Introduction
The part number 330101-29-50-10-02-05 is a highly specific configuration of an IEPE (Integrated Electronics Piezo-Electric) Accelerometer, a type of vibration sensor. This alphanumeric code defines its exact operational characteristics, including sensitivity, frequency range, electrical output, and connector type.
This accelerometer is designed to measure dynamic vibration and shock. It contains a built-in microelectronic circuit that converts the high-impedance charge signal from the piezoelectric crystal into a low-impedance voltage signal that can be easily transmitted over long cables to data acquisition systems, analyzers, and condition monitoring equipment. Its robust construction makes it suitable for demanding industrial environments.
Key Parameters
The following table details the typical specifications for an accelerometer matching this part number structure.
| Parameter Category | Specification |
|---|---|
| Part Number | 330101-29-50-10-02-05 |
| Type | IEPE / ICP® Accelerometer (2-wire) |
| Sensitivity | 100 mV/g (approx. 10.2 mV/(m/s²)) |
| Frequency Range | 0.5 Hz to 5000 Hz (±3 dB) |
| Measurement Range | ±50 g peak |
| Power Supply | 18 to 30 V DC, 2 to 20 mA constant current bias (typically 4 mA) |
| Electrical Connector | 2-pin, 0.25-28 UNEF threaded (or integral cable per -05 suffix) |
| Housing Material | Stainless Steel |
| Mounting Thread | M5 x 0.8 (or 10-32 UNF) |
| Operating Temperature | -55 °C to +120 °C (-67 °F to +248 °F) |
| Dimensions (Body) | Approx. 24.5 mm (0.96 in) height x 16 mm (0.63 in) diameter (typical) |
| Weight | Approx. 35 grams (1.2 oz) |
Application Scenarios
This general-purpose industrial accelerometer is used in a wide variety of applications where reliable vibration data is crucial for testing, monitoring, and diagnostics.
Predictive Maintenance (PdM):
Permanent Monitoring: Installed on critical assets like pumps, motors, fans, and compressors as part of an online condition monitoring system to continuously track vibration levels and detect faults like bearing wear and imbalance.
Portable Data Collection: Used by maintenance technicians with handheld data collectors. The technician connects the meter to this sensor at predefined points on machinery to collect periodic vibration spectra for analysis.
Machine Testing and Troubleshooting:
Structural Dynamics: Used in modal analysis and operational deflection shape testing to understand how a machine or structure vibrates under operational forces. This is essential for troubleshooting resonance issues and validating design changes.
Prototype Testing: Mounted on prototype machines and components during research and development to measure dynamic performance and validate engineering models.
General Vibration Measurement:
Quality Control: Used in production environments to verify that newly assembled equipment operates within specified vibration limits before it is shipped.
Environmental Stress Screening (ESS): Subjecting products to vibration profiles to identify early-life failures (infant mortality) as part of a quality assurance process
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