Chauvin Arnoux C.A 811 Notice De Fonctionnement page 10

4. SPECIFICATIONS
Measurement range:
I I I I I
- C.A 811 20 lux, 200 lux, 2000 lux, 20 klux
20 fc, 200 fc, 2000 fc, 20 kfc
- C.A 813: 20 lux, 200 lux, 2000 lux, 20 klux, 200 klux
20 fc, 200 fc, 2000 fc, 20 kfc
Resolution: 0.01 lux - 0.01 fc
I I I I I
Accuracy of the C.A. 811 (at 23°C ±5°C, < 75% RH)
I I I I I
- Spectral response: IEC Photopic (see curve below)
- Spectral accuracy: f' < 15%
1
- Cosinusoidal response: f'
- Total accuracy for
common light sources: ±18% +2 pt
- Intrinsic error (for a standard light source) (2856 K): ±3%
+10 pt
Accuracy of the C.A. 813 (at 23°C ±5%, < 75% RH)
I I I I I
- Spectral response: IEC Photopic (see curve below)
- Spectral accuracy: f' < 8%
1
- Cosinusoidal response: f'
- Total accuracy for common light sources: ±11% +2 pt
- Intrinsic error (for a standard light source) (2856 K):
±3% +10 pt
Relative sensitivity (%) vs wavelength (nm)
120
100
80
60
40
20
0
Sensors: Silicon photodiode
I I I I I
Climatic environment
I I I I I
- Utilisation: 0 to +50°C <75% RH
- Storage: -20°C to +60°C, 0 to 80% RH, without battery
Power supply: 9 V battery (type 6LR61 or 6LF22)
I I I I I
Dimensions / Weight: 173 x 60.5 x 38 mm / 190 g with
I I I I I
batteries
Electrical safety as per EN 61010-1
I I I I I
Electromagnetic compatibility
I I I I I
Emissions and immunity in an industrial setting compliant
with EN 61326-1
Impermeability: IP 44 as per IEC 60529, the instrument
I I I I I
must be in its protective case.
< 2%
2
< 2%
2
10