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Thermal effect on zero and sensitivity shift |
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|  MIL-T-23588C(OS)
4.4.1.1 Vibration, nonoperating. The transducer s-hall be subjected to
the "Vibration, nonoperating" test of MIL-E-82590 and thereafter shall
meet the requirements of 3.5.1.1.
*
4.4.1.2 Vibration, operating. The transducer shall be subjected to the
"vibration, operating" test of MIL-E-82590 and during and thereafter shall
meet the requirements of 3.5.1.2.
4.4.2 Temperature and humidity
*
4.4.2.1 High temperature and humidity, nonoperating. The transducer
shall be subjected to the "High temperature and humidity, nonoperating"
test of MIL-E-82590
and thereafter shall meet the requirements of 3.5.2.1.
*
4.4.2.2 High temperaturem operating. The transducer shall be subjected
to the "High temperature, operating" test of MIL-E-82590 and, while at
the test temperature, shall meet the requirements of 3.5.2.2.
*
4.4.2.3 Low temperature, nonoperating. The transducer shall be sub-
jected to the Low temperature, nonoperating" test of MIL-E-82590 and
thereafter shall meet the requirements of 3.5.2.3.
*
4.4.2.4 Low temperature, operating . The transducer shall be subjected
to the "Low temperature, operating" test of MIL-E-82590 and, while at
the test temperature, shall meet the requirements of 3.5.2.4.
*
4.4.2.5 Thermal effect on zero and sensitivity shift. With 8 volts,
400 Hz applied, the transducer shall be placed within a test chamber
and subjected to the following temperatures and pressures for a period
of one hour at each temperature setting:
4.4.2.6 Thermal shock. With no pressure, 8 volts, 400 Hz applied to
the transducer, measure and record the output voltage. Prior to immer-
sion, ensure that the pressure tap of transducer is open and that the
cavity is filled with water at a differential temperature of 40 degrees F.
Completely submerge the transducer in water at a differential temperature
of 40 degrees F from that of the transducer, for a one minute period.
Measure and record the output voltage at 10, 20, 30, and 45 seconds, and
*
at one, two, three and five minutes after immersion. The transducer shall
meet the requirements of 3.5.2.7.
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