Introduction
The part number 330130-030-00-00 refers to a 4-20 mA Two-Wire Vibration Transmitter designed for continuous condition monitoring of industrial machinery. This device belongs to a family of sensors that simplify the integration of machine health data into control and monitoring systems.
This transmitter is an integrated device that combines a piezoelectric sensing element with built-in signal conditioning electronics. Its primary function is to measure the overall vibration velocity of a machine's casing and convert this mechanical motion into a standardized 4-20 mA analog signal that is directly proportional to the vibration level. This two-wire, loop-powered design is robust, simple to install, and allows for long-distance signal transmission, making it ideal for direct connection to PLCs, DCS, or SCADA systems for continuous monitoring and alarm generation.
Key Parameters
The following table outlines the typical specifications for a vibration transmitter matching this part number.
| Parameter Category | Specification |
|---|---|
| Part Number | 330130-030-00-00 |
| Type | 2-Wire Loop Powered Vibration Transmitter |
| Measured Parameter | Vibration Velocity (RMS) |
| Output Signal | 4-20 mA, two-wire (4 mA = 0 Vibration, 20 mA = Full Scale) |
| Power Supply | 12 - 30 V DC (Standard 24 V DC loop supply) |
| Frequency Range | 10 Hz to 1000 Hz (typical for velocity measurement) |
| Measurement Range | 0 - 25 mm/s RMS (0 - 1.0 in/s RMS) - Example Range |
| Accuracy | ±2% of full scale |
| Housing Material | Stainless Steel |
| Electrical Connection | 1/2" NPT conduit entry with terminal block |
| Process Connection | Isolated M10 x 1.5 or 1/4-28 UNF mounting stud |
| Operating Temperature | -30 °C to +85 °C (-22 °F to +185 °F) |
| Dimensions (Body) | Approx. 80 mm (3.15 in) height x 35 mm (1.38 in) diameter (excluding connector) |
| Weight | Approx. 300 g (0.66 lbs) |
Application Scenarios
This 4-20 mA vibration transmitter is a versatile solution for cost-effective, continuous monitoring across a wide range of industries. Its key application scenarios include:
Continuous Protection of Critical Assets:
Pumps, Fans, and Motors: Permanently installed on the bearing housings of these machines to provide a continuous, real-time vibration signal. This allows control systems to trigger alarms or automatic shutdowns if vibration levels exceed pre-set limits, preventing catastrophic failure.
Plant-Wide PLC/DCS Integration:
Simplified System Integration: The universal 4-20 mA analog signal is wired directly into a PLC or DCS analog input card. This makes it ideal for installations where simple, reliable monitoring is required for a large number of machines without the need for complex vibration analyzers.
Predictive and Condition-Based Maintenance:
Trending Machine Health: The output provides an overall velocity RMS value, which is an excellent parameter for tracking the general mechanical condition of a machine over time. Maintenance teams can use the trending data to schedule repairs before a failure occurs, moving from reactive to proactive maintenance.
General Purpose Machinery Monitoring:
HVAC Systems, Conveyors, Mixers, and Compressors: Used extensively in commercial and industrial applications where the cost and complexity of a full vibration analysis system are not justified, but reliable oversight of machine health is essential for operational continuity.
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