We usually when in contact scanner, often encounter many arcane technical terms: optical resolution (optical resolution), the maximum resolution (maximum resolution), color resolution (color depth), scan mode, the interface mode (connection interface) and the like. I will introduce the basic knowledge of these scanner, giving readers popularize knowledge about the scanning gun. So that we can better understand the scanner, when we buy scanner can be used as a reference. First we need to know what the resolution. Various types of scanner are marked its optical resolution and maximum resolution. Resolution unit is dpi, dpi is the abbreviation of the English Dot Per Inch, meaning the number of pixels per inch. After understanding the meaning of the resolution, let us look at the following parameters of the scanner to us how important it is. Optical resolution is the actual optical scanner system information can be collected, that is, the resolution of the scanner of the photosensitive member. For example, the maximum scan range of the maximum width 216mm × 297mm (for the A4 paper) of the scanner can scan for 8.5 inches (216mm), which contain 5,100 photosensitive elements of the original, the optical resolution of 5100 ÷ 8.5 英寸 = 600dpi . Common optical resolution is 300 × 600dpi, 600 × 1200dpi, 1200 × 2400dpi or higher. Industry sectors scanner application scanner applications is very broad, from life to manufacturing, basic everywhere. Here are some simple applications industries including scanning gun. A: manufacturing production in the manufacturing sector were the most frequent scanning gun, the purpose is to use the scanner pda scanner barcode data collection in the production line which, for statistical data analysis and processing by scanning gun collection. Two: commercial business activities among the places most scanner application should be the supermarkets, clothing stores, bookstores everywhere scanner which brand is good, with POS cash register system. Three: the logistics industry in the logistics industry which scanner wholesale, product packaging collected by scanning the barcode scanner gun, making greatly improved work efficiency and reduce the error rate. As the most popular logistics, courier, postal services, warehousing, freight and other four: public utilities, such as the tourism industry, government law enforcement agencies, insurance industry, etc., related to data collection will usually be applied to bar code scanner related products. Guangzhou State Association - scanner (recommended) _ Wholesale _ scanner scanner provided by the Guangzhou State Association. Looking for "cash register, scanner, bar code machines, management software, small ticket machines, cash registers, shredders" fly suppliers, network operators choose to have a full alliance Certified: Guangzhou Contracting State Information Technology Co., Ltd. ( www.gzdb899.com), trustworthiness and reliability, now click on the "Business Alliance customer service" on page live chat with us now!