Surface Acoustic Wave Touchscreens  
 

Surface Acoustic Wave technology is one of the most advanced touch screen types. It is based on sending acoustic waves across a clear glass panel with a series of transducers and reflectors. When a finger touches the screen, the waves are absorbed, causing a touch event to be detected at that point. Because the panel is all glass there are no layers that can be worn, giving this technology the highest durability factor and also the highest clarity. This technology is recommended for public information kiosks, computer based training, or other high traffic indoor environments. Advantages Disadvantages High touch resolution Highest image clarity All glass panel, no coatings or layers that can wear out or damage Must be touched by finger, gloved hand, or soft-tip stylus. Something hard like a pen won't work Not completely sealable, can be affected by large amounts of dirt, dust, and / or water in the environment.   Touchscreen Specifications Touch Type: Elo IntelliTouch Surface Acoustic Wave Cable Interface: PC Serial/COM Port or USB Port Touch Resolution: 4096 x 4096 Activation Force: less than 3 ounces Light Transmission: 90% Expected Life: 50 million touches at one point Temperature: Operating: -20°C to 50°C Storage: -40°C to 71°C Humidity: Operating: 90% RH at max 40°C, non-condensing Chemical Resistance: The active area of the touchscreen is resistant to all chemicals that do not affect glass, such as: Acetone, Toluene, Methyl ethyl ketone, Isopropyl alcohol, Methyl alcohol, Ethyl acetate, Ammonia-based glass cleaners, Gasoline, Kerosene, Vinegar Regulations: UL, CE, TUV, FCC-B Software Drivers: Windows XP, 2000, NT, ME, 98, 95, 3.1, DOS, Macintosh OS, Linux, Unix (3rd Party)