Specifications; Maintenance; Changing Battery - Chauvin Arnoux C.A 1224 Notice De Fonctionnement

4. SPECIFICATIONS

Metrological specifications
M eas urement range Res olution
0.25 to 3 m /s 0.01 m /s
Air v eloc ity
3.1 to 35 m /s 0.1 m /s
Am bient
-20 to +80°C 0.1°C
temperature
3
Air flow 0 to 99 999 m /h 1 m
Technical features
Conditions of use: 0 to 50°C; < 85 %RH
neutral gas
Storage conditions: -20 to 80°C; 15 to 85 %RH
Power supply: 1 alkaline battery, 9V 6LR6
Device shuts off between 0 to 120 minutes
Protection IP 54
Dimensions and weight
Instrument: 147.7 x 70.6 x 34.7mm
Cable: L = 450mm, extension up to 2.4m
Probe: Ø = 100mm, L = 296mm
Display: 4 lines
2 lines of 5 digits for value
2 lines of 5 digits for unit
50 x 34.9mm
Weight: 190g
Conformity
Electromagnetic Compatibility: complies with NF EN 61326-1.

5. MAINTENANCE

5.1 Cleaning
Clean the casing with a cloth and a little soapy water.
Clean off with a damp cloth.
5.2

Changing battery

- Remove the battery cover
- Insert a 9V battery
- Replace the battery cover
5.3 Metrologic verification
It is essential that all measuring instruments are regularly
calibrated.
For checking and calibration of your instrument, please contact
our accredited laboratories (list on request) or the CHAUVIN
ARNOUX subsidiary or your local agent.
Ac c urac y M eas urement units
± 3% R + 0.1 m /s
m /s, fpm , k m /h
± 1% R + 0.2 m /s
± 0,3% R ± 0.25 °C °C, °F
± 3% R ± 0,03 *S urf.
3 3 3
/h duc t (c m²) m /h, m /s , L/s , cfm
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