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Sensors for Monitoring Combustion Instability in Gas Turbines

Pressure and vibration sensors for the most demanding gas turbine measurement
and monitoring requirements

For more than 50 years, PCB® has specialized in the design and manufacture of innovative sensors and measurement systems for the gas turbine market. In those five decades, our expertise in combustion dynamics instrumentation has met the industry's most demanding requirements for dynamic combustion measurement and turbine engine monitoring.

With the move toward increased fuel efficiency and lower exhaust emissions, today's gas turbine engines are based on technological innovation yet also bring potential problems. Burning a leaner flame keeps NOx emissions low but at the same time increases instability (combustion dynamics) in the gas turbine engine. This instability can damage components in the combustion chamber such as nozzles, baskets and transition pieces, as well as downstream components such as blades, resulting in downtime and loss of revenue.

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Model Number

Model:102M205

  • Measurement Range: (for ±5V output)100 psi
  • Measurement Range: (for ±5V output)689.5 kPa
  • Sensitivity: (±10mV/psi)50 mV/psi
  • Sensitivity: (±10mV/psi)7.25 mV/kPa
  • Low Frequency Response: (-5%)0.50 Hz
  • Low Frequency Response: (-5%)0.50 Hz
  • Resonant Frequency: >=250 kHz
  • Resonant Frequency: >=250 kHz
  • Electrical Connector: 10-32 Coaxial Jack
  • Electrical Connector: 10-32 Coaxial Jack
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Model Number

Model:121A44

  • Measurement Range: (for ±5V output)50 psi
  • Measurement Range: (for ±5V output)344.8 kPa
  • Sensitivity: (±15%)100 mV/psi
  • Sensitivity: (±15%)14.5037 mV/kPa
  • Low Frequency Response: (-5%)0.5 Hz
  • Low Frequency Response: (-5%)0.5 Hz
  • Resonant Frequency: >=60 kHz
  • Resonant Frequency: >=60 kHz
  • Electrical Connector: 2-Pin MIL-C-5015
  • Electrical Connector: 2-Pin MIL-C-5015
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Model Number

Model:EX171M01

  • Measurement Range: 10 psi
  • Measurement Range: 68.9 kPa
  • Sensitivity: (±20%)1100 pC/psi
  • Sensitivity: (±20%)160 pC/kPa
  • Temperature Range: (Operating)0 to 500 °F
  • Temperature Range: (Operating)-18 to 260 °C
  • Electrical Connector: 2-Pin MIL-C-5015
  • Electrical Connector: 2-Pin MIL-C-5015
  • Weight: 6.5 oz
  • Weight: 185 gm
$1255.00 USD
(Pricing valid in US only)
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Model Number

Model:176A02

  • Measurement Range: 725 psi
  • Measurement Range: 50 bar
  • Sensitivity: (+/-20%)6 pC/psi
  • Sensitivity: (+/-20%)87 pC/bar
  • Sensing Element: UHT-12™
  • Sensing Element: UHT-12™
  • Temperature Range: (Continuous)-94 to 1200 °F
  • Temperature Range: (Continuous)-70 to 650 °C
  • Electrical Connector: 7/16-27 2-Pin
  • Electrical Connector: 7/16-27 2-Pin
$4035.00 USD
(Pricing valid in US only)
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Model Number

Model:176A03

  • Measurement Range: 290 psi
  • Measurement Range: 20 bar
  • Sensitivity: (±20%)16 pC/psi
  • Sensitivity: (±20%)232 pC/bar
  • Sensing Element: UHT-12™
  • Sensing Element: UHT-12™
  • Temperature Range: (Continuous)-94 to 1200 °F
  • Temperature Range: (Continuous)-70 to 650 °C
  • Electrical Connector: 7/16-27 2-Pin
  • Electrical Connector: 7/16-27 2-Pin
$5245.00 USD
(Pricing valid in US only)
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Model Number

Model:176A04

  • Measurement Range: 300 psi
  • Measurement Range: 20.7 bar
  • Sensitivity: (±20%)15.5 pC/psi
  • Sensitivity: (±20%)225 pC/bar
  • Sensing Element: UHT-12™
  • Sensing Element: UHT-12™
  • Temperature Range: (Continuous)-65 to 662 °F
  • Temperature Range: (Continuous)-54 to 350 °C
  • Electrical Connector: 2-Pin
  • Electrical Connector: 2-Pin
$5995.00 USD
(Pricing valid in US only)
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Model Number

Model:176A05

  • Measurement Range: 75 psi
  • Measurement Range: 5.2 bar
  • Sensitivity: (±20%)65 pC/psi
  • Sensitivity: (±20%)942.7 pC/bar
  • Sensing Element: Ceramic
  • Sensing Element: Ceramic
  • Temperature Range: (Continuous)-94 to 968 °F
  • Temperature Range: (Continuous)-70 to 520 °C
  • Electrical Connector: 7/16-27 2-Pin
  • Electrical Connector: 7/16-27 2-Pin
$4035.00 USD
(Pricing valid in US only)
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Model Number

Model:176M03

  • Measurement Range: 20 psi
  • Measurement Range: 1.4 bar
  • Sensitivity: (±20%)17 pC/psi
  • Sensitivity: (±20%)247 pC/bar
  • Sensing Element: UHT-12™
  • Sensing Element: UHT-12™
  • Temperature Range: (Continuous)-94 to 986 °F
  • Temperature Range: (Continuous)-70 to 530 °C
  • Electrical Connector: 7/16-27 2-Pin
  • Electrical Connector: 7/16-27 2-Pin
$4075.00 USD
(Pricing valid in US only)
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Model Number

Model:176M07

  • Measurement Range: 20 psi
  • Measurement Range: 1.4 bar
  • Sensitivity: (±20%)17 pC/psi
  • Sensitivity: (±20%)247 pC/bar
  • Sensing Element: UHT-12™
  • Sensing Element: UHT-12™
  • Temperature Range: (Continuous)-94 to 986 °F
  • Temperature Range: (Continuous)-70 to 530 °C
  • Electrical Connector: 7/16-27 2-Pin
  • Electrical Connector: 7/16-27 2-Pin
$4075.00 USD
(Pricing valid in US only)
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Model Number

Model:176M09

  • Measurement Range: 20 psi
  • Measurement Range: 1.4 bar
  • Sensitivity: (±20%)17 pC/psi
  • Sensitivity: (±20%)247 pC/bar
  • Sensing Element: UHT-12™
  • Sensing Element: UHT-12™
  • Temperature Range: (Continuous)-94 to 986 °F
  • Temperature Range: (Continuous)-70 to 530 °C
  • Electrical Connector: 7/16-27 2-Pin
  • Electrical Connector: 7/16-27 2-Pin
$4075.00 USD
(Pricing valid in US only)
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Model Number

Model:176M12

  • Measurement Range: 20 psi
  • Measurement Range: 1.4 bar
  • Sensitivity: (±20%)17 pC/psi
  • Sensitivity: (±20%)247 pC/bar
  • Sensing Element: UHT-12™
  • Sensing Element: UHT-12™
  • Temperature Range: (Continuous)-94 to 986 °F
  • Temperature Range: (Continuous)-70 to 530 °C
  • Electrical Connector: 7/16-27 2-Pin
  • Electrical Connector: 7/16-27 2-Pin
$4075.00 USD
(Pricing valid in US only)
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