Commissioning, Operation - WIKA TR31-3 Manual De Instrucciones

4. Transport ... / 5. Commissioning, operation
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 enclosures. Connections must only
be opened once the instrument has been depressurised and
has cooled down.
Maximum permissible temperatures:
At case with transmitter: 85 °C [185 °F]
With directly connected cable: -20 ... +80 °C [-4 ... +176 °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]
1) Version with mineral-insulated sheathed cable can be used up to 300 °C [572 °F].
5.1 Mounting
These resistance thermometers are designed for screw-fitting directly
into the process. The insertion length, along with the flow velocity and
viscosity of the process media, may reduce the max. loading on the
thermowell.
The housing must be grounded against electromagnetic fields and
electrostatic discharge. It is not necessary to connect the housing
WIKA operating instructions models TR31-3, TR31-K
EN
1)
1)
13