PCB-176A03
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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 dataEnglish unitsSI 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

Specific References

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176A03_drawing.PDF

176A03_drawing.PDF

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176A03_specs.PDF

176A03_specs.PDF

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