KOBOLD temperature assemblies comprise a rugged installation fitting made of stainless steel with thread, flange or weld-on process connection, a connection head and a measuring element.
A Pt100 temperature sensor according to IEC60751, class F0.15 (A), F0.1 (1⁄3 DIN), F0.03 (1⁄10 DIN) or cryogenic is filled in the measuring element. On request, the measuring element can be removable, allowing to remove the measuring element without interrupting the process as the customised thermowell remains in the installation and seals the process.
Alternatively these sensors can be designed as single or double resistance thermometers, except the 4-wire version, which can only be built with one Pt100 due to lack of space.
As an option the resistance thermometers can be supplied with a head transmitter. Transmitter with a standard 4-20 mA signal, with HART® protocol or with Profibus®/Fieldbus® are there to choose from.
Head Transmitter
Resistance thermometers with head transmitter are used whenever a measuring signal must be transported long distance without any disturbance.
The head transmitter, which is encapsulated in epoxy resin, is located right in the connection head and delivers a temperature-linear output signal of 4-20 mA. The head transmitter is available with standardised communication systems just like HART® protocol or Profibus®/Fieldbus®.
Applications
- HVAC
- Machinery
- Chemical and petrochemical industries
- Heating /cooling processes
- Industrial uses in general
The resistance thermometers with thread and flange connection are favourably used for the temperature measurement in liquids, solids and gaseous media. The reliable water tightness of these installation methods for gauge pressure and vacuum is an important criterion for selection.
Product Specifications
Measuring range
-198 ... +600 ºC
Pt100 sensor
class F0.3 (B), class F0.15 (A), F0.1 (1⁄3 DIN), F0.03 (1⁄10 DIN) or cryogenic
Output
resistance or
analogue 4 ... 20 mA
Option
head transmitter with HART® -protocol or Profibus® /Fieldbus®, display
Protection tube / measuring insert material:
stainless steel 1.4404, others on request
Product Features
Removable measuring element, no process interruption
Optional encapsulated head transmitter
Standard communication protocols
Common applications: HVAC, machinery, chemical, petrochemical, and general industrial use.
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