MIL-PRF-83174E
3.6.11 Cross-axis acceleration. The transmitter output shall not change more than 0.005g for
each 1g of cross-axis acceleration (90° to the sensitive axis).
3.6.12 Magnetic effect. When the transmitter is held in a magnetic field having a horizontal
intensity of 0.18 ± 0.01 oersted, in various positions, oriented magnetically east or west and not
more than 12 inches from the center of a free magnet, the deflection of the magnet shall not
exceed 5 degrees.
3.6.13 Output impedance. At full scale output the transmitter shall have an output impedance of
less than or equal to 0.5 ohm when driving a 1,000 ± 1% ohm load.
3.6.14 Electrical output. The output of the transmitter shall be a dc voltage directly proportional
to the acceleration on the sensitive axis. The electrical output range shall not exceed 10V dc (see
3.6.1). The required input-output characteristics are shown in Table IV.
3.6.15 Interchangeability. All parts having the same manufacturer s part number shall be
functionally and dimensionally interchangeable.
3.6.16 Case. The case shall be hermetically sealed to prevent atmospheric involvement in
operation.
3.6.17 Leakage. The transmitter seals shall allow no more than a 10% change of pressure over
1,000 hours with a pressure differential of 1 atmosphere.
4. VERIFICATION
4.1 Classification of inspections. The inspection requirements specified herein are classified as
follows:
a. First article inspection (see 4.2).
b. Conformance inspection (see 4.3)
4.2 First article inspection. First article inspection shall be performed on at least 13 transmitters
of each type represented. Three of the transmitters shall be subjected to tests indicated in 4.6,
except 4.6.18. The remaining transmitters (10 minimum) shall be subjected only to test 4.6.18.
4.3 Conformance inspection. Conformance inspection shall include the tests indicated in 4.3.1
and 4.3.2.
4.3.1 Individual tests. Each transmitter shall be subjected to the tests indicated in 4.6.1 through
4.6.6.
4.3.2 Sampling tests. Transmitters shall be selected as indicated below and subjected to all of
the tests specified in 4.6, except 4.6.18. In addition, 6 of each group of up to 200 shall be
selected and tested according to 4.6.18.
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