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Special Conditions Of Use (X Conditions) - WIKA TR31-3 Betriebsanleitung

Oem-miniatur-widerstandsthermometer (ex i)
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9. Information on mounting and operation ...

9.1.1 Special conditions of use (X conditions)

1. Thermal backflow from the process, that exceeds the permissible
ambient temperature of the transmitter or the cases, must not be
allowed to occur and must be prevented by the installation of suitable
EN
heat insulation or a neck tube of suitable length.
2. The wall thickness is bigger than 0.2 mm and smaller than 1 mm. Thus
the instruments must not be subjected to ambient stresses that may
have an adverse effect on the partition wall. Alternatively, a thermowell
of suitable minimum wall thickness may be used.
3. When using a thermowell/neck tube, the overall instrument
must be designed such that it allows installation in a way that
results in a sufficiently tight clearance (IP 67) or a flameproof gap
(EN/IEC 60079-1) towards the less hazardous area.
4. The ambient temperature range (T
connection cable with moulded M12 x 1 connector is limited to
-20 ... +80 °C.
5. The ambient temperature range (T
EN 175301 M12 adapters is limited to -40 ... +85 °C.
28
WIKA operating instructions models TR31-3, TR31-K (Ex i)
) for variants with optional
a
) for variants with optional
a

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Diese Anleitung auch für:

Tr31-k

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