Special Conditions For Safe Use - WIKA TR10-0 Manual De Instrucciones

7. Safety-related instructions

7.2 Special conditions for safe use

1. The ambient temperature limits are:
CSA, T6:
CSA, T5:
CSA, T4:
FM class/division, T6: -25 ... +40 °C [-13 ... +104 °F]
2. Care shall be taken to ensure that any external sources of heating or cooling do not cause
the assembly to operate outside of the allowable ambient temperature range.
3. All cable entry devices shall be suitably certified and compatible with the type of
protection used.
4. Where nipples, unions and/or couplers are used for sensor connections, they shall be
suitably certified and be compatible with the marking of this assembly. Nipples shall have
a maximum length ≤ 15.24 cm [6 in].
5. For ambient temperatures above 70 °C [158 °F], care shall be taken to select cable that is
suitably rated for the intended ambient temperature range.
Thermowell
(minimum wall thickness 1 mm)
Legend:
 Connection head
 Neck tube
 Connection to thermowell/protection tube
 Measuring insert
WIKA operating instructions models TR10-0, TC10-0 (FM, CSA)
-50 ... +60 °C [-58 ... +140 °F]
-50 ... +75 °C [-58 ... +167 °F]
-50 ... +85 °C [-58 ... +185 °F]
Protection tube
(minimum wall thickness 1 mm)
 Process connection
 Terminal block/transmitter
 Flame path fitting
Without thermowell/
protection tube
Welded bushing
welded
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EN