EN
14073818.10 05/2021 EN/DE/FR/ES
12
WIKA operating instructions model TR33
Store the instrument in its original packaging in a location that fulfils the
conditions listed above. If the original packaging is not available, pack
and store the instrument as described below:
1. Wrap the instrument in an antistatic plastic film.
2. Place the instrument, along with shock-absorbent material, in the
packaging.
3. If stored for a prolonged period of time (more than 30 days), place a
bag containing a desiccant inside the packaging.
5. Commissioning, operation
WARNING!
Avoid putting any mechanical loading on the electrical
connections and on the cases. Connections must only be
opened once the instrument has been depressurised and has
cooled down.
Maximum permissible temperatures:
■
At the case with transmitter: 85 °C [185 °F]
■
Class A:
Without neck tube -30 ... +150 °C [-22 ... +302 °F]
With neck tube -30 ... +250 °C [-22 ... +482 °F]
■
Class B:
Without neck tube -50 ... +150 °C [-58 ... +302 °F]
With neck tube -50 ... +250 °C [-58 ... +482 °F]
5.1 Mounting
These resistance thermometers are designed for screw-fitting directly
into the process. The insertion length, along with the flow rate and
viscosity of the process media, may reduce the max. loading on the
protection tube.
If the resistance thermometer is to be operated in an additional
protection tube, a spring-loaded compression fitting must be used.
The case must be grounded against electromagnetic fields and
electrostatic charge. It is not necessary to connect the case separately to
4. Transport ... / 5. Commissioning, operation
Summary of Contents for TR33
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Page 98: ...FR 14090084 10 05 2021 EN DE FR ES 98 WIKA mode d emploi type TR33 ...
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