Data Sheet

1 0E-02
1,0E-01
1,0E-00
1,0E+01
1,0E-05
1,0E-04
1,0E-03
1,
250 270 290 310 330 350 370 390
0
0,1
0,2
0,3
0,4
0,5
0,6
0,7
0,8
0,9
1
200 210 220 230 240 250 260 270 280 290 300
λ
(nm)
Relative spectral response
LP471 A-UVeff spectral response
UV action curve
Wavelength nm
LP 471 UVC probe for the measure of UVC IRRADIANCE
Measuring range (W/m
2
):
1.0·10
-3
…999.9·10
-3
1.000
…19.999
20.00
…199.99
200.0
…1999.9
Resolution (W/m
2
): 0.1·10
-3
0.001 0.01 0.1
Spectral range: 220nm…280nm (Peak 260nm)
Calibration uncertainty: <5%
f
3
(linearity): <1%
f
4
(instrument reading error): ±1digit
f
5
(fatigue): <0.5%
Drift after 1 year: <2%
Working temperature: 0…50°C
Radiometric probe for IRRADIANCE measurement,
in the spectral range 220nm…280nm, peak 260nm,
UVC. Measurement range: 1.0·10
-3
W/m
2
…2000W/m
2
.
Typical response curve: LP 471 UVC
Combined probe LP 471 P-A with two sensors for the measure of ILLUMINANCE and
UVA IRRADIANCE
Illuminance
Measuring range (lux): 0.10…199.9 …1999.9 …19999 …199.99·10
3
Resolution (lux): 0.01 0.1 1 0.01·10
3
Spectral range:
in agreement with standard photopic curve V(λ)
α (temp. coeffi cient) f
6
(T)
<0.05%K
Calibration uncertainty: <4%
f’
1
(in agreement with photopic response V(λ)):
<6%
f
2
(response according to the cosine law): <3%
f
3
(linearity): <1%
f
4
(instrument reading error): <0.5%
f
5
(fatigue): <0.5%
Class: B
Drift after 1 year: <1%
Working temperature: 0…50°C
Reference Standards CIE n.69 - UNI 11142
Please refer to the spectral response of the LP471PHOT probe
UVA Irradiance
Measuring range (μW/cm
2
): 0.10…199.99 …1999.9 …19999 …199.99·10
3
Resolution (μW/cm
2
): 0.01 0.1 1 0.01·10
3
Spectral range: 315nm…400nm (Peak 360nm)
Calibration uncertainty: <5%
f
2
(response according to the cosine law):
<6%
f
3
(linearity): <1%
f
4
(instrument reading error): ±1digit
f
5
(fatigue): <0.5%
Drift after 1 year: <2%
Working temperature: 0…50°C
Please refer to the spectral response of the LP471UVA probe
LP 471 A-UVeff probe for the measure of TOTAL EFFECTIVE IRRADIANCE weighted
according to the UV action curve (CEI EN 60335-2-27)
Total Effective Irradiance
Measuring range (W
eff
/m
2
): 0.010 … 19.999
Resolution (W
eff
/m
2
): 0.001
Spectral range:
UV action curve for measuring erythema
(250 nm…400 nm)
Calibration uncertainty: <15%
f
3
(linearity): <3%
f
4
(instrument reading error): ±1 digit
f
5
(fatigue): <0.5%
Drift after 1 year: <2%
Working temperature: 0…50°C
Reference standard CEI EN 60335-2-27
UVA Irradiance
Measuring range (W
eff
/m
2
): 0.01 … 1999.9
Resolution (W
eff
/m
2
): 0.1
Spectral range: 315 nm … 400 nm
UV_BC Irradiance
Measuring range (W
eff
/m
2
): 0.010 … 19.999
Resolution (W
eff
/m
2
): 0.001
Spectral range: 250 nm … 315 nm
Relative spectral response