If it has to do with process temperature measurement, chances are Pyromation makes a sensor that is ideal for the application. From rugged industrial thermocouples to precisely-accurate RTDs, Pyromation has produced temperature sensors for most industry applications. For example, Pyromation makes:
Thermocouples
THERMOCOUPLES, THERMOCOUPLE ASSEMBLIES & REPLACEMENTS
Thermocouples are the most common, convenient, and versatile devices used to measure temperature. They convert units of heat into useable engineering units that serve as input signals for process controllers and recorders.
A thermocouple consists of a welded 'hot' junction between two dissimilar metals - usually wires - and a reference junction at the opposite end. Heating the 'hot' junction in the working environment produces a temperature gradient that generates an Electromotive Force (EMF). The EMF appears across the free ends of the thermocouple wires where it is measured and converted into units of heat calibration. Through selection of appropriate thermocouple wires and sheath components, thermocouples are suitable to be used in temperature ranges from (-200 to 2316) °C [-328 to 4200] °F.
Pyromation produces a wide range of thermocouples and thermocouple replacements for most market applications, including MgO (Magnesium Oxide), industrial and general-purpose types. We also make thermocouple assemblies for hazardous locations and other applications that require connection heads, protection tubes, thermowells and/or transmitters.
Looking for products by type? See our thermocouple types.
ACCESSORIES
Handheld Thermocouple Probes
BEARING SENSORS
Miniature Bearing Sensors
FOOD, DAIRY, AND PHARMACEUTICAL
(FD07) Penetration Style Sensors
(FD08) Penetration Style RTDs and Thermocouples
INDUSTRIAL
(ID01) Base Metal Elements
(ID02) Nobel Metal Elements
(ID05) Thermocouples w/Standard Service Protection Tubes
(ID06) Thermocouples w/Special Service Protection Tubes
(ID07) Angle Thermocouples w/Standard Service Protection Tubes
(ID08) Angle Thermocouples w/Special Service Protection Tubes
(ID09) Cerite-III® Thermocouples for Molten Aluminum
(ID10) High Temperature Assemblies
(ID13) Thermocouple Assemblies w/Ceramic Protection Tubes
(ID14) Thermometer Assemblies w/Double Protection Tubes
RESISTANCE TEMPERATURE DETECTORS (RTDS) & RESISTANCE THERMOMETERS
Resistance temperature detectors (RTDs), also known as resistance thermometers, accurately sense process temperatures with an excellent degree of repeatability and interchangeability of elements. The RTD is composed of certain metallic elements whose change in resistance is a function of temperature. In operation, a small excitation current is passed across the element, and the voltage, which is proportional to resistance, is then measured and converted to units of temperature calibration. The RTD measurement element is manufactured by winding a wire (wire wound elements) or plating a film (thin film elements) on a ceramic or glass core and sealing the element within a ceramic or glass capsule.
Since most resistance temperature detectors and resistance thermometers have a low initial resistance, often 100 ohms, and have a small change in resistance per unit of temperature range, the resistance of the lead wire is often compensated for with a three or four wire bridge configuration built into the measuring devices. By selecting the proper elements and protective sheathing, RTDs can operate in a temperature range of (-200 to 600) °C [-328 to 1112] °F.
Pyromation manufactures resistance temperature detectors and resistance thermometers for many industry applications. From single- or dual-element RTDs, PT100s-PT1000s, to Sanitary CIP configurations, we have the right RTD type for your job. If what you need is not available from our catalog, our product engineers will design an RTD measurement device for your specific application, including temperature sensor assemblies that require connection heads, thermowells and/or transmitters.
