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The CA303 144-303-000-011 is a high-temperature piezoelectric accelerometer manufactured by Vibro-Meter. This series of sensors serves vibration monitoring in extremely harsh environments, including gas turbines and aircraft engines.
Designed for high temperature gas turbine applications
Continuous operation up to 455°C (850°F)
Improved transverse frequency resonance
The CA 303 series of high temperature accelerometers are designed specifically for gas turbines applications. They feature a rugged design with hermetically sealed connectors and 1/4" mounting bolts. An integral mineral insulated (MI) cable with stainless steel overbraid ensures signal integrity even in the most hostile environments.The differential output signal minimizes noise pick-up due to electrical ground potentials. A version with side connector is available when an integral cable is not required.
Under harsh operating conditions where conventional accelerometers experience failure or signal degradation due to extreme thermal environments, the CA303 provides a highly reliable vibration monitoring solution. It supports continuous and long-term operation in high-temperature zones up to 455°C (850°F), addressing the specific problems of signal distortion and sensor damage in key thermally stressed components such as turbine bearings and combustors. This effectively prevents catastrophic equipment failure and unplanned downtime caused by excessive vibration, ensuring the continuity and integrity of data acquisition.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Vibro Meter CP232 143-232-000-222 Piezoelectric Pressure Sensor Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Aerospace Industry
Vibration health monitoring of core hot-section components in aircraft engines (turbofans/turbojets) for commercial and military aviation.
Power Generation Industry
Real-time vibration monitoring of bearing housings and combustors in heavy-duty land-based gas and steam turbines for power grids.
Oil & Gas Industry
Fault diagnosis of massive gas-driven compressor trains at LNG transport hubs and long-distance pipeline compressor stations.
Petrochemical Industry
Vibration tracking of high-temperature hydrogenator reflux pumps operating under continuous radiant heat in cracker and refinery plants.
Iron & Steel Industry
Bearing fatigue monitoring of blast furnace blowers, Top-pressure Recovery Turbine (TRT) units, and hot rolling mill exhaust fans.
Pulp & Paper Industry
Vibration profiling and fault early warning for high-temperature dryer cylinder bearings in paper machines and black liquor recovery boiler blowers.
When utilizing the Vibro-Meter CA303 144-303-000-011, operators must strictly respect the 455°C thermal threshold and ensure tight casing fixation with 1/4" bolts for precise mechanical contact. Due to its high-impedance charge output, the integral mineral insulated cable and connector must avoid severe bending and remain perfectly clean and dry to prevent signal leakage. Furthermore, proper connection to a compatible charge conditioner and dual-core shielded differential wiring are vital to isolate ground-loop interference common around large rotating machinery.
The Vibro-Meter CA303 144-303-000-011 model withstands nonstop exposure to extreme temperatures up to 455°C (850°F) owing to its hermetic seal and fully welded Inconel 600 stainless steel build. This specialized sensor outputs a robust charge sensitivity of 50 pC/g. It also optimizes cross-axis accuracy via an upgraded transverse frequency resonance, covering operational frequencies from 5 Hz to 3000 Hz.
What is the Vibro-Meter CA303 144-303-000-011 piezoelectric accelerometer?
It is a high-temperature piezoelectric vibration sensor engineered for industrial extreme environments, such as gas turbines and aircraft engines, to deliver accurate and continuous vibration monitoring.
What core industrial problem does the Vibro-Meter CA303 144-303-000-011 solve?
It addresses the critical challenges of signal degradation and hardware failure that conventional vibration sensors face under high-temperature conditions, thereby preventing unplanned downtime.
Which core components of rotating machinery are monitored using the Vibro-Meter CA303 144-303-000-011?
It is deployed on thermally stressed components, such as turbine bearings, combustors, and other high-risk, high-temperature zones.
What special material is used for the housing of the Vibro-Meter CA303 144-303-000-011?
It features a welded construction utilizing Inconel 600 stainless steel alloy, which offers exceptional resistance to oxidation, corrosion, and mechanical fatigue.
How should the Vibro-Meter CA303 144-303-000-011 be properly mounted?
Secure it tightly to the machine surface using its integral 1/4" mounting bolts to guarantee a rigid mechanical connection under intense vibration.
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