Measured Parameter Directional hemispherical reflectance (DHR)
Method Integrated total reflectance in a band for a given angle of incidence
Measured Value Absolute reflectance (ρ)
Calculated Value In-band emissivity
Wavelength Bands 410-DHR: 9.5–11.9, 9.4–10.0, 8.0–8.5, 5.0–6.0, 4.0–4.8, 3.0–3.5 µm; 410-DHR-G: 1.5–2.0, 2.0–2.3, 3.0–4.0, 4.5–5.5, 8.0–12.0 µm µm
Angle of Incidence 20° or 60° from normal incidence °
Calibration Coupon Specular Gold
Accuracy ±0.03
Repeatability ±0.05 units
Beam Spot Size 15 mm diameter
Sample Size & Geometry Flat ≥0.5 in. diameter; Curved ±0.5 in. concave; ±12 in. concave
Warm Up Time 90 seconds
Time Between Measurements 2 seconds
Sample Temperature -90 ~ 90 °C (ambient or heated/cooled)
Operating Temp 0 ~ 40 °C
Storage Temp -25 ~ 70 °C
Run Time 2 hours on one battery; continuous operation after battery replacement
Power Source Rechargeable battery (NiMH)
Battery Recharge Time 1 hour
IR Source Kanthal filament operated at about 1000°C
Weight 4.7 lb
Form Factor 11.5H × 9.0W × 3.7D in (29.21 cm × 22.86 cm × 9.44 cm)
Operator Interface LCD graphic screen, 1/4 VGA, touch screen, software buttons, trigger switch in handle
Software Applications Pass/Fail can be incorporated, user set values
Diagnostics On-screen status and signal monitor, signal values stored with data, raw data collection and display
Data Format Data files can be opened and post-processed with Excel or a text processor
Data Storage Removable SanDisk (SD) card
Export Control ECCN 3A999F