SPECIFIC APPLICATION RTDS
(FD09) Non-Intrusive Tank Sensors
PLASTIC
(PL02) General Purpose Plastic Industry RTDs
(PL04) Spring- or Armor-Adjustable Immersion RTDs
(PL06) Melt Bolt RTDs
(PL09) Threaded Nozzle RTDs
(PL11) Ring RTDs
(PL15) Flexible RTD Extensions
GENERAL PURPOSE
(RT01) Single and Duplex Element RTDs
(RT02) Single and Duplex Element RTDs
(RT03) Water-Tight RTD Assemblies w/Optional Series 450 Temperature Transmitters
(RT04) M12 Molded and Field Wireable Cables
SPECIAL PURPOSE
(SP02) FEP-Coated RTD Assemblies
(SP03) Heat Tracing Temperature Sensors
(SP06) RTD Averaging Sensor
(SP07) Thermostat Temperature Sensors
(SP08) Variable Length RTD Sensors
THERMOWELL PRODUCTS
A thermowell is a pressure-tight receptacle that protects and extends the life of a temperature sensor in processing applications where the sensor is not mechanically or chemically compatible with the process environment. Installed directly into piping systems, thermowells facilitate sensor replacement in high pressure pipelines and eliminate the need to interrupt the process flow or drain the process system for sensor maintenance functions. The use of standardized thermowells permits simple relocation of sensors throughout a plant.
Pyromation produces thermowells that have a proven track record in a wide range of industries and applications. Our product line includes threaded, Van Stone, socket-weld, weld-in and flanged thermowells. Thermowells are available as separate components or as a part of complete temperature sensor assemblies.
(TW01) Drilled Thermowells
(TW02) Flanged Thermowells
(TW03) Built-Up Protection Wells and Thermal Element Wells
THERMOWELL TYPES AVAILABLE
Standard-Duty Threaded Thermowells
Heavy-Duty Threaded Thermowells
Straight-Shank Threaded Thermowells
Limited Space Thermowells
Straight-Shank, Socket Weld Thermowells
Heavy-Duty, Socket Weld Thermowells
Reduced-Tip, Socket Weld Thermowells
Weld-In Thermowells
Sanitary Weld-In Thermowells
Standard Flanged Thermowells
Heavy-Duty, Flanged Thermowells
Reduced-Tip, Flanged Thermowells
Heavy-Duty Van Stone Thermowells
Straight Van Stone Thermowells
Reduced-Tip Van Stone Thermowells
Sanitary Connected Thermowells
W81 Series Sanitary Weld-In Thermowells
Transmitters
THERMOCOUPLE & RTD TEMPERATURE TRANSMITTERS
Temperature transmitters make it possible to send a scalable (4 to 20) mA signal from a temperature sensor to a control device without investing in long, expensive runs of thermocouple or RTD wire.
Pyromation carries programmable RTD and thermocouple temperature transmitters that can be mounted in the temperature sensor assembly connection head, or surface mounted using a DIN rail mounting clip. Some units offer a visual digital display that shows the current measured value. All are PC programmable and convert various signals into a scalable (4 to 20) mA analog output signal. We also carry transmitters programmable with Hart® protocol for various signal inputs. Depending on type, some of Pyromation’s thermocouple and RTD temperature transmitters are UL recognized components and/or CSA, ATEX and IECEx approved, including styles that are intrinsically safe, SIL-rated and approved for use in hazardous locations.
Pyromation temperature transmitters are used in many demanding industries including Pharmaceuticals, Oil & Gas, Power Generation, Chemical, Petrochemical, and Food, Beverage and Dairy.
Specific transmitter types and descriptions are given below. For ordering information, see our Catalog or Transmitter Order Codes.
T142 HART® FIELD TEMPERATURE THERMOCOUPLE/RTD TRANSMITTER
The T142 programmable HART® field temperature transmitter is a two-wire transmitter with analog output. It has measurement input for resistance thermometers (RTDs) in 2-, 3-, or 4-wire connections, thermocouples, and voltage signals. The transmitter is available with or without a digital display. The unit can be programmed with a PC or a HART® protocol handheld terminal. The backlit LC display indicates the current measured value numerically and has a bar graph with limit value violation indicator. The T142 is approved by CSA, ATEX/IECEx for Intrinsically Safe, Non-Incendive and Hazardous Location applications. There is also an optional Bluetooth® configuration. These transmitters are available in General-Purpose or Explosion-Proof aluminum housings.
