AIR FORCE A-A-58032-1994 TEST SET ELECTRICAL POWER《电力测试装置》.pdf
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1、_ A-A-58032 H 9999974 OLb5470 97T INCH POUND October 17, 1994 A-A-58032 COMMERCIAL ITEM DESCRIPTION TEST SET, ELECTRICAL POWER The General Services Administration has authorized the use of this Commercial Item Description ( CID ) for all federal agencies. 1. sco PE. This CID, describes a Test Set, E
2、lectrical Power. This CID is meant as a minimum requirement for the Test Set, Electrical Power in which only those manufacturers that meet or surpass the following requirements are qualified per this CID. The Test Set is to be used for making level, frequency, noise, and noise-to-ground measurements
3、 on telephone lines. 2. CLASSIFICATION, Equipment covered by this CID may be commercially available equipment modified to the extent necessary to meet the following description. The equipment shall be Type III, Class 5, Style E and Color R in accordance with MIL-T-28800. 3. SALIENT CHARACTERISTICS,
4、3.1 Desim and Co nstruction, The equipment shall be UL (Underwriters Laboratories) listed and approved and/or shall comply with the type III safety requirements of MIL-T-28 800. 3.2 Electrical Power Sources. The equipment shall operate from nominal commercial, military and shipboard power sources of
5、 115/230 volts AC (+-lo%) at line frequencies of 50 Hz to 60 Hz. Transient state conditions shall meet MIL-T-28800 Class 5 requirements. The unit shall also operate from an internal, rechargeable battery pack for a minimum of three (3) hours. Beneficial comments, recommendations, additions, deletion
6、s, clarifications etc., and any data which may improve this document should be sent to: The Resources and Logistics Services Division, SA-ALC/TILDD, Bldg. 171, Post C-12,485 Quentin Roosevelt Rd., Kelly AFB TX 78241 -6524. AMSC N/A FSC 6625 DISTRIBUTION S TATEM ENT A. Approved for public release; di
7、stribution is unlimited. Licensed by Information Handling ServicesProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- A-A-56032 W 9999974 OLb5q7L 806 W A-A-58032 3.3 (a) ODeratine Temperature. The equipment shall meet its performance and accuracy requir
8、ements in an operating environment of 0C to +5OoC. (b) -. The equipment shall meet its performance and accuracy requirements in a non-operating environment of -40C to +60C. 3.4 1). The equipment MTBF shall be 2,000 hours. The lower test MTBF shall be 2,000 hoursand the upper test MTBF shall be 4,000
9、 hours. 3.5 Pre-conditionin- Requirement. Each deliverable equipment shall be capable of being subjected to the environmental screening effects of bum in and thermal cycling, with thermal cycling being accomplished in the sample testing phase. 3.6 Calibration and Maintenance Adjustments. The design
10、of the system shall provide for readily accessible calibration adjustments and maintenance adjustments. These adjustments shall be provided by variable value components which are adjustable by the use of simple means. The calibration by substitution of selected components or parts is unacceptable un
11、less specifically approved. The calibration. adjustments, wherever possible, shall be accessible without removal of the instrument case or modules. The calibration interval shall be a period of one year or greater based on an operating time of 2,000 hours. 3.7 Performance Characte ristics. The Test
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