemount 1154
Transmitters with Flange Options A, D, H, J, L, or M are shipped with Swagelok fittings for process connections. Included are front ferrule, rear ferrule, and nut. Ensure that the fittings are placed on the tubing with the orientation and relative position shown in Detail A, Figure 2-5 on page 2-7. Process tubing used is 3/8-inch outside diameter, and of suitable thickness for the pressure involved.
The connections can be loosened and re-tightened 20-30 times without compromising the leak proof seal. To reconnect, insert the tubing with pre-swaged ferrules into the fitting until the front ferrule sits in the fitting. Tighten the nut by hand, then rotate one-quarter turn more or to the original one-and-one-quarter tight position. Then snug the nut slightly with a wrench. For more information regarding the use of Swagelok tube fittings, refer to:
Fittings Catalog MS-01-140
“Gaugable Tube Fittings and Adapter Fittings” www.swagelok.com
If the drain/vent valves must be opened to bleed process lines, torque them to 7.5 ft-lb (10 N-m) when closing.
Proper location of the transmitter with respect to the process tubing depends on various process parameters. When determining the best location, consider the following:
•Keep hot or corrosive fluids from contacting the transmitter.
•Prevent sediment from depositing in the impulse tubing.
•Ambient temperature gradients and fluctuations can result in erroneous transmitter readings.
•Keep impulse tubing as short as possible.
•For differential transmitters, balance the liquid head on both legs of the impulse tubing.
•For liquid flow or pressure measurements, make taps on the side of the line to avoid sediment deposits, and mount the transmitter beside or below the taps so gases vent into the process line (see Figure 2-6 on page 2-8).
•For gas flow or pressure measurements, make taps on the top or side of the line and mount the transmitter beside or above the taps so liquid drains into the process line (see Figure 2-6 on page 2-8).
•For steam flow or pressure measurements, make taps on the side of the line, and mount the transmitter below the taps so the impulse tubing stays filled with condensate (See Figure 2-6 on page 2-8).
•For steam service, fill the lines with water to prevent steam from contacting the transmitter. Condensate chambers are not necessary since the volumetric displacement of the transmitter
is negligible.
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Rosemount 1154
Reference Manual
00809-0100-4514, Rev BA
January 2008
The piping between the process and the transmitter must transfer the pressure measured at the process taps to the transmitter. Possible sources of error in this pressure transfer are:
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• Leaks |
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• Friction loss (particularly if purging is used) |
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• Trapped gas in a liquid line or trapped liquid in a gas line (head error) |
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• Temperature-induced density variation between legs (head error), for |
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differential transmitters |
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To minimize the possibility of errors, take the following precautions: |
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• Make impulse tubing as short as possible. |
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• Slope tubing at least one inch per foot up toward the process |
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connections for liquid and steam. |
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• Slope tubing at least one inch per foot down toward the process |
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connections for gas. |
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• Avoid high points in liquid lines and low points in gas lines. |
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• Use impulse tubing of sufficient diameter to avoid friction effects. |
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• Ensure that all gas is vented from liquid tubing legs. |
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• Ensure that impulse tubing is of adequate strength to be compatible |
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with anticipated pressures. |
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For differential transmitters, also consider the following: |
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• Keep both impulse legs at the same temperature. |
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• When using sealing fluid, fill both piping legs to the same level. |
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• When purging, make the purge connection close to the process taps |
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and purge through equal lengths of the same size tubing. Avoid purging |
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through the transmitter. |
Conduit |
The conduit connection to the transmitter is 1/2–14 NPT. Use a qualified |
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conduit seal at the conduit entry to prevent moisture from accumulating in the |
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terminal side of the housing during accident conditions. To prevent the conduit |
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from adding mechanical stress to the transmitter during seismic disturbances, |
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use flexible conduit or support the conduit near the transmitter. Install the |
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conduit seal in accordance with the manufacturer’s instructions or use the |
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procedure on page 2-8. |
ELECTRICAL |
This section contains information that you should consider when preparing to |
CONSIDERATIONS |
make electrical connections to the transmitter. Read this section carefully |
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before proceeding to the electrical installation procedures. |
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The Rosemount 1154 pressure transmitter provides a 4–20 mA signal when |
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connected to a suitable dc power source. Figure 2-2 on page 2-5 shows a |
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typical signal loop consisting of transmitter, power supply, and various |
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receivers (controller, indicator, computer, etc.). The power supply must supply |
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at least 12 volts to the transmitter terminals at 30 mA (overscale) signal, or the |
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maximum output current required for proper system operation. Any power |
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supply ripple appears in the output load. The supply voltage versus load |
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limitation relationship is shown in Figure 2-3 on page 2-5. See qualification |
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report D8400102 for details. The load is the sum of the resistance of the |
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signal leads and the load resistance of the receivers. |
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00809-0100-4514, Rev BA
January 2008
Rosemount 1154
Figure 2-2. Transmitter Wiring
Connections.
