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EN
particle counter BQ21
Displaying the memory use
Up to 5,000 data records can be stored on the device's internal
memory.
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00001
Memory View
Please proceed as follows to display the memory use:
1. Press the
SET
(8) or
ESC
button (4) to select the desired
measurement.
2. Press the
START
button (6) to confirm the selection.
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The measurement values are shown on the display (9).
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Alternatively, you can also select the different
measurements from this screen using the
SET
(8) and
ESC
(4) buttons. The upper left-hand corner of the
display shows the corresponding number of the
respective measurement.
3. Press the
ESC
button (4) for approx. 2 s to return to the
overview of measurements.
4. Press the
ESC
button (4) for approx. 2 s to return to the
system settings menu.
Info
You can delete the memory by first pressing the
ESC
button (4) in the measurement screen and then
simultaneously pressing the Bluetooth button (5) until a
longer acoustic signal is emitted.
Selecting the measuring mode
You can select whether particles (
Particle
) are counted or the
mass concentration (
Mass
) of the particles is displayed.
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Mass
Particle
Mass/particle
Please proceed as follows to select the measuring mode:
1. Press the
SET
(8) or
ESC
button (4) to select either
Particle
or
Mass
concentration measuring mode.
2. Press the
ESC
button (4) for approx. 2 s to return to the
system settings menu.
