Measured Parameter Directional hemispherical reflectance (DHR)
Method Integrated total reflectance in a band for a given angle of incidence
Measured Value Absolute reflectance (ρ=1-ε)
Calculated Value Directional thermal emissivity at 20°
Wavelength Bands 3.0 ~ 5.0 / 8.0–12.0 µm
Angle of Incidence 20 ° from normal incidence
Calibration Coupon Specular Gold
Accuracy ±0.005
Repeatability ±0.005 units
Beam Spot Size 15 mm diameter
Measurement Time 1.5 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 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 touchscreen 1/4 VGA, trigger switch in handle
Diagnostics On-screen status and signal monitor. Raw data export supported.
Data Format Text or Excel readable data files
Data Storage Removable SanDisk (SD) card
Export Control ECCN 3A999F