JUMO EM Series Operating Instructions Manual page 15

A
Design 10, 15, 21, 60, 65:
only use in pressureless medium.
H
Ensure that the temperature probe (2) is completely submerged in the medium
because otherwise, greater switching point deviations will occur.
For connection types 20, 21 and 22, the temperature probe is fixed in the
sheath with the clamping piece ( 1 ).
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3 Installation
( 1 )
( 2 )
15