Wika TR10-A Uživatelský manuál stáhnout pdf (Strana 27)

WIKA operating instructions RTD and TC, intrinsically safe designs (Ex i)

3345267.12 01/2014 GB/D

7.3.2 Increasing the separation of the connection components and hot surfaces

The neck distance (N) is dened as the distance between the lower edge of the connection head

(or the housing) to the heat-emitting surface. The temperature to be expected at the lower edge

of the connection head or housing is, at most, 100 °C. The conditions for built-in transmitters or

displays must be observed. If required, the neck length must be increased accordingly.

For thermometers tted with a connection lead, the temperature at the interface with the

connecting cable is restricted. The maximum is 150 °C. To ensure that the permissible

temperature is not exceeded, the dimension X must be selected accordingly.

7. Information on mounting, operation in hazardous area (Europe)

3160670.06

Threaded connection

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11355647.01

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Wika TR10-A Uživatelský manuál Strana 27