Weed Instrument - The Only Name You Need to Know for Temperature Measurement
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Weed Instrument – The Only Name You Need to Know for Temperature Measurement
Whether you need a temperature sensor or a complete temperature measurement assembly, there’s an easy way to solve your requirement, just contact Weed Instrument. Think of us as an extension of your own team. From day one, we work with you to develop the best solutions for all your temperature sensing needs. For the most cost-efficient, volume-oriented applications or high performance, one-of-a-kind designs, Weed Instrument offers the engineering and manufacturing resources, and the product quality, performance and reliability you need. Manufacturing and We maintain an on-site, NIST etary and are geared to assure that Quality traceable Metrology Laboratory that from initial concept to finished Weed Instrument was formed in 1968 provides comparison temperature product, the integrity of the design and is headquartered on the outskirts calibrations from -112 °F to 1112 °F is maintained. Each of our finely of Austin, Texas. The company (-80 °C to 600 °C) on the International tuned manufacturing cells is operates from a purpose built 50,000 Temperature Scale (ITS-90). Relative configured to provide you with the square foot (4,600 sq. m) facility. calibrations at the boiling point of highest quality product, while Our Quality Program was liquid nitrogen are also performed. maintaining lead times that are established to meet the needs of a The Laboratory is fully equipped with among the shortest in our industry. broad range of industries. In addition fluidized baths and tube furnaces, At Weed Instrument, we have the to being ISO 9001:2000 registered standard platinum resistance experience, resources and technology we are compliant with 10CFR50 thermometers, and thermocouples. to meet and exceed your needs on Appendix B, 10CFR21, ANSI N45.2, Time response testing is in full time, every time – guaranteeing Total ASME NQA-1, ASME NCA3800, CSA compliance with ASTM E-644. Customer Satisfaction! Can3-Z299.1 and AS 9100 Many of our processes are propri-
Catalog RTDs and Thermocouples
Over 250,000 versions – and most can be shipped within
48 hours or less
Weed Instrument provides one of the choice of Magnesium Oxide (MgO) temperature measurement assemblies
world’s largest selections of catalog insulated thermocouples, in all thermo- can be pre-configured with one of our
RTDs and thermocouples. couple element types, for various economical, integral head mounted or
Our RTDs can be found globally in process and laboratory applications. DIN-rail temperature transmitters.
thousands of industrial, process and All our RTDs and thermocouples
OEM applications, wherever perform- can be supplied with your choice of • RTDs: -320 °F to 1700 °F
ance, reliability and economy are key element materials, values, accuracies (-200 °C to 927 °C)
considerations. and element leadwire configurations, • Strain Free, Wire Wound Elements
We offer thermocouples for virtually together with a variety of sheath • Thin Film Elements
every high temperature process appli- materials, lengths and diameters. We • Surface Mount Sensors
cation, including smelting and melting, also offer a wide selection of either • Thermocouples: -320 °F to 2300 °F
forging, heat treating, incineration and screwed or flanged thermowells in (-200 °C to 1260 °C)
cogeneration, and utility & waste boil- various materials for most process • Base Metal Types: J, K, T, E, N
ers. We also manufacture a wide fluids. In addition, all Weed Instrument • Noble Metal Types: R, S, B
• Other Types: M
Biopharmaceutical Autoclave Food & Beverage Temperature Temperature Temperature Measurement Measurement Measurement Weed Instrument sanitary RTDs, Weed Instrument manufactures a wide We offer one of the broadest lines of thermocouples, thermowells and selection of RTDs for Autoclave steril- 3A compliant RTDs, thermocouples, temperature transmitters have been izer applications in the pharmaceutical, thermowells and temperature transmit- designed to meet the environmental biotechnology and medical industries. ters for food and R and performance requirements of These RTDs eliminate all of the prob- beverage applica- pharmaceutical and biotech process- lems associated with standard probes tions. With a wide ing and sterilization applications. where the pressure and vacuum variety of sanitary Most sensors feature enhanced per- cycling of autoclaves forces moisture process connec- formance specifications and 316L inside the probe, resulting in incorrect, tions, chances are stainless steel materials and can be low temperature readings and reduced we have an “off the electropolished to a Ra of 0.2 life. shelf” model immediately available to microns (8 microinches). Also, per- Our Autoclave RTDs are completely meet your specific needs. manently etched tagging information sealed. As a result, the entire sensor and calibration certificates can be assembly of the Weed Instrument provided. Autoclave RTD, including the probe A line of patented temperature and cables extending from the RTD, sensors that can be removed for can be completely submerged in water recalibration or replacement, without without affecting accuracy or long-term interrupting the process, is also stability. available. Thermowells can be specified as weld-in or clamp style, with all 316L stainless materials and electropol- ished finishes. Weld-in thermowells can be supplied with material certifica- tions and permanently marked “heat numbers”.
