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Weed Instrument has been supplying nuclear qualified temperature sensors, thermowells and transmitters, pressure transmitters and fiber optic modems for more than three decades. We are recognized as a global leader in the technologies we supply, in part because of our intense focus on quality and reliability.
Today, over 80% of all North American reactors rely exclusively on Weed Instrument temperature sensors for critical reactor coolant monitoring. Our nuclear qualified pressure transmitters are used for safety related and BOP measurements at over 20% of US nuclear power plants. Weed Instrument products have been qualified for use in all of the leading reactor technologies, including PWR, BWR, CANDU (PHWR), and APWR.
We are also proud to be team members of the Generation III and III+ reactor technology platforms, including the System 80+, AP600 and AP1000.
In 1989 we acquired the manufacturing rights for the Foxboro N-E10 Series nuclear qualified pressure transmitters. In 1993, we purchased Camille Bauer, Inc (previously known as Westinghouse-Veritrak and Tobar), a major US based manufacturer of pressure transmitters for the nuclear power industry. More recently, we seismically qualified and became the exclusive supplier of the Invensys (Foxboro) N-I/A Series nuclear qualified pressure transmitters. The N-I/A Series combine the advantages of digital electronics with the reliability and performance of ion-implanted, micro machined silicon pressure sensor technology.
Weed Instrument is now globally acknowledged to be the premier supplier of temperature and pressure measurement instrumentation and fiber optic networking solutions to the nuclear power generation industry.
Weed Instrument Nuclear Quality Program:
Our Quality Program meets the stringent needs of the global nuclear power generation industry. In addition to being ISO 9001:2000 registered we are compliant with 10CFR50 Appendix B, 10CFR21, ANSI N45.2, ASME NQA-1, ASME NCA3800 and CSA Can3-Z299.1.
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Nuclear Qualified / Safety Related / Class 1E Products:
- RTDs
- Thermocouples
- Thermowells
- Pressure Transmitters
- Temperature Transmitters
- Fiber Optic Analog Data Links, Contact Closures, Multiplexers & Repeaters
Weed Instrument nuclear qualified products have earned a reputation of providing exceptional reliability, excellent performance and consistent quality. Our temperature and pressure product lines include a complete selection of sensors, thermowells and transmitters qualified to IEEE-344 (seismic) and IEEE-323 (environmental) standards. Recently, the Model N9355 Rapid Response RTD has been qualified to the French RCC-E "K2" standard.
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Weed Instrument nuclear qualified temperature and pressure measurement products feature a variety of performance and accident specification profiles to meet the application requirements of virtually every reactor type. We offer products suited for mild environments to pressure transmitters and temperature sensors designed for highest performance under the most severe of environments.
Other Weed products for the nuclear power industry include fiber optic analog and digital data links, contact closures, multiplexers and repeaters. These provide significant advantages over copper based signal transmission, particularly in high EMI/RFI environments. Most of our fiber products can be used in almost any network configuration, independent of topology, and are compatible with virtually every type of fiber optic cable.
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Commercial Grade / Non-Safety Related / Balance of Plant (BOP) Products:
- RTDs
- Thermocouples
- Thermowells
- Pressure Transmitters
- Temperature Transmitters
- Fiber Optic Analog Data Links, Contact Closures, Multiplexers & Repeaters
Please visit our home page at www.weedinstrument.com for product information on commercial grade temperature sensors, temperature transmitters and fiber optic networking products.
Our Nuclear team has many years of experience in serving the nuclear market and is available to assist you in the selection of the correct nuclear qualified products for your application.
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Contact Information: Toll Free: 800-880-9333; Phone: (512)434.2950; Fax: (512)434.2951
Email: nuclear@weedinstrument.com
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