Sensor Replacement - TESTO 6457 Instruction Manual

Compressed air meter
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If this is not the case, the measuring
station has to be turned between the
flanges.
5. Fix the sensor to the
interchangeable fitting with the
union nut and without tools.
6. The mechanical installation of the
compressed air meter is now
complete.
7. Move the sensor to the end
position
interchangeable fitting manually.
The measuring window is thus
positioned open in the nominal width
corresponding to the height in the
pipe and the measurement can be
started
connection is established.
5.7

Sensor replacement

Removal of the mounted sensor may be necessary for maintenance,
cleaning and calibration purposes or for mobile sensor use.
WARNING
by
turning
once
the
Never remove the sensor or the dummy plug from the
sealing cone of the quick-change fitting when the line is
under pressure and the quick-change fitting is in the
measuring end position - this can be highly dangerous.
the
electrical
29

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