Specifications; Maintenance; Changing Battery; Metrological Verification - Chauvin Arnoux C.A 848 Notice De Fonctionnement

4. SPECIFICATIONS

Metrological specifications
Measurement range Resolution
Hygrometry 5 to 95%RH 0.1 %RH
Ambient
-20 to +80°C
temperature 0.1°C
Dew point
-20 to +80°C
temperature 0.1°C
Technical features
Conditions of use: 0 to 50°C; < 85 % RH
neutral gas
Storage conditions: 0 to 50°C; 15 to 85 % RH
Power supply: 1 alkaline battery, 9V 6LR6
Device shuts off automatically after 30 minutes.
Dimensions and weight
Instrument: 145 x 75 x 34 mm
Cable: L = 450 mm, extension up to 2.4 m
Probe: Ø = 13 mm, L = 110 mm
Display: 2 lines of 12 characters
38 x 12 mm
Weight: 190 g
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 protective covering
- Remove the battery cover
- Insert a 9V battery
- Replace the battery cover
- Replace the protective
5.3.

Metrological 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.
Accuracy Measurement units
± 2% R + 1.8 %RH % RH
± 2% R + 0,3 °C °C, °F, K
± 2% R + 0,3 °C °C, °F, K
covering.
10