A-A-1511
March 4, 1981
COMMERCIAL ITEM DESCRIPTION
CLOCK, WALL
(ELECTRIC, DIGITAL)
The General Services Administration has authorized the use of this Commercial Item Description.
Salient characteristics:
Class and type. The class and type of clock shall be specified in the procurement documents.
Class A clocks shall have 12 hour time displays.
Class B clocks shall have 24 hour time displays.
Type I clock shall be battery powered. Batteries shall be commercially available, and have a lifetime of at least one full year.
Type II clocks shall draw power from 120 VAC, 60 Hz outlets. The power connection shall be appropriate for use on a standard three-prong single gang outlet.
Safety. The complete wall clock unit being offered shall conform to the applicable requirements of Underwriters Laboratories (UL) Standard No. 863.
Acceptable evidence of such conformance shall be the UL label, UL listing mark, or certified report from a recognized independent testing laboratory acceptable to the Government, indicating that the clocks being offered have been tested and conform to UL 863.
If any UL requirements or section of a requirement is not applicable to the clocks, the independent testing laboratory shall so state in their report, giving a brief, adequate explanation in each case.
Evidence of conformance shall accompany the bid.
The issue of UL standards in effect on the date of solicitation shall be used to determine compliance with these requirements.
Case. Cases shall be surface type with a concealed mounting that will not interfere with plugging in the clock over a single gang outlet.
Cord openings shall be smoothly rounded.
The overall dimensions of the clock shall be no more than 12-inches wide, 6-inches high, 4 inches deep.
Time display. Time displays shall be either light emitting diode (LED) or Liquid Crystal Display (LCD) type, at the manufacturer’s option.
Numerals shall be at least 2-inches high.
The display shall read constantly in hours and minutes.
Resetting. The clock shall have a simple means of resetting which does not require special tools, removing the clock from the wall or holding the clock with more than one hand.
Accuracy. The clocks shall be accurate to + 1.0 seconds per month, at 20oC: and shall not vary more than + 4.0 seconds per month at the temperature extremes of -10oC and + 30oC.
Workmanship. The complete wall clock unit shall be of sufficient quality to ensure trouble-free operation for at least the first five years. All component parts shall be compatible, properly fitted and securely attached. The clocks shall be free from rough or sharp edges, or other defects which may injure the user, or impair serviceability.
Certification. The contractor shall certify that the product offered meets the salient characteristics of this description and that the product conforms to the producer’s own drawings, specifications, standards, and quality assurance practices, and is the same product offered for sale in the commercial marketplace. The Government reserves the right to require proof of such conformance prior to first deliver and thereafter as may be otherwise provided for under the provisions of the contract.
Regulatory requirements. The manufacturer shall utilize the recovered materials to the maximum extent practicable.
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