T72 HART® PROGRAMMABLE THERMOCOUPLE/RTD TRANSMITTER
The T72 programmable HART® temperature transmitter is a two-wire transmitter with an analog output. It has measurement input for resistance thermometers (RTDs) in 2-, 3-, or 4-wire connections, thermocouples, and voltage signals. The transmitter can be programmed with a PC or HART® protocol hand-held terminal. This transmitter is available with or without a digital display, and can be mounted in a direct or remote general-purpose aluminum screw-cover housing. Certain configurations are specified with CSA-rated Intrinsically Safe and Explosion-Proof approvals for Hazardous Locations. There is also an optional Bluetooth® configuration. These small units can be mounted in Pyromation DIN (Form B) connection heads, or they can be used for surface mounting using a 35 mm DIN-rail mounting clip.
T71 PROGRAMMABLE THERMOCOUPLE/RTD TRANSMITTER
The T71 programmable RTD/thermocouple temperature transmitter is a two-wire transmitter with an analog output. It has measurement input for resistance thermometers (RTDs) in 2-, 3- or 4-wire connections, thermocouples, and voltage signals. Setting up of the transmitter is done using the communication cable. This transmitter is available with or without a digital display, and can be mounted in a direct or remote general-purpose aluminum screw-cover housing. Certain configurations are specified with CSA-rated Intrinsically Safe and Explosion-Proof approvals for Hazardous Locations. These small units can be mounted in Pyromation DIN (Form B) connection heads or they can be used for surface mounting using a 35 mm DIN rail mounting clip.
T31 PROGRAMMABLE RTD TRANSMITTER
The T31 programmable RTD temperature transmitter is a two-wire transmitter with an analog output. It has measurement input for Pt100 resistance thermometers (RTDs) in 2-, 3- or 4-wire connections. Setting up of the transmitter is done using the communication cable. CSA certified for use in specified Hazardous Locations. These small units can be mounted in Pyromation connection heads or they can be used for surface mounting using a 35 mm DIN rail mounting clip.
SERIES 450 - M12 PROGRAMMABLE INTEGRAL TEMPERATURE TRANSMITTER
The Series 450 Programmable Integral Temperature Transmitter is ideal for monitoring temperature in highly moist or corrosive environments and in small areas such as pipes and tanks. The unit consists of a 4-wire Pt100 (RTD) sensor, built-in (4 to 20) mA transmitter, and process connection. The integral design eliminates all external screw connections, simplifying the electrical installation process and solving the problems caused by moisture, loose connections, and corrosion. A "quick disconnect" M12 plug adapter connects the transmitter to a PC for ease of calibration, re-programming, and wiring accuracy.
SERIES T82 PROGRAMMABLE HART® THERMOCOUPLE/RTD TEMPERATURE TRANSMITTER
The T82 programmable HART® field temperature transmitter is a 2-wire unit with analog output. It includes input for RTDs: resistance inputs in 2-wire, 3-wire, and 4-wire connections; thermocouples and voltage signals. This transmitter is available with or without a digital display, and can be mounted in a direct or remote general-purpose aluminum screw-cover housing. The T82 can be programmed using a HART® protocol handheld terminal. When supplied with a digital display, the LCD display shows the current measured value. When specified, the T82 transmitter is available with an optional Safety Integrity Level Rating (SIL) for critical applications. Specified configurations have CSA, ATEX and IECEx ratings for Hazardous Location applications.
