Highly Accurate & Repeatable Transmission Measurements
- Nondestructively capture complete spectral and colorimetric transmissive properties
- Area of analysis ranging from 1 to 3 mm (specify at time of purchase)
- Spectral transmission accuracy to ± 0.5%
- Reported parameters including transmission as a function of wavelength and colimetric data
| 191T Transmission Measurement Systems | ||
|---|---|---|
| 191 Optical Head | 191T | |
| Measurement Type | Total Transmission | |
| Sample Types | Glass or any polished transmissive element | |
| Illumination Angle | 0° | |
| Viewing Angle | 2π (180°) | |
| Minimum Sample Thickness | None | |
| Maximum Sample Thickness | 15mm | |
| Minimum Sample Size | Ø 10mm | |
| Maximum Sample Size | 200mm x 200mm Panel | |
| Illumination Spot Size (Area of Analysis) |
Ø 1mm, Ø 2mm, or Ø 3mm (user selectable at time of purchase) | |
| Measurement Speed (Sample Dependent) |
≈300-3000ms | |
| Calibration Reference Standard | BK-7 Polished Glass | |
| Optical Head Dimensions | Height: 350mm (13.75″) Width: 205mm (8.0″) Depth: 225mm (8.85″) Weight: approx. 3.5kg (7.75lbs) |
|
| Measurement Accuracy | ||
| Spectral Transmission | ± 0.5% | |
| Tristimulus (CIE 1931 X, Y, Z) |
± 0.05 | |
| Chromaticity (CIE 1931 x,y) |
± 0.005 | |
| LAB Color (CIE 1976 L*, a*, b*) |
L* ± 2.0 a*, b* ± 0.8 | |
| Average Transmission | ± 0.2 | |
| Reported Parameters | ||
| Spectral Data | Transmission as a function of wavelength | |
| Colorimetric Data | CIE Tristimulus X, Y, Z, with 2° or 10° View Angle, (L*, a*, b*), (x, y), (u’, v’), and other parameters | |
| Illuminant Weighting | Illuminant A, Illuminant B, Illuminant C, Illuminant D65, or User Specified Custom Illuminant | |
