DOD A-A-51723-1986 METER FOOTCANDLE PHOTOELECTRIC《光电的米尺烛光》.pdf
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1、A-A-51723 bb W 9797974 0854b44 O m A-A-51723 28 November 1986 COMMERCIAL ITEM DESCRIPTION METER FOOTCANDLE, PHOTOELECTRIC The General Services Administration has authorized the use of this commercial item description. This commercial item description covers a photoelectric footcandle meter suitable
2、for the measurement of light. Salient characteristics: The meter shall be modularized, solid state, and portable. The meter shall measure collimator light beam illuminance with state-of-art sensitivity, resolution, and accuracy. The meter shall have no controls required to operate throughout specifi
3、c performance ranges. The meter shall have overall measurements that do not exceed 6-1/2“ high, 3-1/2“ wide, and 2“ deep, and weigh no more than 2 pounds. The meter shall operate from internal.battery power supply. shall be supplied without battery. It Unit shall measure illuminance from O to 50 foo
4、tcandles minimum. Unit accuracy shall be 5 percent of reading or better. Unit shall be digital readout. Subassemblies and chassis components shall be removable without unsoldering any other hard-wire subassembly or printed circuit card or component I 3MSC N/A FSC 6695 DISTRIBUTION STATEMENT A. is un
5、limited. Approved for public release; distribution Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-51723 bb m 7777774 0054645 2 m A-A-51723 The item shall perform within the following climatic condztions: a. Temperature, non-operating) -46% to +7
6、0OC. b, Temperature, operating; OC to 55OC. c. In an environment of 95 percent humidity. d. than 1 percent quartz or 5mg/m3 respirable dust. In an environment of 30 mppcf or 10 mg/m3 of totaj dust iesc Unit shall be furnished with a protective case. Chemical agent resistant coating is not required.
7、The meter shall be fully cosine corrected 0-90 degrees. - Workmanship. The photoelectric footcandie meter shali be free from defects which detract from its appearance oz impair its serfice- abil Sty. I- Unit, Each (EA). One meter, as specified, constitutes one unit. product offered meets the salient
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