Special Conditions Of Use (X Conditions) - WIKA TGU73.100 Operating Instructions Manual

3. Safety
Compliance with the permissible temperature range during operation
must be ensured by the operator.
The surface shown under "T
EN
for this. The temperature range at the connection piece of the case of
the temperature gauge is limited to -40 °C [-40 °F] ≤ T
[212 °F].

3.9 Special conditions of use (X conditions)

Due to the separation requirements of IEC 60079-11, the IS circuit and
the enclosure shall to be considered as being galvanically connected.
The functional separation is ensured. The gauge shall be included in
the equipotential bonding or grounding of the application via process
connection.
22
WIKA operating instructions gas-actuated thermometer, model TGU73.100
" in the following figure can be used
Ref
C
T-Ref
G
Ød4
Ød
≤ +100 °C
Ref