Part 21 Report - 1998-341

ACCESSION #: 9805010007 Rosemount Nuclear Instruments Rosemount Nuclear Instruments, Inc. 12001 Technology Drive Eden Prairie, MN 55344 USA Tel 1 (612) 828-8252 Fax 1 (612) 828-8280 28 April 1998 Re: Notification under 10 CFR Part 21 for Rosemount Model 1154 Alphaline Nuclear Pressure Transmitter, Range Code 0, Drift Specification Pursuant to 10CFR Part 21 Paragraph 21.21 (b), Rosemount Nuclear Instruments, Inc. (RNII) is writing to inform you that the drift specification for Model 1154, gage pressure transmitters, range code 0, is not correctly described in Manual MAN 4514, December 1992. Manual MAN 4514, December 1992, page 4-1, Drift is incorrectly stated as +/-0.2% of upper range limit for 30 months. The correct specification is +/-0.3% of upper range limit for 30 months. The Product Data Sheet for Model 1154, #00813-0100-4514, November 1995, page 4, Drift, shows +/-0.2% of upper range limit for thirty months (+/- 0.3% of upper range limit for range 0). This is the correct drift specification for this model, since +/-0.2% of upper range limit applies to all range codes other than range code 0. This notice does not apply to other Model 1154 gage pressure transmitters, nor to any Model 1154 differential or high line differential pressure transmitters. Moreover, it does not apply to any Model 1152, 1153 Series B or D transmitters. The design and qualification of Model 1154 Range Code 0 is based on design and qualification of Rosemount Model 1153 Series D Alphaline Nuclear Pressure Transmitter, In turn, Model 1153 Series D design and qualification references Model 1153GD0, whose qualification is documented in Rosemount Report 78215. The range code 0 sensor module is designed to operate between 0 and 6000 psi. However, the specified upper range limit on model 1154 range code 0 pressure transmitter is 4000 psig. This means the specified upper range limit on range code 0 is actually "ranged down" from its design limits. There are "range-down" effects associated with operating the transmitter at levels lower than the design limit. More specifically, the transmitter gain must be turned up in order to calibrate the transmitter from 0 to 4000 psig, which amplifies any zero errors. This means that some of the errors in performance, including drift, must be magnified by the "range-down multiplier" of 1.5. The correct drift specification for range code 0 is +/-0.3% of upper range limit as properly indicated in Product Data Sheet for Model 1154, #00813- 0100-4514, November 1995. FISHER-ROSEMOUNT 10CFR21 Notification 27 April 1998 Page 2 of 3 1.0 Name and address of the individual providing the information: Mr. Jeffrey W. Schmitt Vice President & General Manager Rosemount Nuclear Instruments, Inc. 12001 Technology Drive Eden Prairie, MN 55344 2.0 Identification of items supplied: Model 1154 Alphaline Pressure Transmitter Range Code 0 gage pressure 3.0 Identification of firm supplying the item: Rosemount Nuclear Instruments, Inc. 12001 Technology Drive Eden Prairie, MN 55344 4.0 Nature of the failure and potential safety hazard: This notification relates to the incorrect statement of drift specification in Manual MAN 4514, December 1992, page 4-1 under Drift for Model 1154 Alphaline Pressure Transmitter for Nuclear Service. RNII does not have sufficient information to determine the safety impact related to plant applications. Licensees must determine the impact on plant operations and plant safety and take action as deemed necessary. FISHER-ROSEMOUNT 10CFR21 Notification 27 April 1998 Page 3 of 3 5.0 The corrective action which is taken, the name of the individual or organization responsible for that action and the length