PCB-176A05

PCB-176A05

  • Pressure sensor with charge output for detecting combustion instability in turbines,
  • With ATEX / CSA approval,
  • Continuous use temperature up to 520 ° C,
  • With UHT-12™ sensor element,
    (no popcorn noise),
  • Measuring range 5 bar,
  • Sensitivity 750 pC/bar,
  • Frequency range up to 8,000 Hz,
  • Integrated hardline cable, length 3 m,
    ending on 7/16-27-connector

65
specifications
basic dataEnglish unitsSI units 
Sensitivity (±20%)52 pC/psi750 pC/bar 
measuring range75 psi5,2 bar 
maximum pressure (total)1,450 psi100 bar 
Resonance frequency> 40,000 Hz 
transverse resonance≥ 8.000 Hz 
upper frequency limit (±5%)8,000 Hz[2] [3]
Linearity error≤1% FS[1]
usage conditions
acceleration sensitivity0.003psi/g/0,00021 bar / g[4]
Acceleration sensitivity0,00069 bar/g[5]
temperature range (operation)-94... 968 ° F-70... 520 ° C 
temperature range (storage)-76... 500 ° F-60... 260 ° C 
temperaturesea curve below 
approval for use in potentially explosive atmospheresSee 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 polarityDifferential 
capacity (with cable from pin to pin)650 pF[6]
Internal resistance (at room temperature)≥109Ω 
Insulation resistance (from pin on housing at room temperature)≥1012Ω 
Internal resistance (at 520 ° C)≥50.000Ω 
Insulation resistance
(from pin on housing at 520 ° C)
≥100.000 Ω 
Physical properties
Sensor elementCeramic 
Geometry of the sensor elementCompression principle 
Housing materialNickel alloy 
SealingHermetically sealed welded 
Electrical connection2-pin canktor threaded 7/16-27 
Cable typeHardline cable with braided shield 
Weight (with cables)9.35 oz265 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

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