Elo TouchSystems ET1724L-7SWR-1-NL - Manual (Page 39)

C-32 E l o E n t u i t i v e T o u c h m o n i t o r U s e r G u i d e
AccuTouch Touchscreen Specifications
See http:/www.elotouch.com/products/accutec/accuspec.asp for complete and
updated specifications.
Mechanical
Positional Accuracy Standard deviation of error is less than 0.080 in. (2.03 mm). Equates to
less than ±1%.
Touchpoint Density More than 100,000 touchpoints/in 2 (15,500 touchpoints/cm 2 ).
Touch Activation Force Typically less than 4 ounces (113 grams).
Surface Durability Surface durability is that of glass, Mohs’ hardness rating of 7.
Expected Life Performance AccuTouch technology has been operationally tested to more than 35
million touches in one location without failure, using a stylus similar to a
finger.
Sealing Unit is sealed to protect against splashed liquids, dirt, and dust.
Optical
Light Transmission (per ASTM D1003) 80%; ±5%
Visual Resolution All measurements made using USAF 1951 Resolution Chart, under 30X
magnification, with test unit located approximately 1.5 in (38 mm) from
surface of resolution chart.
Antiglare surface: 6:1 minimum.
Gloss (per ASTM D2457 using a
60-degree gloss meter) Antiglare surface: Flat: 90 ± 20 gloss units.
Environmental
Chemical Resistance The active area of the touchscreen is resistant to all chemicals that do not
affect glass, such as:
Acetone
Methylene chloride
Methyl ethyl ketone
Isopropyl alcohol
Hexane
Turpentine
Mineral spirits
Unleaded Gasoline
Diesel Fuel
Motor Oil
Transmission Fluid
Antifreeze
Ammonia based glass cleaner
Vinegar
Electrostatic Protection
(per EN 61 000-4-2) The touchscreen withstands 20 discharges of 15KV, distributed randomly
across the active area of the touchscreen with proper transient protection.