Automatic Shut Off; Backlighting Setting; Sound; Specifications - Chauvin Arnoux C.A 1244 Notice De Fonctionnement

3.4

AUTOMATIC SHUT OFF

Press SELECT to enter the menu.
Scroll down the menu with SELECT.
Press OK to enter.
Choose the time you want for automatic shut off by pressing SELECT.
Press OK to validate your choice.
3.5

BACKLIGHTING SETTING

Press one time backlighting button for level 1.
Press a second time for level 2.
Press a third time to switch off it.
3.6

SOUND

Press SELECT to enter the menu.
Scroll down the menu with SELECT.
Press OK to enter.
Press SELECT to activate / deactivate sound.
Press OK to validate your choice.
4.1

METROLOGICAL SPECIFICATIONS

Measurement
Hygrometry
ambient
Temperature
ambient
Temperature
dew point
*
Factory setting uncertainty ± 0.88 % RH
Temperature drift below 15°C and above 25°C: ± 0.4 x (T-20) % RH
Sensor drifts 1 % RH/year
C.A 1244

4 SPECIFICATIONS

range
5 to 95 % RH
-20 to 70°C
-20 to +70°C
Resolution
± 1.8 % RH from
0.1 % RH
0.1°C ± 0.4%R ± 0.3°C
0.1°C ± 0.8%R ± 0.6°C
Accuracy
*
15 to 25°C
English
Measurement
units
% RH
°C, °F
°C, °F
13