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Intel Core Solo processor or equivalent, 1 GB RAM, 30 GB HDD; Windows XP, Windows Vista or Windows 7 operating system
SSD (Solid State Drive): Intel Atom processor or equivalent, min 16 GB SSD.
SSD drives are recommended when the survey data collection environment requires frequent transport of portable survey devices under harsh conditions; data collection outdoors and in high altitudes, frequent in and out of docking stations; and similar situations. Since solid state drives have no moving parts, they can endure shock and vibration without adverse reaction.
Among the benefits of choosing solid state drives over traditional hard drives are higher overall reliability (no hard drive to crash); faster data access time and higher transfer rate, lower power consumption in standby mode and virtually no altitude limitation.
The J3400 and J3500 tablet in outdoor configuration features a solid state drive. Other examples of portable survey devices available from the Digivey Survey Center featuring a Solid State Drive: Slate 500, U1; U2 Survey Anywhere.
Most frequently used are resistive touch screens. They have an overall very good performance with satisfactory durability.
Surface Acoustic Wave (SAW) touch technology is preferred where touch screens should be frequently disinfected or where gloved hands need to touch.
Newer touch technologies include APR (Acoustic Pulse Recognition). As is the case with resistive technology, APR accepts inputs from bare fingers, nylon pens and other utensils with round corners, e.g. plastic cards. APR also features very good scratch resistance.
Among the most scratch resistant touch technology are infrared touch screens.
Capacitive touch technology is still around but its usage seems to decline.
Where input flexibility is a concern, resistive and APR may be a good choice.
Light transmission is better with Surface Acoustic Wave and Acoustic Pulse recognition than with resistive touch technologies.
If chemical resistance is of concern, Acoustic Pulse Recognition, resistive and infrared are all good choices.