Introduction
The part number 330101-00-68-10-12-05 is a highly specific identifier for a Vibration Sensor, commonly known as an Accelerometer. This type of device is a fundamental component in Condition Monitoring (CM) and Predictive Maintenance (PdM) systems.
Its primary function is to measure the vibration (acceleration, velocity, or displacement) of rotating machinery and other industrial assets. It converts mechanical motion into an electrical signal, which can then be analyzed to assess the machine's health, detect faults like unbalance, misalignment, or bearing wear, and prevent unexpected failures. The long part number string defines its exact technical specifications, including sensitivity, frequency range, and connector type.
Key Parameters
The following table details the typical specifications for an accelerometer matching this part number structure.
| Parameter Category | Specification |
|---|---|
| Part Number | 330101-00-68-10-12-05 |
| Type | IEPE / Piezoelectric Accelerometer |
| Sensitivity | 100 mV/g (approx.) |
| Frequency Range | 0.5 Hz to 10,000 Hz (1 Hz to 10 kHz typical) |
| Measurement Range | ±50 g peak |
| Power Supply | Constant Current: 2 to 20 mA, 18 to 30 V DC (standard 4 mA IEPE) |
| Output Connector | 2-pin, 0.25-28 UNEF threaded or integral cable |
| Housing Material | Stainless Steel |
| Operating Temperature | -55 °C to +120 °C (-67 °F to +248 °F) |
| Dimensions (Body) | Approx. 25.4 mm (1.0 in) height x 16 mm (0.63 in) diameter (typical) |
| Weight | Approx. 40 grams (1.4 oz) |
| Mounting | M5, 1/4-28 UNF stud, or adhesive mount |
Application Scenarios
This accelerometer is designed for general-purpose vibration monitoring across a wide range of industries. Its key application scenarios include:
Predictive Maintenance on Rotating Machinery:
Motors, Pumps, Fans, and Compressors: Permanently or temporarily mounted on bearing housings to continuously monitor vibration levels. The data is used to detect early signs of mechanical failure, such as unbalance, misalignment, rolling element bearing defects, and gear mesh issues.
Condition-Based Monitoring Systems:
Integrated into online monitoring systems that collect data 24/7. The vibration signals are transmitted to data collectors or PLC/SCADA systems, allowing maintenance teams to track machine health in real-time and schedule maintenance only when needed.
Portable Data Collection:
Used by maintenance technicians with handheld data collectors. The technician routes a predefined path, connecting the data collector to this sensor at various measurement points on machines to collect periodic vibration spectra and trends for analysis.
Troubleshooting and Commissioning:
Temporarily installed on new or problematic machinery to diagnose the root cause of excessive vibration during startup, shutdown, or normal operation. This helps in verifying repairs and ensuring machines are within specified vibration limits.
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