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Grating Sun Photometer
[Temporally out of production and new model is under development]

PGS-100 is the highly efficient Sunphotometer which adopted grating as the spectrometer system.
Basic software operates on Windows and can perform outdoors continuous observation.
Data can be transferd and stored to PC, via RS232C.

Grating Sun Photometer
- Measurement of the spectral intensity of direct normal irradiance (DNI)
- Messurement of the atmospheric turbidity
- Grating is used for the spectrometer system.



Measurable Wevelength range 350 to 1050nm
View hrlf angle 1 degree
Slope angle 0.5 degree
Slit 100μm
Detector Si-CCD
Number of Channel 2048ch
Wavelength Clearance 0.4nm
Resolution (FWHB) 3.6nm
Minimum unit of wavelength selection 1nm
Temperature control Internal Temperature Controller
Communication RS232C
Sun Tracker (ASTX-2)
Axis 2 axis (Azimuth and Zenith)
Zenith Angle -30 to +120 degree (0 = Zenith, + = South, - = North)
Azimuth Angle +/- 180 degree (0 = South, + = East, - = North)
Tracking Method Automatic calculation of path of the sun by the built-in CPU.
Correction of the Position Sun position sensor (When the sun is present in the sky)
Turn to be calculation mode, when the sun is not present.
Drive Sytem 2 axis Pulse Moror
Controller Built-in 16bit CPU
Communication Interface RS232C (This can be controlled by PC)
Power 100 - 200VAC, 2A, 50/60Hz (DC power model is also available)
Weight Approx. 25kg