Series 12-THD

Weld-in thermocouples with protective sheath, form 4

Product characteristics

Application

General temperature measurement in liquid and gaseous media (air, steam, water, oil, etc.) at high flow velocities and/or high pressures

Temperature range

Up to +450°C

Advantages

  • Special weld-in sleeves suitable for pressures up to 700 bar
  • Guideline values for load capacity can be taken from the diagrams of DIN 43772

Sheathed measuring insert

  • Thermocouples type K, J, N
  • Sheath materials 2.4816, 1.4571, 1.4841
  • Single and double configurations available
  • Various sheath diameters from 2.0 to 6.0 mm available
  • Thermoelectric voltages and tolerances of the thermocouples comply with DIN EN 60584

Design / Construction

  • Various terminal heads available
  • The fittings of this assembly are equipped with replaceable sheathed measuring inserts
  • Extension necks according to DIN 43767 made of stainless steel
  • Weld-in protective tubes made of solid material, according to DIN 43772 Form 4 (other forms also available as an option)

Mounting / Process connection

  • Mostly welded leak-tight directly into the pipeline or vessel
  • Optional additional blind flange according to DIN EN 1092-1 (various sizes available)

Areas of application

  • AutomobilindustrieAutomotive industry
  • ChemieindustrieChemical industry
  • EnergieerzeugungEnergy production
  • LebensmittelindustrieFood industry
  • HKLHVAC
  • IKON Wasserstoff-HandlingHydrogen handling
  • IndustrieofenbauIndustrial furnace construction
  • Laborien und PharmaindustrieLaboratories and pharmaceutical industry
  • Maschinen und GeräteMachines and devices
  • RohrleitungenPipelines
  • Anlagen und MaschinenbauPlant and Mechanical engineering
  • GefrierkammernRefrigeration and freezing chambers
  • Eisen- und StahlindustrieSteel and iron industry
  • Tanks und BehälterTanks and containers
  • Abfallverwertung und RecyclingWaste processing and Recycling
12-10002317-0260 12-10011299-0200/0140 12-10020007-0090/0050 12-10020007-0200.RBB 12-10020007-0200/0100 12-10020007-0200/0140 12-10020007-0200/0145.K.V.MU 12-10020007-0200/1100 12-10020007-0255/0145.K.V.MU 12-10020007-0405/0145.K.V.MU 12-10020007-REF 12-10020017-0130/0130 12-10020017-0130/0450 12-10020017-0140/0140 12-10020017-0165/0140 12-10020017-0190/0310 12-10020017-0200/0140 12-10020017-0260/0140 12-10020017-0260/0165 12-10020017-0260/0280 12-10021107-0200/0120 12-10021117-0200/0120 12-10021137-0200/0140 12-10021207-0200/0140 12-10021217-0200/0140 12-10022107-0200/0145.K.V.MU 12-10022107-0200/0150 12-10022117-0200/0140 12-10022299-0200/0140 12-10022307-0260/0145.K 12-10022307-0260/0145.K.V.MU 12-10023205-0200/0140 12-10023317-0260/0150 12-10029907-0410/0100.DU 12-10029907-0410/0145.K 12-10029907-0410/0145.K.V.MU 12-10029917-0410/0100.DU 12-10040005-0200/0400 12-10040015-0170/0440 12-10040045-0200/0200 12-10042605-0115/0050 12-10050007-0176/0145.K 12-10090017-0187/0150.V1 12-10090017-0450/0150.V1 12-200113007-0260/0140 12-20020007-0200/0140 12-20020007-0200/0140.OMU 12-20020017-0200/0140 12-20020017-0200/0165 12-20020017-0200/0200 12-20020037-0200/0095.EN 12-20021307-0260/0140 12-20022207-0200/0165 12-20023237-0200/0140 12-20023247-0200/0140 12-20023317-0260/0250 12-20030005-0200/0050 12-20040005-0200/0140 12-20040005-0260/0250 12-20040005-0270/0240 12-22322300-0230/0050 12-22322300-0260/0050 12-30020007-0200/0140.5334A 12-30020007-0200/0140.5335A 12-30020007-0200/0140.LK 12-30020007-0260/0140.5334A 12-30020017-0140/0160.V1 12-30020017-0200/0185.HAN7 12-30020017-0200/0200.FW 12-30020017-0260/0160.V1 12-30020017-0260/0200.FW 12-30021217-0200/0140 12-30022207-0200/0050 12-30040005-1610/1400.V1 12-30041047-0140/0140 12-70020006-0115/0295YCB 12-70020007-0115/0295YCB 12-70020007-0140/0250 12-70020007-0190/0150 12-70020007-0210/0165YDA 12-70020007-0260/0140 12-70020007-0260/0200 12-70020007-0450/0120 12-70020017-0200/0140 12-70020017-0200/0165.OMU 12-70020017-0200/0165.PCPH 12-70020017-0200/0165YIA 12-70020017-0200/0245.OMU1 12-70020017-0200/0250YIA 12-70020067-0100/0150YDA 12-70020067-0140/0110YDA 12-70020067-0450/0120 12-70020067-0450/0120YDA 12-70021017-0140/0140 12-70021017-REF 12-70021207-0200/0150.V1 12-70021307-0260/0260 12-70022067-0140/0040YDA 12-70022067-0140/0110YDA 12-70022067-0140/0150YDA 12-70022207-0200.MU1 12-70024207-0200/0140.EM 12-70024231-0200/0140.EM 12-70029907-0200/0100YCB 12-70030005-0200/0150.TT51 12-70040005-0065/0140YAA 12-70040005-0190/0150 12-70040005-0195/0120YDB 12-70040005-0200/0050YAB 12-70040005-0200/0100YAB 12-70040005-0200/0120YDB 12-70040005-0200/0200YAB 12-70040005-0200/0295.MU 12-70040005-0200/0295.MU.HAN7D 12-70040005-0261/0295.MU 12-70040005-0261/0295.MU.HAN7D 12-70040005-0300/0140 12-70040005-0650/0120YAA 12-70040015-0200/0250.OMU 12-70049905-0065/0140YAA 12-70049905-0082/0120YDB 12-70049905-0082/0120YDC 12-70049905-0142/0120YDC 12-70090005-0194/0165.MU 12-70090006-2400/0100YSB 12-70090006-4050/0100YSB 12-70090006-6350/0100YSB 12-70090006-8000/0100YSB 12-90020007-0200/0140.V1 12-99120001-0205/0175 12-99120010-0200 12-99120013-0200 12-99120030-0200/0140 12-99120031-0300/0140 12-99120032-0200/0310

