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Endress+Hauser

TH51 Modular TC thermometer, US style

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TH51 Modular TC thermometer, US style series
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Description

Application

The TH51 Modular TC thermometer is highly versatile, suited for numerous industrial applications across various sectors. It’s particularly effective in heat exchangers, furnaces, dryers, process reactors, and similar environments. With an optional head transmitter, it forms a comprehensive unit, enhancing measurement accuracy and reliability. Its direct-contact measurement design eliminates the need for a thermowell, enabling faster response times. The range of process connections and dimensions further provides flexibility for a wide array of uses.

Magnesium oxide (MgO) insulated thermocouples, often called MgO thermocouples, are widely used in both process and laboratory applications due to their beneficial properties, making them ideal for general and specialized purposes.

The TH51 sensors are applicable in:

  • Heat exchangers
  • Power and recovery areas
  • Furnaces
  • Dryers
  • Flue gas monitoring
  • Compressor stations
  • Process reactors
  • Metallurgical and glass production

 


Benefits

This thermometer offers an all-in-one solution for temperature measurement needs. With a world-class transmitter integrated with the sensor, the unit is ready for immediate installation right out of the box.

  • Enhanced galvanic isolation on most devices (up to 2 kV)
  • Simplified model structure, making it competitively priced and easy to order and reorder
  • A single model number covers the complete sensor and transmitter assembly, delivering a seamless point solution
  • iTEMP® transmitters offer long-term stability, with accuracy maintained at ≤ 0.05% per year

 

SPECIFICATIONS

Thermometer Specifications

Measuring principle

 

Thermocouple

 

Characteristic / Application

 

US style

modular temperature assembly

threaded process connection

 

Thermowell / protection tube

 

without (not intended to use with thermowell)

 

Insert / probe

 

mineral insulated (MI), flexible

 

Outer diameter protection tube / Insert

 

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 96" (2.438 mm)

others on request

 

Material protection tube/ thermowell

 

316

Alloy 600

 

Optional coating

 

Not applicable

 

Process connection

 

male thread:

G1/2"

NPT1/2"

compression fitting:

NPT1/8"

NPT1/4"

 

Tip shape

 

straight

 

Surface roughness Ra

 

Not defined

 

Operating temperature range

 

Type T:

-270 °C ...400 °C

(-454 °F ...752 °F)

Type J:

-210 °C ...1.200 °C

(-346 °F ...2.192 °F)

Type E:

-270 °C ...1.000 °C

(-454 °F ...1.832 °F)

Type K:

-270 °C ...1.372 °C

(-454 °F ...2.500 °F)

Type N:

-270 °C ... 1.300 °C

(-454 °F ...2.372 °F)

 

Max. process pressure (static)

 

at 20°C: 250 bar (3.626 psi)

depends on configuration

 

Accuracy

 

Standard acc. to ASTM E-230

Special acc. to ASTM E-230

 

Response time

 

63% rt = 0.3 s

 

Integration head transmitter

 

yes (4 … 20 mA; HART; PROFIBUS PA; FOUNDATION FIELDBUS)

 

Ex - approvals

 

transmitter only

FM IS

CSA IS

FM/CSA IS

 

Certification

 

SIL (transmitter only)

 

 

Documents

You may want to read this product's catalog. If so, please click to view the Endress+Hauser TH51 Series datasheet.
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