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Specification
Measured parameter: Directional hemispherical reflectance (DHR)
Method: Integrated total reflectance in a band for a given angle of incidence
Data: Total reflectance
Wavelength bands
335 - 380 nm, 400-540 nm, 480-600 nm,
590-720 nm, 700-1100 nm, 1000-1700 nm, 1700-2500 nm
ASTM standards: C1549 E1980 E903
Accuracy: ±.02
Measurement time: 7 seconds
Angle of incidence: 20° from normal incidence
Repeatability : ±.001 units
Beam spot size: 0.50 inches
Calibration coupon: Glazed Ceramic
Solar irradiance functions
Air Mass 0 (AM) Extraterrestrial irradiance (ASTM E490-00)
Hazy sky AM1.5 beam-normal irradiance (ASTM E891-87)
Clear sky AM1 global horizontal irradiance (SMARTS 2.9.5)
Clear sky AM1.5 global irradiance surface tilted 37° (ASTM G173-03)
Clear sky AM1.5 global irradiance surface tilted 20° (ASTM G197-14)
Clear sky AM1.5 global irradiance surface tilted 90° (ASTM G197-14)
Clear sky AM1.5 global horizontal irradiance (SMARTS 2.9.5)
Clear sky AM2.0 global horizontal irradiance (SMARTS 2.9.5)
Sample size and geometry:
Flat: ≥ 0.5 in. diameter
Radius of curvature: 6 in. convex; 12 in. concave
Warm-up time: 90 seconds
Time between measurements: 2 seconds
Sample temperature: Ambient or heated/cooled to 0 - 100 degrees Celsius (°C)
Readout / data output: 3x2 inch LCD touch screen
Data stored on SD card as .txt file for export to Excel
Dimensions: 11.54 in. x 9.04 in. x 3.72 in (29.31 cm x 22.96 cm x 9.44 cm)
Weight: 4.7 lbs (2.13 kg)
Source: Tungsten filament, temperature controlled by user
Export control: ECCN #3A999.F
Applications
SOC410-Solar-i was designed with the following applications in mind:
Validation of solar fields
Maintenance of solar fields / evaluation of soiling of mirrors
LEED – evaluation of thermal properties of green buildings
Cool roof – evaluation of thermal properties of roofs
Inspection of telescope mirrors
Inspection of coatings for space applications
Characterization of thermal properties of materials
Characterization of solar receivers in solar power generation
Characterization of mirrors used to concentrate solar power
Datasheet
