The touch stroke keyboards of certified quality covered by thisSpecification:
Shall utilize a copper clad and etched printed circuit board ofno more than 1161 square centimeters (180 square inches) in area,and employ the metal “dome” switch technology in the contactsystem.
Shall utilize a smooth or embossed overlay of polyester orpolycarbonate as the front panel surface, the overlay being printedin the color(s), configuration and with the nomenclature requiredby the procurement documentation.
Shall have a minimum center-to-center spacing of the “dome”contacts of 12.7 mm (0.500 inch).
Shall have a maximum rated Voltage of 24 Vdc, a maximum ratedcurrent of 10 a, a minimum voltage breakdown of 250 Vac, a minimumlife expectancy of 1,000,000 operations per contact, and shall havecontact characteristics compatible with digital logiccircuitry.
Are intended for use in indoor controlled environments.
Object
The object of this Detail Specification is to provide allinformation required for identification, quality assessment andcertification of these keyboards. The information contained hereinor by reference is complete and sufficient for inspectionpurposes.
- Edition:
- 88
- Published:
- 07/01/1988
- ANSI:
- ANSI Approved
- Number of Pages:
- 15
- File Size:
- 0 files
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