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　　Product Overview

　　The CA20X 144-202-000-115 Vibro-Meter piezoelectric accelerometer is a high-performance vibration monitoring sensor developed by Vibro-Meter GmbH (founded in 1952), Switzerland, specifically designed for industrial rotating machinery, aircraft engines, nuclear power equipment, and other applications. Its core is based on the piezoelectric effect, converting mechanical vibration into electrical signals through a piezoelectric crystal. It features high sensitivity, wide frequency response, high temperature resistance, and shock resistance.

　　Core Technical Parameters

　　Sensitivity and Output: Charge sensitivity is 25 pC/bar (approximately 1.72 pC/psi), voltage sensitivity range is 2-104 mV/g, and it supports charge output or IEPE (built-in charge amplifier) mode.

　　Structural Characteristics:

　　Primarily shear-type design, offering strong isolation from base strain and temperature changes, linearity ≤1%, and lateral sensitivity ≤3%.

　　Compression-type structures (such as CA202) have high resonant frequencies, but the impact of base deformation on the output must be considered.

　　Signal Output: Charge output (PE type) or IEPE type (built-in preamplifier, low impedance voltage output, strong anti-interference).

　　Frequency Response: 2 Hz to 15 kHz (±5%), resonant frequency >80 kHz, covering low-frequency to high-frequency vibration monitoring needs.

　　Dynamic Range: Measurement range 0.0005-250 bar (random vibration), overload capacity up to 350 bar (static + dynamic components), linearity <±1%.

　　Environmental Adaptability: Operating temperature -196℃ to 777℃ (special applications), connector temperature -70℃ to 650℃, radiation resistant (no effect from 10¹¹ erg/g gamma flux), protection level meets ATEX, KGS, TR CU and other explosion-proof certifications.

　　Mounting Interface: Supports stud mounting (optimal high-frequency response), adhesive or magnetic mounting. Installation torque must strictly match the manufacturer's specifications to avoid resonant frequency deviation.

　　Application Scenarios:

　　Aerospace and Energy: Used for vibration monitoring of aircraft engines (e.g., Boeing 737, Airbus A330), gas turbines, and nuclear reactor primary loops, improving equipment reliability and fault prediction capabilities.

　　Industrial Machinery: Condition monitoring and health management of rotating machinery (gearboxes, bearings), steam turbines, and compressors, identifying early faults through vibration spectrum analysis.

　　Special Environments: High temperature, high pressure, radiation or explosive environments (e.g., chemical, oil and gas platforms), compliant with IEEE 323-1974 and NRC safety standards.

　　Research and Testing: Material fatigue testing, impact testing, modal analysis; supports triaxial acceleration measurement and dynamic pressure synchronous acquisition.

　　Installation and Maintenance

　　Installation Methods:

　　Stud Mounting: Recommended for high-frequency vibration monitoring. Ensure the mounting surface is flat and clean. Tighten to the specified value using a torque wrench to avoid excessive or insufficient torque, which could cause resonant frequency deviation.

　　Adhesive/Magnetic Mounting: Suitable for low-frequency or temporary installations. Epoxy resin, wax, or magnetic bases are required. Note that magnetic mounting may reduce the resonant frequency.

　　Calibration and Maintenance: Regularly use a sweep frequency calibration system to verify sensitivity and frequency response, avoiding cable interference. In high-temperature environments, use dedicated low-noise cables to prevent signal attenuation or noise introduction.

　　Environmental Protection: Corrosion-resistant alloy (e.g., NIMONIC 90) housing, sealed welded design, suitable for humid and corrosive gas environments.

　　Typical Application Cases

　　Aerospace: The VIBRO-METER system is used for vibration monitoring of engines in aircraft such as the Airbus A330/340 and Boeing 737, achieving an MTBF (Mean Time Between Failures) of thousands of hours.

　　Industrial Scenarios: Vibration monitoring of compressors in the petrochemical industry provides real-time data warnings for bearing wear, extending equipment lifespan.

　　Scientific Research and Testing: Measuring head acceleration of crash test dummies in automotive crash tests to assess safety performance.

　　Summary: The CA20X 144-202-000-115 Vibro-Meter piezoelectric accelerometer, with its high precision, wide bandwidth, and adaptability to extreme environments, has become a core sensor for industrial equipment health monitoring. Its design incorporates over 60 years of industry experience, combined with advanced piezoelectric materials and signal processing technology, providing users with reliable vibration data acquisition and analysis capabilities, facilitating predictive maintenance and extending equipment lifespan.

　　Please note that all products on this website are specialty items, and market prices are constantly fluctuating.

　　Please refer to customer service for a specific quote, as the price may not be accurate for new products.

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