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Accurate combustion dynamics monitoring depends on the integrity of your dynamic pressure sensors and high-temperature pressure transducers. Over time, exposure to extreme temperatures, pressure pulsation, vibration, and thermal cycling can cause sensitivity drift, frequency response degradation, and reduced signal quality. When combustion chamber diagnostics are based on inaccurate data, trip thresholds may be misapplied, instability events can go undetected, and emissions optimization efforts (including NOx control) are compromised.
Learn about on-site combustion dynamics & dynamic pressure sensor calibration service
Our on-site calibration service restores confidence in your gas turbine acoustic monitoring system. Sensors are removed from the turbine and calibrated for sensitivity and linearity using traceable reference standards at realistic combustion instability pressures. At the conclusion of the service, customers receive traceable calibration reports for each dynamic pressure transducer with serial and tag numbers noted. Any transducers that fail the calibration process are immediately reported to the instrumentation & controls team.
Re-certification of gas turbine pressure transducers aids in troubleshooting acoustic monitoring systems. When conducted in conjunction with pressure sensor electrical simulation, any faulty components of the measurement chain are easily identified for replacement. Knowing which hardware is failing – if any – allows instrumentation teams to save the expensive cost of replacing the pressure transducer, cabling or charge amplifier.
If hosting our Field Service Technicians on-site presents challenges, The Modal Shop also offers calibration services for combustion pressure sensors in our lab in Cincinnati, Ohio. But on-site services eliminate the risk of outage extension, sensor damage or loss in transit.
For maintenance managers and reliability engineers, on-site calibration of combustion dynamics pressure transducers means defensible data, improved turbine protection, and a cost-effective strategy that supports compliance, operational integrity, and long-term asset reliability.