MIL-PRF-38230D
Table II. Friction, position, and vibration error
Test tolerance (± psi)
Test
Friction error (Note 1)
Ambient temperature
0.5
Low temperature
1.5
High temperature
0.5
Endurance (10,000 cycles)
0.5
0.5
Endurance (60,000 cycles)
1.5
Temperature-altitude
1.5
Low temperature exposure
0.5
High temperature exposure
0.5
Humidity
0.5
Power
0.5
Overpressure
Position error at 50 psi test point only
0.5
Vibration error (while vibrating)
Pointer oscillation
0.5
Pointer variation
0.5
Note 1: Friction error will be tested at test points in table I.
3.5.2 Overpressure. The TRU-66/A transmitter shall withstand a 100% (200 psi) overpressure
for a maximum of 10 minutes without being damaged.
3.5.3 Wire length. The transmitter shall operate as specified through transmitter-to-
indicator connections equal to or less than 300 feet using No. 20 AWG stranded copper
wire.
3.5.4
Weight. The weight of the transmitter shall be 1.0 pound or less.
3.5.5 Reliability. The transmitter shall have a minimum mean time between failures (MTBF) of
2,000 hours.
3.5.6 Operating life span. The transmitter shall have a minimum operating life span of 3,000
hours.
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