Weed Instrument is the world's largest supplier of nuclear qualified RTDs and thermocouple temperature sensors. Qualifications are to IEEE, RCC-E and NUREG standards and most of the sensors can withstand 20Gs and 300 Megarads Radiation T.I.D.

Pressure transmitters for gauge, differential or absolute pressure measurement, qualified to IEEE-323/344 standards, are also offered for both inside and outside containment applications.

Other nuclear qualified products include temperature transmitters, thermowells and fiber optic analog data links and contact closures.

More information on our Nuclear Qualified Instrumentation products

Weed Instrument RTDs and thermocouples have earned a reputation for extreme accuracy, reliability and excellent value in applications that range from general environments to the harshest conditions. Our products include:

• RTDs: -320°F to 900°F (-200°C to 480°C)
• Thermocouples: -320°F to 2300°F (-200°C to 1260°C)
• Surface Sensors: -320°F to 550°F (-200°C to 288°C)
• Low Cost 4-20mA and HART Temperature Transmitters
• Wide Selection of Thermowells and Heads
• Economical Custom Designs for OEM’s
• 3-A Sanitary and Autoclave Models for Biopharm and Food & Beverage
• Averaging and Spot Temperature Sensors for Inventory Tank Gauging
• HVAC Energy Management Sensors and Transmitters
• FM, CSA and ATEX Approvals Available
• 24 Hour Delivery for Most Catalog Models - Specify QuickShip

More information on our Industrial Temperature products

For the Aerospace, Military and Marine markets, Weed Instrument manufactures a wide selection of high reliability RTDs and thermocouples. Typical applications include:

• Bleed Air
• Cabin Air
• Engine Oil
• Gear Boxes
• Fuel Systems
• Cylinder Heads
• Climate Control
• Hydraulic Systems

More information on our Aerospace and Military Temperature products

Weed Instrument manufactures Fiber Optic Networking equipment for Industrial Control, Process Control and Automation applications.

• We have over three decades of experience in fiber optic networking technology.
• Weed Instrument offers the world’s largest selection of fiber optic converters for PLCs and Distributed Control Systems.
• We provide Fault Tolerant, Multidrop, and Fiber Optic Communications solutions.
• Most models are available for immediate delivery
• Our fiber optic networking products are working reliably in thousands of loops worldwide.

Our data interface options include:

• Ethernet, Profibus, Modbus, Modbus Plus, ControlNet, DeviceNet, Data Highway Plus, DH-485, Genius, Remote I/O, RS232/484, Reliance R-Net
• Analog: 4-20mA, 0-10V

More information on our Fiber Optic Converters