Rosemount Nuclear Instruments, Inc.
8200 Market Boulevard
Chanhassen, MN 55317 USA
Tel 1 (952) 949-5210
Fax 1 (952) 949-5201
www.RosemountNuclear.com
Transition from Rosemount 1150 Series to Rosemount
3150 Series
Tel (952) 828-8252 Fax (952) 828Frequently Asked Questions (FAQ)
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IMPORTANT
Q: Does the 3150 Series utilize analog or microprocessor based electronics?
A: The 3150 Series is 100% analog and does not use microprocessors! RNII carefully evaluated the potential
use of microprocessor based units in conjunction with industry input and concluded that upgraded fully analog
electronics remained the best solution. Key factors in this decision included cyber security, software Validation &
Verification (V&V), EMC, evolving regulatory requirements, ability to withstand radiation and other harsh environment
conditions, and the ability to provide long term availability.
NEW
Q: How does Rosemount Nuclear intend to support spare parts following the last order dates of the 1150
Series?
A: The full Rosemount 1150 Series spare parts offering will continue to be supported until April 2015 (1150 last
order date), subject to availability. After April 2015, a reduced offering of consumable spare parts, necessary for
typical transmitter maintenance, will continue to be supported 18 months following final transmitter shipments. The
consumable parts are listed in the table below. After this period of time, 1150 Series spare parts will no longer be
available.
Consumable Part list
O-rings
Electronics Cover O-ring
Process O-ring
Lubricants
D.C. 55 O-ring Lubricant
D.C. 111 O-ring Lubricant
Lubri-Bond A Cover Lubricant
Sealants
Loctite 580-PST Thread Sealant
Miscellaneous
Jumper Wire Kit
NEW
Q: How does Rosemount Nuclear intend to honor warranty obligations following the last order dates of the
1150 Series?
A: RNII’s standard limited warranty covers transmitters for 12 months following installation or 18 months after
shipment, whichever period occurs first. If a defect is discovered within the warranty period RNII will repair, replace
with equivalent 3150 Series Product or refund the cost of the transmitter. Please contact RNII’s for complete details.
NEW
Q: Is a more detailed comparison between the 1150-Series and 3150-Series available?
A: For your convenience, RNII has generated a product comparison tool as a quick reference which is available at
www.RosemountNuclear.com . The tool includes side by side product comparisons on:
* Qualification levels
* Design basis event profiles
* EMC qualification testing performed
* Normal operating performance
* Physical and functional specifications
For complete details, please refer to the applicable product data sheets and qualification reports.
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NEW
Q: How do the 3150 Series process connections, electrical connections and mounting dimensions compare to
the 1150 Series?
A: The 3150 Series is designed to essentially be a “like-for-like” replacement for the 1150 Series transmitter. The 3150
Series is the same as the 1150 Series with respect to the following:
* Process connection dimensions
* Electrical connections
* Mounting bracket holes
A more detailed comparison tool is available at www.RosemountNuclear.com.
Q: Why is Rosemount Nuclear introducing the 3150 Series and discontinuing the 1150 Series?
A: The 3150 Series is being introduced to provide an updated and improved nuclear qualified pressure transmitter
family which is sustainable for the life of your plant.
The nuclear qualified Models 1152, 1153 Series B and D, 1154 and 1154 Series H evolved from the now
discontinued Rosemount Model 1151. After 35 years of excellent performance they have become increasingly
difficult to maintain and manufacture – particularly due to obsolescence and limited availability of a growing list of
components. RNII anticipated this and in recognition of evolving world-wide industry requirements, made extensive
investments over the past several years in developing the advanced Rosemount 3150 Series nuclear qualified
pressure transmitter family.
Q: Which 1150 Series products are impacted by this announcement?
A: All Model 1152, 1153 Series B, 1153 Series D, 1154 and 1154 Series H nuclear pressure transmitters along with
the 1159 remote diaphragm capillary system will ultimately be replaced by the Rosemount 3152, 3153, 3154, & 3155
along with the 3159 improved remote diaphragm capillary system.
Q: When does the 1150 to 3150 Series transition begin to take effect?
A: The transition dates are as noted in RNII’s October 21, 2013 letter. These dates are based upon current and
expected 3150 Series availability, historical 1150 Series order rates and available 1150 Series components. Target
last time ordering and shipping dates are provided to assist customer’s long term planning. Updates will be provided
as applicable. The product transition timeline can also be found at www.RosemountNuclear.com/Transition.
Q: Will 1150 Series Last Time Buy (LTB) opportunities be provided?
A: The 3150 Series is intended to provide continuous qualified pressure transmitter availability to preclude the
necessity for LTB’s. In light of this, reasonable, limited quantity purchases will be accepted with the clarification that
RNII reserves the right to restrict 1150 Series order quantities to accommodate the needs of all users. All sales are
also subject to 1150 Series parts availability.
Q: Where do I find product literature, manual(s), dimensions and other related information?
A: www.RosemountNuclear.com will have standard information including Product Data Sheets and reference
manuals posted as available. Please contact RNII for additional information.
Q: What information does RNII have on the 3150 Series to support confidence in performance, reliability,
quality- including Operating Experience (OE)?
A: The 3150 Series:
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Has been developed, manufactured and tested in accordance with RNII’s internationally approved Quality
System which is structured to satisfy10CFR50 Appendix B, NQA-1, KTA1401, IAEA 50-C-Q, and CSA
CAN3-Z299.1-85, among others.
Incorporates Rosemount’s coplanar variable capacitance sensor technology which has been proven in over
4 million commercial 3051C transmitters shipped since 1988.
Leverages RNII’s proven harsh environment analog electronics.
Has been subjected to extensive, robust testing conducted by RNII throughout our Design Verification
Testing (DVT), Manufacturing Verification Testing (MVT) processes and the various qualification type
testing to KTA 3505, RCC-E and IEEE standards.
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Q: Do you have references?
A: To respect customer confidentiality, RNII does not typically publish specific customers, sites, or projects that
have purchased and installed 3150 Series Transmitters. To date, RNII has shipped or taken orders for over 6,000
3150 Series units, including those used in harsh environment, safety related applications in France, Germany,
Sweden, Slovakia, the United Kingdom, the United States, Canada, Argentina, China and the United Arab Emirates.
Q: Are there any different or “special” maintenance requirements for the 3150 Series compared to the 1150
Series?
A: No. Maintenance activities are significantly simplified with the 3150 Series. For example:
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Reduced calibration time: Zero and span are non-interacting for most calibrations.
Fewer transmitter and/or board replacements due to EQ Qualified Life (QL): The complete 3150
Series transmitter has a 20 year QL at 120°F versus the 1153/1154 which have a 10yr QL that is
extendable to 15 years with replacement of the amplifier and calibration boards.
3150 Series has simplified electronics with:
a. Single board electronics vs. two boards for 1150 Series
b. Easily adjustable coarse zero selectable jumper for elevated or suppressed zero calibrations (vs. 1150
Series with turret post design requiring jumper wire and soldering)
Q: Will 1150 Series NXXXX and TXXXX “special options” be addressed within the 3150 Series?
A: The majority of functionality provided by the 1150 Series N & T special options has already been incorporated
into the 3150 Series model structure. As always, RNII will work with customers to address specific needs and
establish new special option codes for the 3150 Series when appropriate. Please contact RNII for further information.
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