Wika 55 Manual do Utilizador descarregar pdf (Página 11)

12968065.04 10/2013 GB/D/F/E

WIKA operating instructions models 53, 54, 55 11

3. Position the indicator as required, tighten the hexagon bolts and

slotted screws, and nally tighten the lock nut or union nut rmly.

When using thermowells, they must be lled with a thermal contact

medium in order to reduce the heat transfer resistance between the

outer wall of the sensor and the inner wall of the thermowell. The

working temperature of the thermal compound is -40 ... +200 °C.

WARNING!

Do not ll hot thermowells. There is a risk of the oil

spraying out!

Thermowell

Stem

required safety

clearance

loosening

Make sure to loosen the screws

on the opposite side as well!

CAUTION!

When using thermowells, please

ensure that the stem does not

touch the bottom of the thermowell

since, due to the dierent

expansion coecients of the

materials, the stem may become

buckled at the bottom of the

thermowell.

(Formula for the calculation of

the insertion length l

see the

respective thermowell's data sheet)

6. Commissioning, operation

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Wika 55 Manual do Utilizador Página 11