TRANSCOMM LIGHT: THERMOCOUPLE & RTD TEMPERATURE TRANSMITTER PROGRAMMING SOFTWARE
All Pyromation RTD temperature and thermocouple transmitters are programmable using the TransComm Light downloadable software package. Once you install this software on your computer, the instructions will guide you through the signal programming set-up, including HART® protocol when applicable, for various types of Pyromation temperature transmitters.
NEW PRODUCTS
Incorporating new technology, expanding an existing product line and adding new services are just a few of the ways Pyromation stays on the forefront of the process control marketplace. Check out the latest products and services offered by Pyromation.
MULTI-POINT TEMPERATURE SENSORS
Multi-Point Temperature Sensors Catalog Pages
THERMOCOUPLE & RTD CONNECTION HEADS (ELECTRICAL ENCLOSURES)
Thermocouple and RTD connection heads provide a protected, clean area for mounting a terminal block or transmitter as part of the transition from temperature sensor assembly to lead wire.
As a full-line manufacturer, Pyromation produces its own design-patented connection heads for its temperature sensor assemblies and other applications. The product line includes General-Purpose (GP) aluminum, plastic, stainless steel and cast iron connection heads, with NEMA 4X ratings for indoor or outdoor use. Pyromation's re-designed explosion-proof (XP), aluminum and stainless steel thermocouple and RTD connection heads are approved as individual components or as part of temperature sensing assemblies used in hazardous locations. Most of the line consists of screw-cover connection heads; however, the company also carries a flip-top aluminum head for easy-access, and a miniature-style connection head. Our thermocouple and RTD connection heads are designed to accommodate most terminal blocks and transmitters, including DIN Form B types. Specifications, ratings and drawings for each connection head are located in the designated catalog pages (see links to pages below).
As an added benefit, Pyromation provides private brand labeling of its thermocouple and RTD heads upon request. Connection heads are available as separate components or as a part of complete temperature sensor assemblies.
GENERAL-PURPOSE RTD & THERMOCOUPLE CONNECTION HEADS & OPTIONS
Pyromation's general-purpose, screw-cover connection heads are NEMA/IP66 rated for indoor or outdoor use providing protection against dust, rain, splashing and hose-directed water. These company design-patented thermocouple and RTD connection heads have easy access, one-turn caps, accept Pyromation 300 series and DIN terminal blocks and transmitters, and provide greater volume for ease of field wiring. When specified, the Series 31, 34 and 91 are rated for NEC Class I Division II locations. See the catalog for additional head descriptions and complete specifications.
Die-Cast Aluminum Screw-Cover GP Connection Heads(Order Codes)
Die-Cast Aluminum Screw-Cover GP Connection Heads(Specs)
Thermoplastic Screw-Cover GP Connection Heads(Order Codes)
Thermoplastic Screw-Cover GP Connection Heads(Specs)
Stainless Steel Screw-Cover GP Connection Heads(Order Codes)
Stainless Steel Screw-Cover GP Connection Heads(Specs)
Cast Iron Screw-Cover GP Connection Heads(Order Codes)
Cast Iron Screw-Cover GP Connection Heads(Specs)
HAZARDOUS LOCATION-RATED & DIN STYLE THERMOCOUPLE & RTD CONNECTION HEADS
The explosion/flame-proof connection heads listed below are designed for use in hazardous locations. These heads meet NEC Class I Division I and specific ATEX and IECeX approvals. Please refer to page AC-7 for descriptions, specifications and ratings for each head. See the &Overview of NEC Hazardous Location Classifications and Methods of Protection& table in the Explosion-Proof (XP) Sensors section of the Pyromation catalog for complete definitions of ratings.
