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CA303 144-303-000-011

Piezoelectric Accelerometer

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Technical specifications for CA303 144-303-000-011

  • Product Model
    CA303 144-303-000-011
  • Product Parameters
    Piezoelectric Accelerometer
  • Tariff Code
    8537101190
  • Country of origin
    SWEDEN
  • Place of shipment
    Xiamen, China
  • In stock
    1 unit
  • Estimated Shipping Size
    7.8x5.3x4.8cm
  • Manufacturer
    Vibro-Meter
  • Weight
    0.25 kg
  • Sensitivity (at 120 Hz)
    50 pC/g ± 5%
  • Dynamic measuring range (random) :
    0.01 g to 40 g peak
  • Overload capacity (spikes)
    Up to 100 g peak or 0.03 inch pk-pk
  • Linearity
    ±1% over dynamic measuring range
  • Transverse sensitivity
    <5% (20 to 300 Hz)
  • Resonant frequency (mounted)
    >5 kHz

Description

The CA 303 series of high temperatureaccelerometers are designed specifically for gasturbines applications.They feature a rugged design with hermeticallysealed connectors and 1/4" mounting bolts.An integral mineral insulated (MI) cable with stainlesssteel overbraid ensures signal integrity even in themost hostile environments.The differential output signal minimizes noise pick-updue to electrical ground potentials.A version with side connector is available when anintegral cable is not required.

Sensitivity is rated at 50 pC/g ± 5%, calibrated at 120 Hz with 5 g excitation at 23°C. The dynamic measuring range spans 0.01 g to 40 g peak, with overload capacity up to 100 g peak or 0.76 mm peak-to-peak displacement, whichever is less. Linearity is ± 1% over the dynamic measuring range. Transverse sensitivity is less than 5%. The resonant frequency exceeds 5 kHz when mounted.

Alternative Names

CA303-144-303-000-011 CA303 144 303 000 011 CA 303 144-303-000-011 CA 303 144 303 000 011 CA3O3 144-3O3-OOO-011 CA 3O3 144 3O3 OOO O11 CA303-144-303-000-0II CA 303-I44-303-000-0II

Information

Overview Manuals Application Notes Product Applications Cabling and Routing

Features:

  • Designed for high temperature gas turbineapplications
  • Continuous operation up to 455°C (850°F)
  • High output of 50 pC/g
  • Improved transverse frequency resonance
The CA303 144-303-000-011 operates on the piezoelectric principle, generating a charge output proportional to applied acceleration. As a passive device, it requires no input power. The charge output is processed by an external charge amplifier such as the IPC704 or IPC707 signal conditioner, which converts the charge signal into a current or voltage signal compatible with monitoring and control systems.

The CA303 utilizes VC2-type single crystal piezoelectric material operating in compression mode to produce a charge output proportional to applied acceleration. The sensing element is housed in an Inconel 600 case that is hermetically welded, providing complete environmental sealing and corrosion resistance. The transducer is fitted with an integral mineral-insulated (MI) cable with stainless steel overbraid, ensuring signal integrity in the most hostile environments.

The CA303 144-303-000-011 Vibro-Meter Piezoelectric Accelerometers may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
Vibro-Meter CA303 144-303-000-011 Piezoelectric Accelerometers 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. All prices are shown in USD.
Gas Turbine Monitoring: Due to its extreme temperature survivability, it is frequently utilized on turbine casings and bearing housings to detect mechanical faults, blade rub, and unbalance.
Signal Transmission: It features a charge output, meaning it requires external signal conditioning. The differential output signal minimizes electrical noise pick-up from ground potential differences.
Charge Converter: The output must be wired to a locally mounted charge amplifier (such as the Vibro-Meter IPC704 or IPC707 series)
  • Gas Turbine Combustor Monitoring:Tracks dynamic pressure pulsations to prevent acoustic fatigue
  • Power Generation Facilities:Nuclear/hydro/thermal: safeguards high-vibration zones
  • Oil Refining and Petrochemical Processing:Tracks rapid pressure fluctuations in compressors/pumps
  • Automated Assembly Lines:Step-by-step diagnostics & cycle tracking for auto/electronics
  • Hazardous Industrial Zones:Class I Div2: oil/gas, chemical mixers & paint booths
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Integral Hardline Cable: The CA303 features an integral mineral-insulated (MI) cable. Handle this cable with care, as sharp bends or kinks can damage the internal conductors and cause signal degradation.
Strain Relief: Leave sufficient slack in the cable to allow for thermal expansion and contraction of the turbine casing. Secure the cable using high-temperature clamps or ties.
Grounding: The CA303 features a differential output that is isolated from the case. Ensure the cable shield is grounded correctly at the signal conditioning end to minimize electrical ground noise.

Technical notes

Constructed with a hermetically sealed stainless-steel housing, the CA303 is designed for long-term operation in harsh industrial environments. The rugged construction protects the sensing element against moisture, dust, oil contamination, and corrosive atmospheres while maintaining measurement accuracy and reliability.

FAQs

  • What is the CA303 144-303-000-011 ?

    +
    The Vibro-Meter (Meggitt) CA303 144-303-000-011 is a high-temperature, charge-mode piezoelectric accelerometer primarily designed to monitor vibrations in gas turbines
  • What is the maximum operating temperature?

    +
    The CA303 sensor can operate within specifications in temperatures ranging from -55°C to 455°C (-67°F to 850°F).
  • What is the sensitivity of the CA303 144-303-000-011?

    +
    Its nominal charge sensitivity is 50 pC/g ± 5% at 120 Hz.
  • What is the linear frequency range of this accelerometer?

    +
    It features a typical frequency response of ± 5% between 5 Hz and 3000 Hz (the lower cut-off is typically determined by the electronics used).
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Disclaimer: Amikon Limited sells new and surplus products and develops channels for purchasing such products. Amikon Limited is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because Amikon Limited is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. Amikon Limited is not an authorized distributor, dealer, or representative of the products displayed on this website. All product names, trademarks, brands, and logos used on this website are the property of their respective owners. The description, explanation, or sale of products with these names, trademarks, brands, and logos is for identification purposes only and is not intended to indicate any association with or authorization from any rights holder.
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