DIFF automatic volume flow meter
User manual
V11.2 - EN
Page
7
TDC 16-7-2012
OBSERVATOR
instruments
2.3.2 Measuring positions
It is possible to adjust the arms by pushing both grey buttons at the same time. The arms will
“click” every 30
˚
. This makes it possible to set a comfortable position for every situation. The
electronics unit can be rotated to ensure a reading during the measurement.
Make sure that the display of the DIFF is not placed in front of the opening. Putting the
display in front of the air exhaust will cause faulty measurements.
These pictures show the right position of the arms and the display.
2.3.3 Operation
The DIFF can be operated with only one button. The readings are shown on the display.
The DIFF can be switched on by pushing in the middle of the scroll button. The recess in the
scroll button is intended for scrolling.
