Irradian Limited
PR450 Phototherapy Radiometer
4
(continued):
DET201450 DETECTOR
Amplifier PCB
Photodiode
Cable
Glass Filters
Cosine Diffuser
The DET201450 detector comprises of an aluminium housing,
photodiode, R450 filter and PCB assembly.
Detector:
5.2 mm² High stability GaAsP photodiode.
Spectral Response:
Refer Figure 1.
Angular Response:
Accurately cosine corrected to Lambert's
Cosine Law. Maximum error is less than ±5%
from true response to 70° from normal
incidence, reference Section 5.
Temperature Coefficient: <0.3 %/°C.
Amplifier Gain
5x10
5
V/A.
Current to Frequency 0 - 0.5Mhz.
Linearity Error:
<1% across range.
Temperature Range:
Operation: -10 to +60°C.
Storage: -20 to +70°C.
Detector Housing:
Black anodised aluminium alloy housing.
Cable:
1 metre cable to 8 pin mini DIN type connector.
Weight:
Approximately 140g.