Chauvin Arnoux C.A 822 Manual De Funcionamiento página 12

When you have selected °C, you can choose from
among the following units : m/s, km/h, knots. Simply press
and hold the backlighting button for two seconds to switch
from one unit to the other.
When you have selected °F, you can choose from
among the following units : ft/min, mph, knots. Simply press
and hold the backlighting button for two seconds to switch
from one unit to the other.
4. SPECIFICATIONS
Conditions for use
Temperature : 0 to 50°C
Humidity : < 80% HR
Storage : -20 to 55 °C, < 80% HR
Power supply
1 9V battery(IEC 6F22)
Average battery life : 100 hrs
Dimensions and weight
Instrument : 173 x 60.5 x 40 mm
Probe : 365 x 75 x 45 mm
Total weight : 330 g
Temperature Measurement
Measuring range : -20 to 60 °C (-4°F to 140°F)
Resolution : 0.1 °C / °F
Accuracy : 0.5°C from 0 to 45°C
1°C from -20 to 0 and 45 to 60°C
1°F from 32 to 113°F
2°F from -4 to 32°F and 113 to 140°F
Air velocity measurement
Unit Resolution
m/s 0.01
Knots 0.1
ft/min 1
mph 0.1
Accuracy : ± 3 % full scale
Threshold value Measuring range
0.4 0 to 30,00
0.8 0 to 58.0
80 0 to 5900
0.9 0 to 67.0
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