Hazardous Location XP Connection Heads(Order Codes)
Hazardous Location XP Connection Heads(Specs)
DIN Style Screw-Cover Connection Heads(Order Codes)
DIN Style Screw-Cover Connection Heads(Specs)
DIE-CAST ALUMINUM FLIP-TOP THERMOCOUPLE & RTD CONNECTION HEADS
The 49 series flip-top aluminum connection heads listed below meet NEMA 4 requirements for indoor or outdoor applications. The 49 series flip-top aluminum heads utilize an EPDM O-ring seal with a maximum temperature rating of 400 ºF. The flip cover provides easy access to the terminals for wiring or maintenance. These connection heads accept the Pyromation 340 series terminal blocks, 400 series transmitters, and DIN Form B blocks and transmitters.
Die-Cast Aluminum Flip Top Connection Heads (Order Codes)
Die-Cast Aluminum Flip Top Connection Heads (Specs)
MINIATURE NICKEL-PLATED STEEL CONNECTION HEADS
The miniature nickel-plated connection heads listed below are for indoor or outdoor non-hazardous locations. They provide some degree of protection from dust, rain, and splashing water. The heads come standard with an O-ring moisture seal where the cap connects to the body, and a rubber grommet where the wire exits the cap. The nickel plating provides good corrosion protection. The 362 series connection heads are available with 1/8& NPT or 1/4& NPT process connections, along with 2-, 3-, or 4-terminal configurations.
Miniature Nickel-Plated Steel Connection Heads
Wire
THERMOCOUPLE WIRES, CABLES & EXTENSION WIRE | RTD CABLES & WIRES
Thermocouple grade wire is used in construction of a thermocouple temperature sensor. Thermocouple extension wire is used to carry the signal from the thermocouple sensor to the readout device while maintaining a high degree of accuracy. The extension wire material must match the material used in the positive and negative leg of the thermocouple type (e.g. type K) being used in the application. If a transmitter is installed within the thermocouple sensor assembly, copper wire is typically used in place of thermocouple extension wire to send the scalable (4 to 20) mA signal back to the process control equipment.
RTD sensors use ordinary copper instrumentation cable to send the resistance signal back to the recording, readout or control device. If a transmitter is installed within the RTD sensor assembly, copper wire is typically used to send the scalable (4 to 20) mA signal back to the process control equipment.
Pyromation stocks and sells a variety of sizes and gauges of thermocouple grade and extension wire, as well as wire insulators. We also offer special construction thermocouple wire and RTD cable, including multi-pair thermocouple extension wire.
Thermocouple and extension wires are generally ordered and specified by ASTM/ANSI designations for calibration.
Popular generic and trade name examples are:
Chromel®/Alumel® - ASTM/ANSI Type K
Iron/Constantan - ASTM/ANSI Type J
Copper/Constantan - ASTM/ANSI Type T
Chromel®/Constantan - ASTM/ANSI Type E
Nicrosil®/Nisil® - ASTM/ANSI Type N
Platinum/Platinum (10% Rhodium) - ASTM/ANSI Type S
Platinum/Platinum (13% Rhodium) - ASTM/ANSI Type R
Platinum (6% Rhodium)/Platinum (30% Rhodium) - ASTM/ANSI Type B
ANSI LIMITS OF ERROR FOR THERMOCOUPLE WIRE AND EXTENSION WIRE
Unless otherwise specified, all thermocouple wire and extension wire is supplied to meet either Standard or Special Limits of Error per ASTM/ANSI E - 230.
THERMOCOUPLE WIRE INSULATION COLOR CODING
Standard ASTM/ANSI color coding is used on all insulated thermocouple wire and extension wire when type of insulation permits. In color coding, the right is reserved to include a tracer to distinguish the calibration.
THERMOCOUPLE WIRE & EXTENSION WIRE SOLID AND STRANDED CONDUCTORS
Thermocouple wire and extension wire are usually solid conductors. When greater flexibility is required, either are available in stranded construction. See our catalog for stranding combinations used in Pyromation wire. Other stranding combinations may be ordered to suit requirements.
