General Information; Design And Function - WIKA TR12-A Mode D'emploi

1. General information / 2. Design and function

1. General information

The thermometers described in the operating instructions have been manufactured
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using state-of-the-art technology.
EN
These operating instructions contain important information on handling the instrument.
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Working safely requires that all safety instructions and work instructions are observed.
Observe the relevant local accident prevention regulations and general safety
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regulations for the instrument's range of use.
Skilled personnel must have carefully read and understood the operating instructions
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prior to beginning any work.
Subject to technical modifications.
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Further information:
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- Internet address:
- Relevant data sheet:
- Application consultant: Tel.: +49 9372 132-0

2. Design and function

2.1 Description
The model TR12-B (resistance thermometer) and model TC12-B (thermocouple) electrical
thermometers consist of a module (TR12-M, TC12-M) which is built into a case. The
module is made up of a spring-loaded measuring insert (TR12-A, TC12-A) built into a neck
tube. The measuring insert (TR12-A, TC12-A) is replaceable.
The active measuring component of the measuring insert is manufactured from a welded
tube or from mineral-insulated cable, optionally in combination with ceramic-insulated
thermocouple wires. The sensor is embedded in ceramic powder, heat-resistant potting
compound, cement compound or thermally conductive paste.
If the temperature sensor is designed as a grounded thermocouple, the thermocouple
is joined directly to the sheath. Versions with a diameter smaller than 3 mm and with
grounded thermocouples should be considered as galvanically connected with earth
potential.
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www.wika.de / www.wika.com
TE 60.16 (TR12-A)
TE 60.17 (TR12-B, TR12-M)
TE 65.16 (TC12-A)
TE 65.17 (TC12-B, TC12-M)
Fax: +49 9372 132-406
info@wika.com
WIKA operating instructions models TR12, TC12