Inventory Tank Aerospace, Marine HVAC Temperature
Gauging Temperature and Military Vehicle Measurement
Measurement Temperature
Measurement
Precise temperature measurement is For the Aerospace, Marine and Military Whatever your HVAC application, the
crucial for high accuracy monitoring of markets, Weed Instrument designs most efficient control solution always
product contained in bulk storage and manufactures high reliability ther- starts with the best sensors. Weed
tanks. Any fluctuation in temperature mocouples and RTDs. We precision Instrument HVAC sensors have
between two static measurements will wind our own platinum and nickel earned a global reputation for provid-
directly result in a deviation of meas- sensing elements, which allows us to ing exceptional reliability, performance,
ured volume, causing uncertainty. To produce non-standard resistance fast response and excellent value.
compensate for this, high accuracy curves and values - maximizing With one of the widest selections
temperature measurement must be performance for our customers. All available and over 35 years experi-
performed to derive standard volumes. elements are calibrated to NIST ence in the HVAC market, you can be
Our products for this application standards, and packaged to provide sure Weed Instrument is your right
include single point and multiple point exceptional accuracy, reliability, and temperature sensor partner. Our
temperature averaging sensors, pro- design flexibility for the harshest HVAC temperature measurement
viding the highest accuracy of temper- environments products include:
ature measurement over the entire Designed for high reliability and to
height of the tank. Associated instru- endure demanding shock, vibration • Duct Averaging Sensors with
mentation includes microprocessor and ambient environments, Weed Continuous Sensing Elements up
based analog and smart temperature Instrument RTDs and thermocouples to 50ft (15m)
transmitters and modular fiber optic can be found in these applications:
converters for tank data transmission. • Room Air Sensors and
Typical applications include: • Bleed Air Transmitters featuring Minimal
Self-heating Error
• Cabin Air
• Petroleum Storage
• Bendable Area Averaging Sensors
• Engine Oil up to 100ft (30m) Length
• Organic Liquids
• Gear Boxes
• Thermal Energy Storage • Spring Loaded Pipe Clamp
• Fuel Systems Sensors
• Cylinder Heads • Fluid Immersion Sensors
• Climate Control • Bolt-on Surface Sensors
• Hydraulic Systems • Outside Air Sensors
Custom RTDs and Thermocouples Temperature
for OEMs Transmitters
A full selection of economical, head
mount and DIN-rail temperature trans-
mitters is offered. Available certifica-
Weed Instrument knows how to of just temperature sensors. So, tions include FM, CSA, ATEX and GL
support OEMs – with strong whether your customization requires (ship building approval). Features
applications engineering, world class a simple redesign of an RTD or ther- include:
quality and low cost manufacturing mocouple, or the design and manu-
capability. facture of a complete housing and • 0.08% Accuracy
As a solutions company, we are electronics, you can count on Weed
committed to providing more than Instrument to be a reliable partner for • Full Input-Output Isolation
just catalog sensors and assemblies. value-added assembly.