Signal wiring need not be shielded, but twisted pairs yield the best results. In electrically noisy environments, shielded cable should be used for best results. Do not run signal wiring in conduit or open trays with power wiring, or near heavy electrical equipment. Signal wiring may be ungrounded (floating) or grounded at any place in the signal loop. The transmitter case may be grounded or ungrounded.
The capacitance-sensing element uses alternating current to generate a capacitance signal. This alternating current is developed in an oscillator circuit with a frequency of 32,000 ±10,000 Hz. This 32,000 Hz signal is capacitor coupled to transmitter case ground through the sensing element. Because of this coupling, a voltage may be imposed across the load, depending on choice of grounding.
The impressed voltage, which is seen as high frequency noise, has no effect on most instruments. Computers with short sampling times in a circuit where the negative transmitter terminal is grounded will detect a significant noise signal. Filter this noise with a large capacitor (1 µf) or by using a 32,000 Hz LC filter across the load. Signal loops grounded at any other point are negligibly affected by this noise and do not need filtering.
Power |
Supply |
Terminal Side |
Cover Removed |
4—20 mA DC
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1825 |
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Qualified |
1575 |
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1500 |
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Region |
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(Ω) |
1000 |
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Resistance |
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Design |
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500 |
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Region |
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Load |
0 |
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0 |
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40 |
50 |
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12 |
35 |
45 |
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13.5Power Supply (V DC)
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Rosemount 1154
Reference Manual
00809-0100-4514, Rev BA
January 2008
INSTALLATION |
Installation consists of mounting the transmitter and conduit and making |
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PROCEDURES |
electrical connections. Procedures follow for each operation. |
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Mechanical |
Transmitter |
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Be careful not to break the neck seal between the sensor module and the |
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electronics housing. |
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The threaded interface between the sensor module and the electronics |
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housing is hermetically sealed before shipment. The integrity of this seal is |
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necessary for the safe operation of the transmitter during accident conditions. |
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If the seal is broken, reseal it according to “Connecting the Electrical Housing |
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to the Sensor Module” on page 5-7. |
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1. |
Mount the bracket to a panel or other flat surface as shown in |
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Figure 2-4. Use four 3/8-in. diameter bolts (not supplied with unit). SAE |
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grade 2 bolts were used during qualification testing. Torque each bolt |
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to 19 ft-lb (26 N-m). |
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2. |
Attach the transmitter to the mounting bracket, as shown in |
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Figure 2-4. Use four 7/16-20 3/4 bolts with washers (supplied with |
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unit). Torque each bolt to 21 ft-lb (29 N-m). |
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2.3 |
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(58) |
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1.2 |
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(30) |
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4.93 |
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2.81 (71.4) |
(125) |
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2.75 |
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2.81 |
3/8-in. |
(69.9) |
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(71.4) |
Bolts (4) |
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5 |
10 (254) |
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(Customer |
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Minimum |
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(127) |
Supplied) |
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Clearance |
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Center of Gravity
(Includes Bracket)
2.3 |
(58) |
1.8 |
(45.7) |
Center of Gravity
(Includes Bracket)
PANEL MOUNTING HOLE
PATTERN
(BACK SIDE)
MOUNTING BRACKET FOR PANEL |
ACCEPTABLE ALTERNATE |
MOUNT SHOWN IN TYPICAL |
MOUNTING |
MOUNTING CONFIGURATION |
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NOTE
Dimensions are nominal in inches (millimeters).
NOTES
1.Orientation with respect to gravity is not critical.
2.Units can alternately be mounted with process connection adjacent to bracket.
2-6