PCB Piezotronics 356A22

Product Overview
The PCB Piezotronics 356A22 is a miniature triaxial ICP® accelerometer designed for high-sensitivity vibration measurements across three orthogonal axes. Weighing just 5 grams, this sensor is ideal for applications requiring minimal mass loading, such as in lightweight structures or delicate components.

Key Specifications

• Sensitivity: 100 mV/g (±10%)
• Measurement Range: ±50 g peak
• Frequency Range (±5%): 0.5 Hz to 4,000 Hz
• Resonant Frequency: >25 kHz
• Transverse Sensitivity: ≤5%
• Non-Linearity: ≤1%
• Power Requirements: 18 to 30 VDC, 2 to 20 mA
• Output Impedance: <100 ohms
• Bias Output Voltage: 8 to 14 VDC
• Electrical Connector: 4-pin mini connector
• Housing Material: Titanium
• Sealing: Hermetically sealed
• Operating Temperature Range: -65°F to +250°F (-54°C to +121°C)

Key Features

• Miniature Design: With a weight of only 5 grams, the 356A22 minimizes mass loading effects, making it suitable for testing lightweight or delicate structures.
• High Sensitivity: The sensor’s 100 mV/g sensitivity allows for precise detection of low-level vibrations, enhancing measurement accuracy.
• Wide Frequency Range: Capable of accurately measuring vibrations from 0.5 Hz to 4,000 Hz, accommodating a broad spectrum of applications.
• Durable Construction: Constructed from titanium and hermetically sealed, the accelerometer is robust and suitable for use in harsh environments.
• ICP® Technology: Integrated Circuit Piezoelectric (ICP®) technology simplifies signal conditioning by providing a low-impedance voltage output, facilitating easy integration with data acquisition systems.

Applications
The 356A22 is well-suited for various applications, including:

• Modal Analysis: Assessing the dynamic behavior of structures to identify natural frequencies and mode shapes.
• Product Testing: Evaluating vibration levels in consumer electronics, automotive components, and aerospace parts.
• Environmental Stress Screening: Monitoring vibrations during thermal cycling and other stress tests to ensure product reliability.
• Structural Health Monitoring: Continuous monitoring of infrastructure, such as bridges and buildings, for signs of structural degradation.

Installation and Mounting
Proper installation is crucial for accurate measurements. The accelerometer can be mounted using adhesive or threaded studs, depending on the application requirements. Ensuring a secure and rigid attachment minimizes measurement errors due to sensor movement. For detailed installation instructions, refer to the.

Conclusion
The PCB Piezotronics 356A22 triaxial accelerometer offers a combination of miniature size, high sensitivity, and robust construction, making it a versatile choice for precise vibration measurements in various demanding applications.