Preproduction and periodic production tests

Page Title: Preproduction and periodic production tests
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MIL-R-23811(Wep) l

4.4.4.27 Insert an open circuited phone plug or equivalent into phone jack J1. The

oscillograph lamp shall be extinguished.

4.5 Preproduction and periodic production tests

4.5.1 Vibration. The recorder, less pack and packaging, shall be mounted rigidly,

secured with the mounting base horizontal to a vibration device, utilizing the four

mounting holes in the base. The recorder shall be vibrated vertically for a period of

3 hours at a frequency of 60 cycles per second and a double amplitude (peak-to-peak)

of 0.016 plus or minus 0.002 inch. At the conclusion of this test the recorder shall

meet the performance requirements and product characteristics of this specification.

4.5.2 Temperature and humidity. The recorder, less pack and packaging, shall

be placed in a test chamber and subjected to a temperature of plus 160 degrees F,

plus or minus 5 degrees F, 90 to 95 percent relative humidity, for a period of 24

hours. Condensation from the test chamber shall not be allowed to drip onto the

recorder. At the conclusion of the test and after returning to room temperature the

recorder shall meet the performance requirements and product characteristics of this

specification. Prior to checkout, wiping or airhose drying may be performed, but no

drying by heating or baking shall be done.

4.5.3 Light tightness. The film magazine of the oscillograph portion of the

recorder shall be tested as specified in MIL-O-23560/4 and shall conform to the

exposure requirements specified therein.

4.5.4 Oscillograph characteristics. The oscillograph portion of the recorder

shall be tested for damping, film speed, frequency response, and balance as specified

in section 4 of MIL-O-23560/4 and shall conform to the requirements listed therein.

4.5.5 Operating life. The recorder shall meet the performance requirements

specified in MIL-O-23560/4 for the oscillograph and MIL-P-23810, for the recording

component panel.

4.6 Failure of the recorder to meet any of the requirements and tests of this

specification shall be cause for rejection.

4.7 Preservation, packing, and packaging. The inspector shall ascertain that

the preservation, packing, andpackaging of the recorder conform to section 5 of this

specification.

5. PREPARATION FOR. DELIVERY

5.1 Preservation and packaging (See 6.2)

Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business