Measuring system | 60° |
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Measuring area | 3 x 6mm oval |
Light source (Service life) | LED <890nm> (Indefinite) |
Detector | SPD <890nm> (Silicon photodiode) |
Measuring range (resolution) | range1 : 0.0 - 100.0 (0.1) range2 : 0 - 1000 (1) |
Repeatability | ±1% F.S. |
Power source (Battery life) | R6 (AA) Alkaline x 4 (200 hours or more at continuous operation) |
Ambient temperature range | 10 - 40℃ |
Dimensions | Main body : 75 (W) x 34 (D) x 140 (H) mm 5.5 (W) x 3.0 (D) x 1.3 (H) in Optical system : 88 (W) x 30 (D) x45 (H))mm 3.5 (W) x 1.2 (D) x 1.8 (H) in |
Mass | Approx. 350g (including battery) |
Additional functions |
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Accessories |
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A measurement standard for the gloss value
Gloss value 100 is defined as specular reflectance in incident angle θ of the glass of reflectance index 1.567. With incident angle θ = 60°, specular reflectance is 10%,or gloss value 100. Consequently gloss in specular reflectance 100% is calculated as 1000. Reflectance in many polished metals is 50% or more, some are 90% or more. Then measurement range is expanded up to 1000 in IG-410. I adopt IR LED (an HORIBA original method) in a source of light.