SolarLight Model 540 µTops II Sunphotometer
Overview
The Model 540 µTopsII sunphotometer is a 5 channel hand-held instrument for measuring the atmospheric column easily, accurately and dependably.
The Facility’s µTops II sunphotometers have been configured with five filters for the determination of aerosol optical thickness (AOT), including filters at 936nm and 1020nm for the measurement of total water vapour.
Technical Specification
|
|
Value |
| Filters |
440±1.5 nm, 675±1.5 nm, 870±1.5 nm, 936±1.5 nm, 1020±1.5 nm, |
| Full Width Half Maximum |
10 nm |
| Resolution |
0.01 W/m² |
| Dynamic Range |
300,000 |
| Field of View |
2.5° |
| Resolution |
0.01 W/m² |
| Precision |
1 - 2% |
| Non-linearity |
max 0.002% FS |
| Power Source |
4 × AA Alkaline batteries |
| Weight |
0.6 kg |
| Size |
10 × 20 × 4.3 cm |
| Operating Environment |
0 - 50°C |
Example Applications
- Spectral Solar Irradiance
- Airborne and Satellite Sensor Calibration and Validation
- Determination of Aerosol Optical Thickness
- Pollution monitoring
- Photobiology
- Environmental monitoring
Units Available for Loan
Field Operation Training Video