of time taken to complete that action; Until such time as the manual containing the error is fully revised, errata sheets will be issued and included in all future shipments of current revision (December 1992) 1154 Manuals, stating the correct drift specification to be +/-0.2% of upper range limit for thirty months (+/-0.3% of upper range limit for range 0). Additional errata sheets will be made available for users requesting them to include in 1154 manuals already shipped from RNII. The above actions will be completed within 6 months of this notification. No further action related to this issue is expected. Mr. Schmitt is responsible should any further action related to this issue be necessary. 6.0 Any advice related to the potential failure of the item; The end user must determine the full scope of this nonconformance as it relates to plant operations and plant safety and take action as deemed necessary. Rosemount Nuclear Instruments, Inc. has a strong commitment to the nuclear industry and assures you that we are dedicated to the supply of high quality products and services to our customers. We are sorry for any inconvenience. If there are any questions, or you require additional information related to this issue, please contact Jerry Edwards (612) 828-3951, Mike Dougherty at (612) 828-8250 or Gerard Hanson at (612) 828- 3480. Sincerely, ROSEMOUNT NUCLEAR INSTRUMENTS, INC. Jeffrey W. Schmitt Vice President & General Manager FISHER-ROSEMOUNT Attachment 10CFR Part 21-Notification dated 29 April 1998 Baltimore Gas and Electric P.O. Number Model Number Serial Number 97002GX 1154GP0RC 0509259 97002GX 1154GP0RC 0509260 97002GX 1154GP0RC 0509266 97002GX 1154GP0RC 0510022 14458GX 1154GP0RC 0511121 15172 1154GP0RC 0514216 Attachment 10CFR Part 21-Notification dated 29 April 1998 Maine Yankee Atomic Power Co. P.O. Number Model Number Serial Number 96-03801 1154GP0RA 0512978 96-03801 1154GP0RA 0512983 GENERAL INFORMATION or OTHER EVENT NUMBER: 34142 LICENSEE: ROSEMOUNT NUCLEAR INSTRUMENTS NOTIFICATION DATE: 04/28/98 CITY: EDEN PRAIRIE REGION: 3 NOTIFICATION TIME: 14:15 [ET] COUNTY: STATE: MN EVENT DATE: 04/28/98 LICENSE#: AGREEMENT: N EVENT TIME: 14:15 [CDT] DOCKET: LAST UPDATE DATE: 04/28/98 NOTIFICATIONS HAROLD GRAY RDO NRC NOTIFIED BY: JEFF SCHMITT VERN HODGE, NRR FAX HQ OPS OFFICER: JOHN MacKINNON EMERGENCY CLASS: NOT APPLICABLE 10 CFR SECTION: CCCC 21.21 UNSPECIFIED PARAGRAPH EVENT TEXT 10CFR PART 21 REPORT - ROSEMOUNT MODEL 1154 ALPHALINE NUCLEAR GAGE PRESSURE TRANSMITTERS, RANGE CODE 0, DRIFT SPECIFICATION VALUE IS SUPPOSED TO BE +/-0.03% INSTEAD OF +/-0.02%. ROSEMOUNT NUCLEAR INSTRUMENTS, INC (RNII) REPORTED THAT THE DRIFT SPECIFICATION FOR ROSEMOUNT MODEL 1154, ALPHALINE NUCLEAR GAGE PRESSURE TRANSMITTERS, RANGE CODE 0, IS NOT CORRECTLY DESCRIBED IN MANUAL MAN 4514, DECEMBER 1992. MANUAL MAN 4514, DECEMBER 1992, PAGE 4-1, "DRIFT" IS INCORRECTLY STATED AS +/-0.2% OF UPPER RANGE LIMIT FOR 30 MONTHS. THE CORRECT SPECIFICATION IS +/-0.3% OF UPPER RANGE LIMIT FOR 30 MONTHS. THIS 10CFR PART 21 REPORT DOES NOT APPLY TO OTHER MODEL 1154 GAGE PRESSURE TRANSMITTERS, NOR TO ANY MODEL 1154 DIFFERENTIAL OR HIGH LINE DIFFERENTIAL TRANSMITTERS. MOREOVER, IT DOES NOT APPLY TO ANY MODEL 1152, OR MODEL 1153 SERIES B OR D TRANSMITTERS. FISHER-ROSEMOUNT Rosemount Nuclear Instruments, Inc. 12001 Technology Drive Eden Prairie, MN 55344-3695 USA DATE: April 28, 1998 PAGE(S) INCLUDING LEAD SHEET: 6 TO FROM COMPANY: NRC FAX NUMBER: (612) 828-8280 ATTENTION: Document Control Desk SENDER: Jeff Schmitt FAX NUMBER: (301) 816-5151 PHONE NUMBER: (612) 828-3432 SUBJECT: Part 21 Notice CC: *** END OF DOCUMENT ***

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