GSA A-A-1757-1981 LAMP SODIUM (HIGH PRESSURE)《钠弧灯(高压)》.pdf

《GSA A-A-1757-1981 LAMP SODIUM (HIGH PRESSURE)《钠弧灯(高压)》.pdf》由会员分享，可在线阅读，更多相关《GSA A-A-1757-1981 LAMP SODIUM (HIGH PRESSURE)《钠弧灯(高压)》.pdf（1页珍藏版）》请在麦多课文档分享上搜索。

1、 A-A-1757 62 W 7777779 000Lb T / A-A-175? December 31, 1981 COMMERCIAL ITEM DESCRIPTION LAMP, SODIUM (HIGH PRESSURE) The General Services Administration has authorized the use of this commercial item description. This description covers high pressure sodium lamps for general and street lighting. Sal

2、ient characteristics: Although the outer bulb shall be made of heat resistant glass, external protection of the lamp is still required Burning position - any. The lamps shall be clear. The lamps shall have the characteristics that are described in Table I. to eliminate the chance of bulb breakage du

3、e to direct contact with water during lamp operation. TABLE I Avg. Rated Max. Life Overall (10 hrs. Approx/Lumens Length per (Any burning pos.) Type ANSI Code Watts Volts Base Bulb (Inches) Start) Initial“ Mean* 1 S54SB-100 100 55 Mogul E-23K/BT-25 7-314 24,000 9,500 8,500 2 s55sc-150 150 55 Mogul E

4、-23K/BT-25 7-314 24,000 16,000 14,400 3 S50VA-250 250 100 Mogul E-18 9-314 24,000 27,500 24,750 4 S51WA-400 400 100 Mogul E-I8 9-314 24,000 50,000 45,000 5 S52XB-1000 1000 250 Mogul E-25 15-1/16 24,000 140,000 126,000 - * Initial lumen ratings based upon 100-hour photometry readings at rated lamp wa

5、tts. * Mean lumens shown are based on operation at approximately 50 percent of rated life, under specified test conditions with 10 or more burning hours per start. - The lamps shall be measured in accordance with ANSI C78.388. The issue of ANSI C78.388 in effect on the date of the solicitation shall

6、 be used to determine compliance with thse requirements. Regulatory requirements. The manufacturer shall utilize recovered materials to the maximum extent practicable. Packaging,packing, and marking. Packaging, packing, and marking shall be as specified in the contract or order. ANSI C78.388 is avai

7、lable from the American National Standards Institute Inc., 1430 Broadway, New York, NY 10018. MILITARY INTERESTS: CIVIL AGENCY COORDINATING ACTIVITY: User Activities GSA - FSS Navy - YD Air Force - 99 PREPARING ACTIVITY: GSA - FSS y, rZ* FSC 6240 /THIS DOCUMENT CONTAINS - / PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-