Vibro Meter CA 901 Extreme Temperature Piezoelectric Accelerometer

Unmatched Performance in Extreme Environments

• The CA 901 piezoelectric accelerometer from Vibro Meter delivers exceptional reliability in extreme conditions.
• This specialized sensor operates continuously from -54°C to +650°C with extreme capability to +700°C.
• Its robust Inconel 600 construction and hermetically welded design ensure long-term stability.
• The CA 901 meets rigorous nuclear standards including NRC guide 1.133 and IEEE 323-1974.

Critical Technical Specifications

• Brand: Vibro Meter
• Model: Type CA 901 (144-901-000-212)
• Sensitivity: 10 pC/g ±5% at 120 Hz
• Frequency Range: 3 Hz to 2,800 Hz ±5%
• Dynamic Range: 0.001 g to 200 g peak
• Resonant Frequency: >17 kHz mounted
• Linearity: ±1% across full dynamic range
• Shock Survival: 500 g peak half sine
• Pressure Rating: 140 bar at 23°C, 80 bar at 300°C

Radiation & Environmental Durability

• The accelerometer withstands gamma flux up to 10¹¹ erg/g with no effect.
• It maintains performance under neutron flux of 10¹⁸ n/cm² without degradation.
• Certified for explosive atmospheres with LCIE 08 ATEX 6017 X approval.
• Internal insulation resistance exceeds 10⁹ Ω for reliable signal integrity.
• Transverse sensitivity remains below 5% for accurate axial measurements.

Electrical Characteristics & Signal Output

• The sensor requires no external power source for operation.
• It provides pure charge output through a two-pole insulated system.
• Pole-to-pole capacitance measures 80 pF plus 200 pF per meter of cable.
• Pole-to-casing capacitance is 18 pF plus 300 pF per meter of cable.
• Use with any compatible charge converter for signal conditioning.

Mechanical Installation & Mounting

• Install using four M6 Allen screws with 15 Nm fastening torque.
• The unit features integral case insulation for simplified mounting.
• No additional electrical isolation is required during installation.
• Choose Lemo connector versions with 5-meter cable length options.
• The hermetically welded construction prevents moisture ingress.

Packaging & Global Shipping

• Each unit includes the accelerometer with specified cable and connector.
• We provide worldwide shipping through FedEx, UPS, and DHL carriers.
• Ordering number 144-901-000-2XX covers Lemo connector versions.
• Standard version available with multiple cable length configurations.

Professional Applications & Uses

• Ideal for loose parts monitoring in nuclear power generation systems.
• Perfect for gas turbine monitoring and combustion vibration analysis.
• Excellent for high-temperature process equipment and machinery.
• Suitable for aerospace testing and research applications.
• Optimal for petrochemical and explosive atmosphere applications.

Technical Frequently Asked Questions

• What nuclear standards does this accelerometer meet?
  The CA 901 complies with NRC guide 1.133, IEEE 323-1974, and DIN 25.475.1.
• Can this sensor operate in cryogenic conditions?
  Yes, it functions reliably at extreme low temperatures down to -196°C.
• What type of connector does the standard version use?
  The standard configuration features reliable Lemo connectors for secure connections.
• How does radiation exposure affect sensor performance?
  The unit maintains performance under specified gamma and neutron flux levels.
• What pressure conditions can the accelerometer withstand?
  It handles 140 bar at room temperature and 80 bar at elevated 300°C conditions.

© 2025 Ubest Automation Limited. All rights reserved. Original Source: https://www.ubestplc.com/ Contact: sales@ubestplc.com Phone: +86 86 180 3000 5825