Equipment Failure Rates: Sending Unit
C13-100 to C13-300
Equipment failure rates, MTBF, MTTR, and downtime statistics for electrical and mechanical plant equipment. Primary data from the USACE PREP reliability database (IEEE Std 3006.8-2018 Table 2), covering ~280 equipment classes. Supplemental data from IEEE motor and transformer surveys.
| equipment type | class code | description | failure rate per year (failures/year) | failures (count) | mdt hours (h) | mtbf hours (h) | mttm hours (h) | mttr hours (h) | standard | survey | unit years (unit-years) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sending Unit | C13-100 | Sending unit, air velocity | 0.006273 | 47 | 1.3 | 1,396,420 | 0.04 | 6.96 | IEEE Std 3006.8-2018 Table 2 | USACE PREP | 7,492.2 |
| Sending Unit | C13-200 | Sending unit, pressure | 0.012556 | 95 | 2.22 | 697,654 | 0.1 | 5.82 | IEEE Std 3006.8-2018 Table 2 | USACE PREP | 7,565.9 |
| Sending Unit | C13-300 | Sending unit, temperature | 0.001005 | 29 | 0.39 | 8,716,496 | 0.25 | — | IEEE Std 3006.8-2018 Table 2 | USACE PREP | 28,856 |
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