1、AMSC N/A FSC 6645 INCH-POUND MIL-DTL-7793/10C 19 October 2012 SUPERSEDING MIL-M-7793/10B 10 November 1994 DETAIL SPECIFICATION SHEET METER, TIME TOTALIZING, MINIATURE, DIGITAL, 115 V. 60 Hz This specification is approved for use by all Departments and Agencies of the Department of Defense. Reactivat
2、ed after 19 October 2012 and may be used for new and existing designs and acquisitions. The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-DTL-7793. FIGURE 1. M7793/10-001. 1.724 MAX 1.312.656 1.724 MAX 1.312 .656 4 X .140 .343READOUT DEVICE
3、 LOCATED WITHIN THIS AREA1.000 MAX.417 MAX1.568 1.524.200 MAX 1.250 1.062 MAXProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-7793/10C 2 FIGURE 2. M7793/10-001A through M7793/10-004A. REQUIREMENTS: 1. All dimensions are in inches. Unless other
4、wise specified, tolerances are 0.015 (three decimal) and 0.02 (two decimal). 2. Meters designated to be mounted by the front surface of the mounting flange shall have mounting flanges tin-plated on the front surface in accordance with ASTM-B545 to provide an electrical ground for the case. The rear
5、surface of the mounting flange shall be tin-plated for meters designed to be mounted by the rear surface of the mounting flange. 3. The alternate configuration, figure 2, meters may have a Cupro-Nickel material for the flange, and the desired surface unpainted to provide an electrical ground for the
6、 case; or use the method of requirement 2. See table I for the identified conductive surfaces. TABLE I. Meter readouts and flange conductive surface location. Part Number Readout Maximum Hours Flange Conductive Surface M7793/10-001 9999 or 9999.9 1/ Optional M7793/10-001A 9999 or 9999.9 1/ Rear M779
7、3/10-002A 99999 Rear M7793/10-003A 9999 or 9999.9 1/ Front M7793/10-004A 99999 Front 1/ Tenths of hours readout is optional for M7793/10-001, M7793/10-001A, and M7793/10-003A 1.724 MAX 1.312 .656 1.724 MAX 1.312.656 .343.200 MAX 1.568 MAX TWO HOOK TERMINALS POSITION OPTIONAL .030 DIA. WIRE .06 I.D.
8、HOOK .550 MAX.650 MAX.417 MAXREADOUT DEVICE LOCATED WITHIN THIS AREA 4 X .140 SEE REQUIREMENT 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-7793/10C 3 4. Meters may be supplied with an attached flange or a flange with a meter face separat
9、e from the meter. If a separate meter face is used it shall be fastened to the meter by Phillips head screw (#4-40), washer and hex nut. 5. Meters of the alternate configuration, figure 2, shall have a mounting kit of four Phillips head (#4-40) screws, washers and hex nuts supplied with each unit. 6
10、. Meter faces shall designate with proper marking “HOURS” or “HOURS AND TENTHS.” 7. Meters shall meet the performance requirements in table II. TABLE II. Meter Performance requirements. Performance requirement Figure 1 Part Number M7793/10-001 1/ Figure 2 Part Number M7793/10-001A 2/ And M7793/10-00
11、3A Figure 2 Part Number M7793/10-002A And M7793/10-004A Life accuracy 1.0% at 60 Hz 0.1% at 60 Hz 0.1% at 60 Hz Voltage range 100-130 VAC 100-130 VAC 100-130 VAC Frequency range 50 to 70 Hz 3/ 50 to 70 Hz 3/ 50 to 70 Hz 3/ Operating temperature range -65 C to +125 C -65 C to +125 C -65 C to +125 C P
12、ower consumption 3 watts maximum At 115 V 60 Hz 900 milliwatts max at 115 V 60 Hz 900 milliwatts max at 115 V 60 Hz Dielectric strength 2000 VAC at sea level 600 VAC at sea level and 350 VAC at 0.82 inch of Hg 600 VAC at sea level and 350 VAC at 0.82 inch of HgWeight 5.0 oz maximum 2.5 oz maximum 2.
13、5 oz Maximum 1/ M7793/10-001 supersedes MS90445-2. 2/ M7793/10-001A supersedes M7793/10-001. 3/ Accuracy is degraded at the same percent as the percentage change in input frequency from 60 Hz plus the specified accuracy tolerance. 8. Changes from previous issue. Marginal notations are not used in th
14、is revision to identify changes with respect to the previous issue due to the extent of the changes. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-7793/10C 4 Referenced documents. In addition to MIL-DTL-7793, this specification sheet refere
15、nces ASTM-B545. Custodians: Preparing activity: Army - AR Navy - AS Navy - AS (Project 6645-2012-012) Air Force - 99 Review activity: DLA - GS1 NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at https:/assist.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
