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　　The Swiss brand Vibro-Meter (now part of Parker Meggitt / Meggitt SA) CP series piezoelectric dynamic pressure sensors are specifically designed for long-term monitoring of combustion dynamics in gas turbine combustion chambers. Utilizing VC2 single-crystal piezoelectric material, compression mode, and charge output, they feature wide temperature range, wide frequency range, radiation resistance, and explosion-proof characteristics. They are the original equipment manufacturer (OEM) choice for gas turbine manufacturers such as GE.

　　Full Specifications

　　Output Method: Charge output (2-wire, insulated from housing), requires external charge amplifier

　　Sensitivity: 25 pC/bar (1.72 pC/psi)

　　Dynamic Range: 0.0005 ~ 250 bar; Overload Capacity ≤ 350 bar

　　Linearity: < ±1%

　　Resonant Frequency: > 80 kHz

　　Acceleration Sensitivity: ≤ 0.0625 pC/g

　　Radiation Resistance: No effect from γ 10¹¹ erg/g or neutron 10¹⁸ n/cm²

　　Shock Resistance: < 2000 g peak (sensitive axis, 1 ms)

　　Material: NIMONIC® Alloy 90 housing (sealed weld), INCONEL® 600 cable sheath

　　Weight: Approx. 12 g (excluding cable)

　　Explosion-proof Certification: Ex ib IIC T6…790°C Gb (ATEX, KGS, TR CU)

　　Nuclear-grade certification: Meets NRC Guide 1.20 and IEEE 323-1974

　　Measurement Link

　　Gas turbine combustor/high-pressure pipeline pulsation → Piezoelectric sensor (charge output) → Integrated MI mineral-insulated cable (0.5~40 m optional) → LEMO or Vibro-Meter high-temperature connector → IPC704 signal conditioner (charge → voltage/current) → Monitoring system (combustion pulsation monitoring, low NOx optimization, surge alarm).

　　Accessories: Mounting adapter MA104 (LEMO)/MA126 (high-temperature connector), seal 143-215-9XX, electrical isolation unit GSI127.

　　Main Applications

　　Gas turbine combustor pulsation/combustion dynamics monitoring (low NOx optimization, oscillation alarm), nuclear power plant primary loop pressure pulsation (PWR/BWR/FBR/HTGR), aerospace engine high-temperature pressure measurement.

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