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        • Lifecycle status

          Discontinued / Obsolete by OEM
          Apter Power deploys dynamic impedance-matched processing nodes to prevent telemetry errors, permanently stabilizing the critical charge-amplification channels of legacy heavy turbomachinery.

        CA303 144-303-000-011

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        The Vibro-Meter CA303 144-303-000-011 Piezoelectric Accelerometer is a ruggedized, high-performance industrial sensor engineered specifically for vibration monitoring in extreme environments.
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        Ships by Friday, October 30
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
        Shipping Mode
        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
        Parts Availability
        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for CA303 144-303-000-011

        • Manufacturer:
          Vibro-Meter
        • Part Number:
          CA303 144-303-000-011
        • Product Family:
          Vibro-Meter
        • Product Type:
          Piezoelectric Accelerometer
        • Stock:
          1
        • Input power requirements:
          None
        • Signal transmission:
          2 pole system insulated from casing, charge output
        • Signal processing:
          Charge amplifier
        • Maximum Operating Temperature:
          455°C (850°F) continuous operation
        • Sensitivity:
          50 pC/g
        • Frequency Response:
          5 Hz to 3000 Hz
        • Transverse Frequency Resonance:
          Improved
        • Output Signal Type:
          Differential output
        • Construction Material:
          Welded, Inconel 600 stainless steel
        • Mounting:
          1/4
        • Connector Type:
          Hermetically sealed connectors
        • Weight:
          0.135 kg
        • Estimated shipping dimensions:
          3.2 cm × 2.8 cm × 3.5 cm
        • Tariff Code:
          8537101190
        • Country of origin:
          Switzerland
        • Place of shipment:
          Xiamen,Fujian,China
        By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

        More Information

        Overview Manuals Specifications Applications Temperature & Environmental Monitoring & Control

        Features:

        • Interface Between High-Temperature Gas Turbine Environments and Precision Vibration Monitoring Systems
        • Integrates Piezoelectric Sensing Technology with Differential Signal Output for Noise Immunity
        • Operates in Conjunction with Standard Condition Monitoring Systems and Charge Amplifiers
        The Vibro-Meter CA303 144-303-000-011 converts mechanical vibration energy into electrical charge output (50 pC/g) and transmits this signal through an integral mineral insulated (MI) cable with stainless steel overbraid to support accurate monitoring of rotating equipment health. Seamless signal transmission is standard with the CA303 144-303-000-011, however using its differential output configuration will allow effective minimization of noise pick-up due to electrical ground potentials in hostile electromagnetic environments.

        The CA303 144-303-000-011 provides essential vibration sensing functions critical to gas turbine protection systems, and is a vital component of the monitoring path, directly affecting the proper, normal operation of the overall condition monitoring system. One or multiple CA303 144-303-000-011 accelerometers are required per turbine depending on the desired measurement coverage and criticality of monitored components. The CA303 144-303-000-011 features a rugged welded construction using Inconel 600 stainless steel and is always mounted via its integrated 1/4" mounting bolts on flat, clean surfaces at the designated measurement points.

        For applications requiring flexible cable routing, the CA303 144-303-000-011 system offers a version with a side connector when an integral cable is not required. In addition to standard integral cable operation, the side connector configuration also performs the same high-fidelity signal transmission. The CA303 144-303-000-011 differential output design executes noise rejection using the internal circuitry specified in the piezoelectric element options.

        The CA303 144-303-000-011 Vibro-Meter Piezoelectric Accelerometer may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        Vibro-Meter CA303 144-303-000-011 Piezoelectric Accelerometer Manuals,Datasheets,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. All prices are shown in USD.
        Vibro-Meter CA303 144-303-000-011 Piezoelectric Accelerometer Specs

