Fabric light transmittance test machine
Light transmittance test machine for fabric is used to determine the total visible light transmittance of the fabric to evaluate the shading properties of the fabric and is suitable for sheet textile products such as curtains. Test standard : JIS L1005-2009: Japanese standard for testing the dimensional stability of textiles to washing and drying. FZ/T62011.1-201: Chinese textile industry standard specifying requirements and test methods for household textile products. Test principle: 1. A light source (light bulb) is illuminated, and the light is irradiated to the photodetector of the illuminance meter; 2. Adjust the brightness of the light source to 10,000 (1X); 3. Determine the illuminance of the sample; 1: illuminance (lx) after installation of the sample; I0: no illumination of the specimen (I1: I1 / I0) × 100%, I1: Lx). Main feature: 1, with the determination of spectral transmittance function. 2, with the mouth and the photon detector integral ball. 3, with an optical device capable of generating a double beam. 4, two parallel beam of light and its beam axis of the incident angle of not more than 5 °. 5 has a function of scanning at a desired wavelength interval in the wavelength range of 380 nm to 780 nm. 6, with the sample in the tension-free state to keep the sample folder. Technical Parameters: Technical Parameters Specifications Test Mode Automatic Test Area 100 cm² Sample Block Size 200mm × 200mm Light Source 1000W Tungsten Lamp Voltage Range 0-130V (for 110V input) / 0-230V (for 220V input) Weight 50 kg Power Supply 220V, 50Hz Appearance Dimensions 650mm × 600mm × 1100mm Illuminance Range 0-199,900 LUX (Adjustable)
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