CDMS Specifications

Data Sheets for Combustion Dynamics Monitoring System

Davidson's temperature-tolerant sensors are designed to be positioned flush with the inside of the basket/liner on the Siemens and GE engines where they make direct high-fidelity measurements of the combustion dynamics. The signal is reproduced without any distortion due to waveguides, attenuation, or resonance. Further, the sensors are not adversely affected by vibration, grounding, EMI, or thermal transients.

Frequency Response: 2 Hz to 10 kHz +/- 0.4 dB
Pressure Sensitivity: 400 mV per psi (nominal)
Dynamic Pressure Range: +/-5 psi
Static Pressure Limit: 1000 psi
Acceleration Sensitivity: < 0.001 psi per g
Thermal Stability: Calibrated for 800°F; 1% per 100°F variance
Thermal Sensitivity: Insensitive to Transient Thermal Events
Thermal Sensitivity 0.01%/°F
Temperature Limits: Transducer 1000°F
Tactical Cable 500°F
Home Run Cable 180°F
Signal Conditioner 100°F