PCB-176A03
- Pressure sensor with charge output for detecting combustion instability in turbines,
- With ATEX / CSA approval,
- Continuous use temperature up to 650 ° C,
- With UHT-12™ sensor element,
(no popcorn noise), - Measuring range 20 bar,
- Sensitivity 232 pC/bar,
- Frequency range up to 10,000 Hz,
- Integrated hardline cable, length 3 m,
ending on 7/16-27-connector
"< td colspan ="2 "> see curve below"
| Specifications | |||
|---|---|---|---|
| Basic data | English units | SI units | |
| Sensitivity (±20 %) | 16 pC/psi | 232 pC/bar | |
| Measuring range | 290 psi | 20 bar | |
| Maximum pressure (total) | 2,000 psi | 137.9 bar | |
| Resonance frequency | ≥50.000 Hz | ||
| Transverse resonance | ≥10.000 Hz | ||
| Upper frequency limit | 10,000 Hz | [2] [3] | |
| Linearity error | ≤1% FS | [1] | |
| Conditions of use | |||
| Acceleration sensitivity | 0.003 psi/g | 0,00021 bar / g | [4] |
| Acceleration sensitivity | 0,00069 bar / g | [5] | |
| Temperature range (operation) | -94... 1200 °F | -70... 650 ° C | |
| Temperature range (connector) | -76... 500 ° F | -60... 260 ° C | |
| Influence of temperature | |||
| Approved for use in potentially explosive atmospheres | See operating instructions | ||
| Maximum exposure (integrated gamma flux) | 100,000,000 wheel | ||
| Maximum exposure (integrated neutron flux) | 10.000.000.000 N / cm² | ||
| Technical properties | |||
| Output polarity | Differential | ||
| capacity (with cable from pin to pin) | 170 pF | [6] | |
| Internal resistance (at room temperature) | ≥1012Ω | ||
| Isolation resistance (at room temperature) | ≥1012Ω | ||
| Internal resistance (at 650 ° C) | ?50 kΩ | ||
| Isolation resistance (at 650 ° C) | ≥100 kΩ | ||
| Physical properties | |||
| Sensor element | UHT-12™ | ||
| Geometry of the sensor element | Compression principle | ||
| Housing material | Nickel alloy | ||
| Sealing | Hermetically sealed welded | ||
| Electrical connection | 2-pin connector with 7/16-27 thread | ||
| Cable type | Hardline cable with braided shield | ||
| Cable length | 10 ft | 3 m | |
| Weight (with cables) | 17.6 oz | 500 grams | |
| Notes | |||
|---|---|---|---|
| [1] | Zero-balance just, determined using the method of least squares | ||
| [2] | The lower cut-off frequency depends on the used signal conditioning electronics. | ||
| [3] | Upper frequency limit is calculated on the basis of the resonance frequency | ||
| [4] | Nominal | ||
| [5] | Maximum | ||
| [6] | Typically | ||
| [7] | Details: see PCBs Declaration of conformance PS058 | ||
PCB-176A03
