【Professional Standard Measurement】Transmittance tester conforms to ASTM and ISO industry test standards, stable testing performance.With a built-in stable light source, test results are unaffected by external interference. No preheating is required before use; testing can begin immediately after power-on calibration, and measurement results are available in just 1.5 seconds. 【Simple To Operate】Glass haze tester equipped with 7inch clear digital display touchscreen, simple operations interface, convenient for staff to quickly complete sample detection and record test data.Complete supporting accessories and detailed user manual, easy to install and use 【Open Measurement】Thin-film transmittance meter features an open measurement area and supports four measurement apertures: 20mm, 15mm, 8mm, and 4mm. Please select the appropriate aperture based on your needs and tell us which best suits your requirements. There are no size limitations for sample measurement; both vertical and horizontal measurements are possible, meeting the needs of testing haze and transmittance for large-size or liquid samples. 【User-Friendly】The light transmittance meter comes with PC software that connects via USB. It provides professional software for measuring and analyzing haze and transmittance, allowing for large-scale data storage. This facilitates quality monitoring and measurement data management for businesses, generating test reports, and enabling the analysis, saving, and printing of test results 【Widely Used】Our digital light transmittance haze meter is professional industrial testing equipment, which can accurately measure haze and light transmittance of various transparent materials. Widely applicable to architectural glass, automobile film, packaging film, plastic sheet, optical materials and other product performance testing.