Automatic Variable Angle Total Light Transmittance Meter 'TG-150LN'

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TG-150LN

last updated：Feb 09, 2022

村上色彩技術研究所

Official site

It is possible to measure the total light transmittance when the sample is obliquely incident at any angle from -60° to 60°!

**Features** - This device is a transmittance meter that complies with the total light transmittance measurement standards (ISO 13468-1, JIS K 7361). It measures the total light transmittance of transparent objects by guiding a highly parallel light beam into an integrating sphere. - Furthermore, the light source can be adjusted to angles ranging from -60° to 60° relative to the sample, allowing for the measurement of total light transmittance at arbitrary angled incidence. - By adopting a double beam method, there is no need to move the sample to a compensating aperture to account for integrating sphere efficiency, enabling high-precision measurements with excellent operability. - The automatic angle adjustment of the light source allows for highly reproducible angle measurements through the use of an intelligent driver. - The optical system is designed in a vertical orientation, making it possible to measure even large samples simply by placing them on the sample stage. - The computation and control unit utilizes commercially available personal computers and employs software capable of various calculations, including averaging, ensuring fully automated operation that consistently yields stable measurement results.

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basic information

1. Detection Unit Measurement Target: Transmitted Object Sample Shape: A4 size, plate-shaped object, t = 10 mm (MAX) Sample Table: 530 × 430 mm * An aluminum plate (thickness 4 mm) is used in the center 350 × 350 mm, with a detachable auxiliary sample table around the perimeter. Light Source: Halogen lamp with dichroic mirror, 12V 50W (nominal lifespan 2000 hours) Overall Spectral Sensitivity: Approximates V(λ) and D65 light through the combination of light source, light receiving element, and color glass filter. Integrating Sphere Diameter: Approximately 150 mm Light Beam Diameter: Approximately 9 mm Sample Aperture: Approximately 30 × 15 mm (long hole) Incident Angle Range: ±60°, 0.1° step data reading time: Approximately 120 seconds Angle Accuracy: Within 0.05° Power Supply: AC 100V, 50/60Hz Power Consumption: Approximately 200W Dimensions & Weight: Approximately 530 (w) × 580 (d) × 570 (h) mm, Approximately 30 kg 2. Calculation and Display Unit A commercially available personal computer is used for the calculation and control unit, equipped with software programs capable of various calculations, including averaging. Display Content: ±60° 0.1° step data and graphs * Measurement step customization is possible * For more details, please feel free to contact our sales department.