UVP UVX Radiometer - Manual (Page 3)

UVX Radiometer 3
List of Figures
Figure 1: Rear and Side Views of Radiometer.............................................................................................. 4
Figure 2: Radiometer Functional Block Diagram ........................................................................................ 13
Figure 3: Calibration Current Source .......................................................................................................... 14
Figure 4: LCD Display Pin-outs ................................................................................................................... 14
Figure 5: UVX-25 Sensor Solarization Curve ............................................................................................. 16
Figure 6: Typical UVX-25 Sensor Spectral Response ................................................................................ 16
Figure 7: Typical UVX-31 Sensor Spectral Response ................................................................................ 17
Figure 8: Typical UVX-36 Sensor Spectral Response ................................................................................ 17
Figure 9: Typical Sensor Response Versus Incidence Angle ..................................................................... 18
Figure 10: Schematic of UVX Series Sensor .............................................................................................. 20
Figure 1: Measurement of Irradiance .......................................................................................................... 20
Figure 12: Typical Output From Low Pressure Mercury Lamp ................................................................... 21
Figure 13: Hypothetical Light Source Having an Output at 270nm Wavelength ........................................ 24
Figure 14: Response of Three Sensors Calibrated to Yield the Same Output at 254nm Wavelength ....... 24
Figure 15: Continuous Emitter, 285nm Phosphor Coated UV Lamp .......................................................... 25
Figure 16: Example, Illustrating Why Sensor Field of View is Important When Measuring Irradiance ....... 27
Figure 17: Projected Area of Sensor ........................................................................................................... 27
Figure 18: Cosine Response of Typical UVX Sensor (Polar Plot) .............................................................. 28