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Carbon Monoxide (CO)
Sensor
Electrochemical cell
Measuring range
0 … 500 ppm
Resolution (instrument)
1 ppm
Accuracy
±3 ppm+3% of measurement
Operating temperature
-5…50
°C
Response time
T
90
< 50
s
Stability
5% of measurement /year
Sensor life
> 5 years in normal environmental conditions
Carbon Dioxide (CO
2
)
Sensor
Non-dispersive infrared rays (NDIR)
Measuring range
0…5000 ppm
Resolution (instrument)
1 ppm
Accuracy
±
(50 ppm+3% of measurement) @ 20
°C and 1013
hPa
Operating temperature
-5…50
°C
Response time
T
90
< 120
s (air speed= 2
m/s)
Stability
5% of measurement/5 years
Temperature drift
0.1% f.s. / °C
Illuminance
Sensor Photodiode
Measuring range
0…10.000 lux
Resolution (instrument)
1 lux (0…2000 lux), 5 lux (2000…10,000 lux)
Spectral range
In accordance with standard photopic curve V(
λ
)
Spectral response
See graph 1
α
(temperature coefficient) f
6
(T) <0.05%
K
Calibration uncertainty
<4%
f'
1
(
accordance with photopic response V(
λ
)
) <6%
f
2
(response as cosine law)
<3%
f
3
(linearity)
<1%
f
4
(instrument reading error)
<0.5%
f
5
(fatigue)
<0.5%
Class B
One year drift
<1%
Operating temperature
0…50
°
C
Reference standard
CIE n°69 – UNI 11142
UVA Irradiance
Sensor Photodiode
Measuring range
0…2000 mW/m
2
Resolution (instrument)
1 mW/m
2
Spectral range
UVA, peak
≅
360 nm
Spectral response
See graph 2
Calibration uncertainty
<5%
f
2
(response as cosine law)
<6%
f
3
(linearity)
<1%
f
4
(instrument reading error)
±
1 digit
f
5
(fatigue)
<0.5%
One year drift
<2%
Operating temperature
0…50
°
C
