Low-E glass can transmit visible light and reflect most of the infrared radiant heat. It has high light transmittance and heat preservation and insulation effect. This glass has high requirements for light transmittance and infrared transmittance of materials. Linshang Low-E glass Spectrum Transmission Meter LS183 can accurately test the transmittance and infrared transmittance, which is an effective and fast method for detecting Low-E glass.
Low-E glass is also known as low-emissivity glass. In summer, it can transmit visible light, and at the same time block the strong infrared radiation heat released from asphalt roads, buildings, etc., greatly reducing the air conditioning cost in the room. In winter, visible light can enter the room. At the same time, the infrared radiation heat in the room is reflected back into the room, so that heat will not be lost through the glass, so that the indoor temperature can be excellently maintained, and the heating cost in the winter room can be reduced.
Based on the characteristics of Low-E glass, it is generally required to measure the light transmittance and the infrared transmittance when measuring the optical properties of Low-E glass. Linshang Technology LS183 Spectrum Transmission Meter is an instrument specially designed to test the transmittance, infrared transmittance and UV transmittance of glass.
The LS183 Spectrum Transmission Meter measures the light transmittance of 380nm-760nm full-wavelength white light, the infrared transmittance of 940nm and the ultraviolet transmittance of 365nm. One instrument can simultaneously test three parameters. With a 47mm test slot, it is not only suitable for the testing of single-layer coating Low-E glass, but also for the large thickness Low-E glass.
After connecting the instrument to the power supply, turn it on. When the Spectrum Transmission Meter screen shows three 100%, put the Low-E glass to be tested. As shown in the figure below, it can be seen that the light transmittance of this Low-E glass is 27.8%, and the infrared transmittance is 22.1%. In addition, you can also see the UV transmittance. Under the same production process, if a Low-E glass has a high light transmittance and a low infrared transmittance, we can basically judge that this glass is a relatively good Low-E glass.
Low-E glass has superior light transmission and thermal insulation properties compared to ordinary glass and traditional architectural coated glass. However, in today's advocacy of energy saving and emission reduction, we are unable to visually identify whether the various glasses on the market really have the excellent performance of Low-E glass. Therefore, if you want to choose a really good Low-E glass, it is recommended to carry out objective data analysis by the above Low-E glass Spectrum Transmission Meter.