THERMOCOUPLE WIRE & EXTENSION WIRE CALIBRATING, CHECKING, AND TAGGING
Pyromation thermocouple wire and extension wire is available calibrated, "checked and tagged" when so specified, at an extra charge. Wires of this classification are within the Standard Limits of Error but, most important, their specific departure at temperatures specified is known and can be taken into account. Each thermocouple, coil, reel, or spool of wire is checked and tagged to show the departure from the curve. Single conductors will be calibrated to show their EMF values versus pure platinum, with a 0 °C [32 °F] reference junction unless otherwise specified. Thermocouples and wire samples sent to the factory for evaluation must be at least 36" long.
The temperature range for all checking and selecting is from 0 °C [32 °F] to 1371 °C [2500 °F], depending on type and gauge of wire. Subzero checking to -79 °C [-110 °F] and high temperature rising from 1371 °F [2500 °F] to 1649 °C [3000 °F] is available. Calibration can also be accomplished at standard check points such as boiling points of helium, oxygen, and nitrogen.
STOCK & NON-STOCK INSULATED THERMOCOUPLE & EXTENSION WIRE
'Stocked' insulated thermocouple and extension wire is available in "standard packaging": 50 ft. coils - 100 ft. coils - 250 ft. spools - 500 ft. spools - 1,000 ft. spools. Coils or spools of less than 1,000 ft. packaged in nonstandard lengths are available at an additional charge and may result in a delay in shipment. Spools or reels of over 1,000 ft. can be supplied at no extra charge, but may also result in a delay in shipment.
'Non-stocked' insulated thermocouple and extension wire in 1,000 ft. spools and over is available at no additional charge. Coils or spools of less than 1,000 ft. are available at an additional charge. Minimum order is 100 ft.
SPECIAL CONSTRUCTION THERMOCOUPLE WIRE, RTD WIRE & RTD CABLES
Pyromation offers and stocks several special construction thermocouple wire and RTD cables for process applications. Because of their specialized construction, they have been used in many unusual applications to solve problems where standard "off-the-shelf" wire and cable would not suffice.
ACCESSORIES
Pyromation offers the support products needed to install and maintain your temperature sensor assemblies. From jacks, terminals and plugs to pipe nipples, clamps, bushings and other fittings, we always have inventory available for shipment. Connection heads and transmitters are two of the larger accessories we carry in stock, but we also keep a variety of coiled cords, grips and flexible armor on hand.
RTD AND THERMOCOUPLE PLUGS & JACKS
We supply standard and miniature RTD and thermocouple plugs and jacks, as well as mounting hardware and panels for FS conduit box mounting. See the catalog pages below for details.
Standard and Miniature Plugs and Jacks
Standard and Miniature Jack Panels
THERMOCOUPLE & RTD TERMINAL BLOCKS
The thermocouple & RTD terminal blocks shown in the catalog page link below fit all Pyromation series 31, 34, 49, 63, 91 and 800 series connection heads. The terminal blocks are provided with a steatite ceramic base, brass terminal pieces, and stainless steel screws. These thermocouple & RTD terminal blocks are not rated for high voltage use, but can be used in temperature sensor or low voltage Class 2 circuits. Series 341 and 342 terminal blocks accept up to an #8 gauge wire, and the series 343 accepts up to a #12 gauge wire.
DIN Style Ceramic Cylinder Blocks
HANDHELD THERMOCOUPLE PROBES
Hand pyrometer thermocouple probes are suitable for use in many process and laboratory applications for spot checking temperatures of a variety of products and air flows. The probes are designed for use with Pyromation's and other manufacturers' handheld pyrometers. All probes are supplied with retractable, coiled cordset leads with an expandable length of 5 feet.
Handheld Thermocouple Probes
MISCELLANEOUS THERMOCOUPLE & RTD ACCESSORIES
Compression Fittings
Pipe Bushings, Flanges, Nipples, and Hex Fittings
Bare Wire, Insulators, and Alloy Terminals
Plastic Industry Sensor Accessories
Miscellaneous Accessories
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