| COMPARISON CHART
|
 |
|
Attribute
|
4-Wire
Resistive
|
Digital
Matrix
|
5-Wire
Resistive
|
Surface Wave
|
COST:
Touch Panel
|
Low Cost |
Low Cost |
Good, all sizes. Especially for sizes 10.4" or smaller
|
Moderate |
COST:
Touch Controller
|
Low Cost
|
Low Cost
|
Moderate
|
Moderate |
Size
Recommendation
|
Best for 10.4" and smaller
|
Good for all sizes
|
Good for 6.4", 8.4" and 10.4". Very good for 12.1" and higher
|
Good for all sizes if this high-end technology required
|
| Scratch and Damage Resistance
|
Good, hard-coated
|
Good, hard-coated
|
Very Good. Hard coated and not affected by deep surface scratches
|
Excellent. Pure glass surface not affected by scratches
|
| Calibration Stability
|
Fair, best 10.4" or smaller, required periodically
|
Good, calibration required at set-up and periodically, but less frequently than 4-wire
|
Excellent, no calibration required; drift-free
|
Excellent. No calibration required; drift-free
|
Life
|
Good 1 million + touches
|
Good, 1 million + touches. Best for instrumentation and most industrial automation
|
Very Good. 35 million + touches. Best for retail POS and industrial automation
|
Very Good. 50 million + touches. Best for unattended POI
|
| SPECIFICATIONS AND SELECTION GUIDE
|
 |
|
Touch screen: analog resistive
Provided Sizes: 3.8" - 20.1"
|
| Optical
|
| Film – anti-glare/polish, anti-reflective |
| Light Transmission – 80% standard; 85% VLT available |
| Electrical
|
| Insulation Impedance – 20M ohm or >@ DC 25V |
| Operation Voltage – DC 5V (Max 5.5V, 3.3V available after customization) |
| Linearity – 98.5% (bias less than 1.5%) |
| Chattering Time – 10msec or less mechanical |
| Mechanical
|
| Input Method – finger, pen or gloved hand |
| Touch Activation Force – 125 Grams |
| Surface Hardness – scrape hardness 4H of ASTM D3365 and 3H JIS K5400 |
| Supported Operating Systems
|
| MS-DOS, Windows 95/98, Windows XP, Windows CE, ME/2000NT, MAC, Linux, Unix |
| Sensor Thickness (Film on Glass)
|
| 1.40 +/-0.21mm – available |
| 2.13 +/-0.21mm – available |
| 3.35 +/-0.21mm – developing |
| *Custom thicknesses available |
| Reliability
|
| Operation Temperature – -20ºC, -60ºC, <50% relative humidity dew condensation |
| Storage Temperature – -40ºC, -70ºC, <50% relative humidity dew condensation |
| Humidity – 50ºC at 90% relative humidity or lower for 240 hours, no dew condensation |
| Touch Durability – 35 million touches in a single location* |
| Pen Hitting Durability – 6 million* |
| Pen Sliding Durability – 500,000 strokes* |
| *350 gram force NEMA 4, 12 and IP 65 capable |
| Durability / Reliability
|
Chemical Resistance: ASTM F 1598-95 – 6% HC1, 40% H2SO4, 10% NaOH,
gasoline, acetone |
| ASTM D 1308-87 – beer, tea, coffee, cola, ink, bleach |
| Warranty: 2-year standard warranty. Long term warranty available. |