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Process Control Instruments, Field Devices and Industrial Automation
         
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Online Shop for Process Instrumentation by Endress+Hauser supported by our 20+ years of experience with PLC-based industrial automation and control instrumentation.

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SKU#(163) Be the First to Review this Item

ENDRESS-HAUSER  TH12-A1AAA1A1AK1

TEMPERATURE / RTD SENSORS
GENERAL PURPOSE

$105.66     Availability: 8 Days
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ENDRESS-HAUSER TH12-A1AAA1A1AK1 (1)
  • Overview
  • Benefits
  • Specs
  • Related
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EH TH12 US style RTD sensor with cable probe designed for use in the process industry or factory automation. Mineral or PTFE insulated probe. Up to 4.877 mm immersion length. NPT Process Connection. CE Mark and CSA GP approved.

Part# with Options:        TH12-A1AAA1A1AK1
Price with Options:        105.66

Options:    

Process Connection
(1) Process Connection for EH TH12
Immersion Length
(2) Immersion Length for EH TH12
Diameter & Sheat Material
(3) Diameter & Sheat Material for EH TH12
Sensor Type
(4) Sensor Type for EH TH12
Wire Length B
(5) Wire Length B for EH TH12
Wire Type
(6) Wire Type for EH TH12
Leadwire Termination
(7) Leadwire Termination for EH TH12
Additional Option
(8) Additional Option for EH TH12

  Availability 8 Days  ]

General purpose RTD with terminal head or conductor extension lead wires for process and laboratory applications

Application

The TH11 and TH12 temperature sensors are RTDs designed for use in the process industry or factory automation type of environment. They consist of a measurement probe with a RTD, insulation and sheath. Among other applications the sensors can be used on:

  • Heat exchangers, power & recovery area
  • Carbon regeneration furnace or dryers
  • Flue Gas, compressor stations
  • Process reactors
Head transmitter

All Endress+Hauser transmitters are available with enhanced accuracy and reliability compared to directly wired sensors. Easy customizing by choosing one of the following outputs and communication protocols:

  • Analog output 4 to 20 mA, with or without HART
  • PROFIBUS PA
  • FOUNDATION FieldbusTM
Field transmitter

Temperature field transmitters with HART or FOUNDATION FieldbusTM protocol for highest reliability in harsh industrial environments. Blue backlit display with large measured value, bargraph and fault condition indication for ease of reading.

Your benefits
  • High flexibility due to modular assembly with standard terminal heads and customized immersion length
  • One source shopping for temperature measurement solutions. World class transmitter with integrated sensor offering for heavy process industry applications. Remove and install straight out of the box!
  • Improved galvanic isolation on most devices (2 kV)
  • Simplified model structure: Competitively priced, offers great value. Easy to order and reorder. A single model number includes sensor and transmitter assembly for a complete point solution
  • All iTEMP transmitters provide long term stability ≤ 0.05 % per year
  • Fast response time with reduced/tapered tip form
Measuring Principle

These resistance thermometers use a Pt100 temperature sensor according to IEC 60751. The temperature sensor is a temperature-sensitive platinum resistor with a resistance of 100 Ω at 0 C (32 F) and a temperature coefficient α = 0.003851 C -1 .

There are generally two different kinds of platinum resistance thermometers:
  • Wire wound (WW): Here, a double coil of fine, high-purity platinum wire is located in a ceramic support. This is then sealed top and bottom with a ceramic protective layer. Such resistance thermometers not only facilitate very reproducible measurements but also offer good long-term stability of the resistance/temperature characteristic within temperature ranges up to 600 C (1 112 F). This type of sensor is relatively large in size and it is comparatively sensitive to vibrations.
  • Thin film platinum resistance thermometers (TF): A very thin, ultrapure platinum layer, approx. 1 μm thick, is vaporized in a vacuum on a ceramic substrate and then structured photolithographically. The platinum conductor paths formed in this way create the measuring resistance. Additional covering and passivation layers are applied and reliably protect the thin platinum layer from contamination and oxidation, even at high temperatures.

The primary advantages of thin film temperature sensors over wire wound versions are their smaller sizes and better vibration resistance. A relatively low principle-based deviation of the resistance/ temperature characteristic from the standard characteristic of IEC 60751 can frequently be observed among TF sensors at high temperatures. As a result, the tight limit values of tolerance category A as per IEC 60751 can only be observed with TF sensors at temperatures up to 200 C (392 F).

Measuring Principle Resistance Temperature Detector
Characteristic / Application US style
cable probe
process connection as compression fitting
without neck
Thermowell / protection tube without (not intended to be used with thermowell)
Insert / probe mineral insulated (MI), flexible
PTFE-insulated, rigid
Outer diameter protection tube 1/8'' (3,18 mm)
3/16'' (4,76 mm)
1/4'' (6,35 mm)
3/8'' (9,53 mm)
Max. immersion length on request up to 4.877 mm (192,00'')
Material protection tube/ thermowell 1.4401 (316)
Process connection compression fitting:
NPT1/8"
NPT1/4"
Tip shape straight
reduced
Surface roughness Ra Not defined
Operating temperature range PT 100:
-200 C ... 600 C
(-328 F ... 1.112 F)
Max. process pressure (static) at 20 C: 40 bar (580 psi)
Accuracy class A acc. to IEC 60751
class B acc. to IEC 60751
Response time 63% rt = 2,0 s
Integration head transmitter yes (4 20 mA; HART; PROFIBUS PA; FOUNDATION FIELDBUS)


  • TEMPERATURE TRANSMITTERS (WITHOUT SENSOR) > HAZARDOUS LOCATIONS
    TMT142-A111AAAAA1 EH iTEMP TMT142 Temperature field transmitter for transformation of RTD sensors and thermocouples signals into stable and standardized output signals. HART communication. Backlit Display. ATEX, FM, CSA and IECEx Approvals. Sensor not included...


  • TEMPERATURE HEAD TRANSMITTERS (WITHOUT SENSOR) > HAZARDOUS LOCATIONS
    TMT182-AAAAA EH iTEMP TMT182 Temperature head transmitter for transformation of RTD sensors and thermocouples signals into stable and standardized output signals. HART communication. Swift and easy operation, visualization and maintenance by PC. UL, ATEX, FM, CSA and ..



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