Hygrometry Menu; Units; Pressure Menu; Autozero - Chauvin Arnoux C.A 1051 Manual De Instrucciones

4.2 Hygrometry menu

When you connect a hygrometry probe,the screen shows its characteristics. Press then on the knob
to enter in the hygrometry menu, the screen shows the measured values in humidity, temperature, and
dew point temperature and the next menu appears on the last line (browse the menu by scrolling down
the knob) :

Units.

4.2.1 Units
Browse the different available units by scrolling down the knob and validate pressing on the knob.

4.3 Pressure menu

When you access to the menu pressure, then you can read at the center of the screen the measured
value. The last line of the screen shows the next menu (browsing the menu by scrolling down the
knob):

Autozero.

Units.
Point by point average.
Air velocity with Pitot.
Air flow with Pitot.
4.3.1 Autozero
To realize a manual autozero, press on the knob when the scrolling down menu displays « autozero ».
4.3.2 Units
Browse the different available units by scrolling down the knob and validate pressing on the knob.
When you have the choice between various parameters, you have to validate each unit of measure.
4.3.3 Point by point average
This function allows to calculate the average value of various points which you will have validated. The
scrolling down menu allows to validate a point or to reach the average of points previously validated.
To validate a point, press on the knob. Validate as many points as necessary, then by means of the
knob, choose « Average » and validate. The screen shows then: average(s), count of validated
points, minimum value(s), maximum value(s) and standard deviation(s). To show the values of the
various points, press on the knob. Press then on « ESC »: once to return to the previous display, twice
to begin another calculation and three times to go out of the menu « point / point average ».

4.4 Vane anemometry menu

When you connect a vane probe, the screen shows its characteristics.Press then on the knob to enter
in the menu vane anemometry,the screen shows the measured values in air velocity and in temperature
and the next menu appears on the last line (by browsing the menu by scrolling down the knob):
Units.
Automatic average.
Airflow (rectangular, circular, cone : only for the vane probe Ø100 mm).
To validate a function, press on the knob when the wished function is shown on the screen.
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