Measured ParameterDirectional hemispherical reflectance (DHR)MethodIntegrated total reflectance in a band for a given angle of incidenceMeasured ValueAbsolute reflectance (ρ)Calculated ValueIn-band emissivityWavelength Bands410-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 µmAngle of Incidence20° or 60° from normal incidence °Calibration CouponSpecular GoldAccuracy±0.03Repeatability±0.05 unitsBeam Spot Size15 mm diameterSample Size & GeometryFlat ≥0.5 in. diameter; Curved ±0.5 in. concave; ±12 in. concaveWarm Up Time90 secondsTime Between Measurements2 secondsSample Temperature-90 ~ 90 °C (ambient or heated/cooled)Operating Temp0 ~ 40 °CStorage Temp-25 ~ 70 °CRun Time2 hours on one battery; continuous operation after battery replacementPower SourceRechargeable battery (NiMH)Battery Recharge Time1 hourIR SourceKanthal filament operated at about 1000°CWeight4.7 lbForm Factor11.5H × 9.0W × 3.7D in (29.21 cm × 22.86 cm × 9.44 cm)Operator InterfaceLCD graphic screen, 1/4 VGA, touch screen, software buttons, trigger switch in handleSoftware ApplicationsPass/Fail can be incorporated, user set valuesDiagnosticsOn-screen status and signal monitor, signal values stored with data, raw data collection and displayData FormatData files can be opened and post-processed with Excel or a text processorData StorageRemovable SanDisk (SD) cardExport ControlECCN 3A999F