Product information Wireless data loggers
UVA irradiance
Sensor
Photodiode
Measuring range
0…10,000 mW/m
2
Resolution (of the instrument)
1 mW/m
2
(0...2,000 mW/m
2
) / 5 mW/m
2
(> 2,000... mW/m
2
)
Spectral range
UVA, peak
@
360 nm
Spectral response
See graph 2
Calibration uncertainty
<5%
f
2
(response according to the cosine law)
<6%
f
3
(linearity)
<1%
f
4
(instrument reading error)
±
1 digit
f
5
(fatigue)
<0.5%
Drift after 1 year
<2%
Operating temperature
0…50
°
C
UVB irradiance
Sensor
Photodiode
Measuring range
0…100 W/m
2
Resolution (of the instrument)
0.01 W/m
2
(0...10 W/m
2
) / 0.1 W/m
2
(10...100 W/m
2
)
Spectral range
UVB, peak
@
305 nm
Spectral response
See graph 3
Calibration uncertainty
<5%
f
2
(response according to the cosine law)
<6%
f
3
(linearity)
<2%
f
4
(instrument reading error)
±
1 digit
f
5
(fatigue)
<0.5%
Drift after 1 year
<2%
Operating temperature
0…50
°
C
UVC irradiance
Sensor
Photodiode
Measuring range
0…100 W/m
2
Resolution (of the instrument)
0.01 W/m
2
(0...10 W/m
2
) / 0.1 W/m
2
(10...100 W/m
2
)
Spectral range
UVC, peak
@
260 nm
Spectral response
See graph 4
Calibration uncertainty
<5%
f
2
(response according to the cosine law)
<6%
f
3
(linearity)
<1%
f
4
(instrument reading error)
±
1 digit
f
5
(fatigue)
<0.5%
Drift after 1 year
<2%
Operating temperature
0…50
°
C
PAR (Photosynthetically Active Radiation)
Sensor
Photodiode
Measuring range
0…5000 µmol m
-2
s
-1
Resolution (instrument)
0.2 µmol m
-2
s
-1
(0…500 µmol m
-2
s
-1
), 2 µmol m
-2
s
-1
(>500 µmol m
-2
s
-1
)
Spectral range
400…700 nm
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
<1%
Operating temperature
0…50
°
C
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