DLA A-A-50215 A-1988 PLANIMETER POLAR COMPENSATING WITH CASE《带盒补偿定极求积仪》.pdf
《DLA A-A-50215 A-1988 PLANIMETER POLAR COMPENSATING WITH CASE《带盒补偿定极求积仪》.pdf》由会员分享,可在线阅读,更多相关《DLA A-A-50215 A-1988 PLANIMETER POLAR COMPENSATING WITH CASE《带盒补偿定极求积仪》.pdf(4页珍藏版)》请在麦多课文档分享上搜索。
1、A-A-50215A 66 7777774 0010177 T = s -21 -/e A-A-50215A February 11, 1988 SUPERSEDING A-A-50215 September 14, 1983 COMMPRCIAL TTEM DESCRIPTION PLANTMETER, POLAR, COMPENSATING, WITH CASE The General Services Administration has authorized the use of this commercial item description in preference to Mil
2、itary Specification ML-P-20664. This commercial item description covers Planimeters, Polar, Compensating, used for measuring areas of a plane figure by tracing or optically observing its boundary lines. Salient Characteristics: Design: The planimeter shall be of the compensating polar type. The plan
3、imeter shall consist of two principal parts: a. The tracer arm which carries the tracing point and recording carriage with measuring wheel. length of not less than 6 inches to enable setting the recording carriage vernier to hundredths ac any scale within the range of the instrument. The tracer need
4、le shall have an adjustable point, and be provided with a fingertip guider at the outer end of the tracer arm. The arm shall be graduated for an effective b. The pole arm shall be adjustable from approximately 6 inches to 13 inches and have an engraved scale and vernier for settings when the instrum
5、ent is used with the pole inside a figure. The instrument constant can be adjusted to a round number for any setting of the recording carriage. Graduation: The graduations on the tracer arm and pole arm shall be machine divided and shall be spaced not more than 0.5 millimeter (mm) when the metric sy
6、stem is used, or 0.025 inch when the decimal inch system is used. Area Coverage: The planimeter shall measure the area within a circle having a 16 inch radius when the pole is within the circle and shall measure the area of a circle 12 inches in diameter when the pole is outside the circle. Testing
7、Rule: A metal testing rule shall be furnished with each plani- me ter. AMSC N/A FSC 6675 DISTRIBUTION STATEMENT A. Approved for public re-lease; distribution is unlimited. THIS DOCUMENT CONTAINS y PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-
8、,-A-A-50215A Graphs: Two graphs shall be provided, one for square inches and one for square centimeters, - Case: The planimeter shall be furnished in a fitted case for protection. The case shall have a hinged cover and a fastener, Accuracy: The instrument shall check the area engraved on the testing
9、 rule and vernier units indicated on the graphs within 1.0 percent. Material: Corrosion resisting metal. Literature: The planimeter shall include the standard commercial operating I instructions and parts list. Part number. The document part number for the planimeter polar compensaking shall be as f
10、ollows: AA50215 - I I I Dash nuniber for this item. CIn identifier, Regulatory requirements. The offeror/contractor is encouraged to use recovered materials in accordance with Public Law 94-580 to the maximum extent practical. Packaging and marking. Military packaging shall be specified when shipmen
11、ts are to overseas Department of Defense (DoD consignees. Commercial packaging may be specified for shipments to DoD consignees within the Continental United States and to non-DoD consignees worldwide. satisfy the requirements or militarv packaging, it may be used. Military packagitig. protect again
12、st physical damaae and deterjoration i.n a logistic environment characterized by the following: When a suppliers normal packaging will Each plnlmeter in its case shall be pi-eserved and packed ta 1. 2. 3. Uncontrolled varehouse storage for extended periods. 4. 5. Multiple handling during transportat
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
10000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- DLAAA50215A1988PLANIMETERPOLARCOMPENSATINGWITHCASE 补偿 定极求积仪 PDF

链接地址:http://www.mydoc123.com/p-686170.html