
Table C.1 iTouch Touchmonitor Specifications
Mechanical
| Positional Accuracy | Standard deviation of error is less than 0.080 in. (2.03 mm). Equates to less | 
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 | than ±1%. | 
| Touchpoint Density | More than 100,000 touchpoints/in2 (15,500 touchpoints/cm2). | 
| Touch Activation Force | Typically less than 3 ounces (85 grams). | 
| Surface Durability | Surface durability is that of glass, Mohs’ hardness rating of 7. | 
| Expected Life | No known  | 
| Performance | iTouch technology has been operationally tested to more than 50 million touches in | 
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 | one location without failure, using a stylus similar to a finger. | 
| Sealing | Unit is sealed to protect against splashed liquids, dirt, and dust. | 
| Optical | 
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| Light Transmission (per | 100% | 
| ASTM D1003) | 
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| Environmental | 
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| Chemical Resistance | The active area of the touchscreen is resistant to all chemicals that do not affect | 
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 | glass, such as: | 
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 | Acetone | 
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 | Toluene | 
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 | Methyl ethyl ketone | 
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 | Isopropyl alcohol | 
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 | Methyl alcohol | 
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 | Ethyl acetate | 
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 | |
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 | Gasoline | 
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 | Kerosene | 
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 | Vinegar | 
| Electrostatic Protection | Meets Level 4 (15 kV air/8 kV contact discharges). | 
| (per EN 61  | 
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