Decades of application engineering • Custom Input/Linearization
provides the perspective and experi- Typical applications include: Capability
ence to quickly prototype, build and
deliver your selection of custom • Heat Tracing • Configurable via a PC or HART
quality temperature products. Communicator
Research and development teams • Waste Incinerators
simulate actual application environ- • T/C Inputs: B, C, D, R, S, E, J, K,
ments, perform comprehensive • High Pressure Downhole Logging L, N, T, U
environmental testing and evaluate
all pertinent electrical factors. • Fast Response Food Service • RTD Inputs: Pt100, Pt500, Pt1000,
Whether your requirement is for 10 Machines Ni100, Ni500, Ni1000.
or 100,000 units, you can count on
• mV Inputs: -10 to 75mV/Ohm
Weed Instrument to provide you with • Rubber Compound and Aggregate
Inputs: 10 to 2000 ohms
accurate, reliable and economical Mixers
sensors.
• Outputs: 4-20mA or 20-4mA
We also offer you the opportunity • High Pressure Hydraulic Line
with Optional HART Signal
to streamline your temperature Temperature
Superimposed.
sensor sourcing through value-added
assembly. To improve supply chain • Filter Systems
efficiency we can deliver you more
complicated sub-assemblies instead • Off-Road Vehicles
Accessories and Nuclear Qualified Plug and Play,
Connection Heads and Safety Related IEEE 1451.4
Class 1E Temperature Compatible
Products Technology
Most Weed
Instrument
temperature
measurement products can be sup-
plied with “plug and play” technology,
providing compatibility with the new
IEEE 1451.4 standard. As a result
they are recognizable to standard
based instrumentation and software.
This means our sensors are instantly
Weed Instrument offers a broad selec- Weed Instrument is the world’s largest identified and automatically begin
tion of accessories to assist in the supplier of nuclear qualified RTDs, functioning in seconds.
application of RTDs and thermocou- thermocouples and temperature In addition, everything you need to
ples. Options include connection transmitters. Today, 80% of North know about your sensor is immediate-
heads, thermowells, quick disconnect American nuclear power plants rely ly accessible...settings, calibration
plugs and jacks, sensor mounting fit- exclusively on our temperature history, even location. So now you can
tings and compensated terminal measurement instrumentation for be confident that the sensor’s critical
blocks. critical reactor coolant monitoring. data is accurate. It can even store its
We manufacture products that are own calibration certificate! The bene-
qualified for use in all of the leading fits of this technology include:
reactor technologies, including PWR,
BWR, CANDU (PHWR), and APWR • Faster Set Up Time
Our nuclear qualified temperature
instrumentation includes a complete • Increased Reliability
selection of sensors, thermowells and
transmitters qualified to IEEE-344 • Improved Accuracy
(seismic) and IEEE-323 (environmen-
tal) standards. • Open Standard Interoperability
Other Weed Instrument Products Nuclear Qualified Pressure Transmitters Weed Instrument supplies one of the broadest ranges of pressure transmit- ters for nuclear qualified applications. Most of the instruments are qualified to IEEE-323/344 and versions are offered for virtually every installation - from inside containment/harsh envi- ronment to applications requiring only seismic qualification or commercial grade. Models are available for the meas- urement of gauge, absolute or differ- ential pressure and output signals include 4-20 mA, 10-50mA, HART, FOUNDATION Fieldbus, Profibus and FoxCom. Fiber Optic Converters for Bus Systems and Serial Data Interfaces Weed Instrument is a world leader in the supply of Fiber Optic Networking equipment for Industrial Control, Process Control and Automation applications. We have over three decades of experience in fiber optic networking technology and offer the world’s largest selection of fiber optic converters for PLC’s and Distributed mission. Electrical noise, harsh envi- They can be used in almost any net- Control Systems. Weed Instrument ronments, long distances, work configuration, independent of fiber optic networking products are reliability/security, surge protection topology, and versions are available now installed in over 150,000 loops and corrosion issues are all easily for virtually every analog and digital worldwide. overcome with the simple, rugged and communication protocol. Fiber optics offers numerous advan- easy to install technology of Weed tages over copper based data trans- Instrument fiber optic products. Weed Instrument Company, Inc. 707 Jeffrey Way, P. O. Box 300 Round Rock, Texas 78680-0300 Phone: 800-880-9333 or 512-434-2900, Fax: 512-434-2901 E-Mail: temperature@weedinstrument.com www.weedinstrument.com Specifications subject to change without notice. Rev. 1, Pub: CAP-0409
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