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Accessories and spare parts

Teaser Anschlussköpfe

Con­nec­tion heads

For thermocouples and resistance thermometers
Teaser Temperaturtransmitter

Tem­pe­ra­tu­re trans­mit­ters

Temperature transmitters for different requirements
Teaser Anschlusssockel

Con­nec­tion sockets

Ceramic connection base for noble and base thermocouples
Teaser Mantelmesseinsätze

Sheath mea­su­re­ment inserts

Sheath measurement inserts with resistance thermometers and thermocouples
Teaser Thermo-, Ausgleichs- und Kupferleitungen

Ther­mal, com­pen­sa­ting and cop­per cables

Connection cables in many different designs

Enquiry & Contact

Your application -
our solution

Are you looking for custom temperature sensors rather than a standard solution? We are your specialist for tailor-made temperature measurement technology.
Contact us – together, we will develop the perfect solution for your process.

Downloads

Information Material &
Technical Data

In our download area, you will find all brochures, data sheets, and operating instructions. Customer-relevant certificates and documentation can also be found here.

News

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glasstec 2026

glass­tec 2026

From October 20 to 23, 2026, the time has come again: we look forward to welcoming you at glasstec 2026. You will find us in Hall 14 at booth E02.
HärtereiKongress 2026

Här­te­rei­Kon­gress 2026

From October 13 to 15, 2026, we will be exhibiting at the Heat Treatment Congress 2026 in Cologne. You will find us in Hall 10.2 at booth D-049. We look forward to your visit!
MEORGA Ludwigshafen 2026

MEORGA MSR Spe­cia­li­sed Trade Fair

On September 16, 2026, you can find us at the MEORGA trade fair in Ludwigshafen. We look forward to welcoming you at our joint booth together with our business partner PR electronics.