        General

        • Manufacturer Vibro-Meter
        • Model CA303 144-303-000-011
        • Condition New Original ready stock
        • Product Family CA306 144-306-000-321,CP235 143-235-000-012
        Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
        • Gas Turbine Health Monitoring: Specifically engineered for General Electric (GE) LM series aeroderivative gas turbines, including LM1600, LM2500, and LM6000 models.
        • Heavy Rotating Machinery: Continuous vibration monitoring for critical high-speed compressors, industrial gearboxes, and high-pressure pumping systems.
        • Power Generation Facilities: Applied in structural testing and vibration tracking within nuclear plants and steam turbine environments.
        • Operational Temperature Range: -55°C to +455°C (-67°F to +851°F) continuous operating window.
        • Short-Term Temperature Peak: Capable of withstanding short-duration excursions up to +482°C (+900°F).
        • Enclosure Sealing Specification: Hermetically sealed, fully welded construction.
        • Housing Material Matrix: High-grade Inconel 600 alloy.
        • Relative Humidity Tolerance: 0% to 100% condensing environment protection.
        • Signal Conditioning Requirement: Requires pairing with a Remote Charge Converter (RCC) or an IPC707 signal conditioning unit.
        • Output Transmission: Utilizes integrated Mineral-Insulated (MI) hardline cabling with metallic overbraid for electromagnetic noise immunity.
        • System Interoperability: Fully compatible with Vibro-Meter VM600 machinery protection racks and Engine Vibration Monitoring Units (EVMU).
        • Functional Safety compliance: Suitable for use in safety-instrumented systems up to SIL 2 standards.
        Description
        Vibro-Meter CA303 144-303-000-011 Piezoelectric Accelerometer is specifically designed for high temperature gas turbine applications, addressing the critical challenge of reliable vibration monitoring in environments where conventional accelerometers fail due to extreme thermal conditions. The CA303 144-303-000-011 solves the problem of signal degradation and sensor failure in high-temperature zones by enabling continuous operation up to 455°C (850°F), ensuring uninterrupted data acquisition from turbine bearings, combustors, and other thermally stressed components where excessive vibration can lead to catastrophic equipment damage and unplanned downtime.

        The CA303 144-303-000-011 delivers a high output of 50 pC/g with an improved transverse frequency resonance characteristic, providing accurate and stable vibration measurement across a frequency response of 5 Hz to 3000 Hz. Its sensitivity of 50 pC/g ensures robust signal generation even in electrically noisy environments. The CA303 144-303-000-011 features a welded construction using Inconel 600 stainless steel, offering exceptional resistance to oxidation, corrosion, and mechanical fatigue. 

        The rugged design incorporates hermetically sealed connectors and 1/4" mounting bolts, while an integral mineral insulated (MI) cable with stainless steel overbraid maintains signal integrity in hostile environments. The differential output signal effectively minimizes noise pick-up caused by electrical ground potentials, a common issue in large rotating machinery installations.
        Alternative Names
        CA303 144-303-000-011 CA303 I44-303-000-011 CA303 144-303-000-111 CA303 144-303-000-211 CA303 144-303-000-221 CA306 144-306-000-321 CA202 144-202-000-106
        Technical notes
        The Vibro-Meter CA303 144-303-000-011 model is designed to operate continuously at temperatures up to 455°C (850°F). It features a welded Inconel 600 stainless steel construction and a hermetically sealed design. This specific product provides a high charge output sensitivity of 50 pC/g and features an improved transverse frequency resonance with a frequency response ranging from 5 Hz to 3000 Hz.
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        FAQS

        The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
        VIEW ALL FAQS
        What is the primary purpose of the Vibro-Meter CA303 144-303-000-011 Piezoelectric Accelerometer?
        The Vibro-Meter CA303 144-303-000-011 is designed to provide reliable vibration measurements in extremely demanding environments. It is specifically engineered for applications where high temperatures, severe vibration levels, and long-term mechanical stress can challenge conventional accelerometers.
        What problems does the CA303 144-303-000-011 solve?
        The accelerometer helps prevent signal degradation and premature sensor failure caused by intense heat, thermal cycling, and continuous mechanical vibration. Its robust construction enables stable operation in harsh industrial environments where reliability is critical.
        Why is the CA303 144-303-000-011 suitable for high-temperature applications?
        The sensor is built using materials and components designed to withstand elevated temperatures. Its construction allows it to maintain measurement accuracy and durability in environments where standard vibration sensors may experience reduced performance.

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