Introduction
The part number 330130-080-00 is a 4-20 mA Two-Wire Vibration Transmitter designed to monitor the overall casing or bearing vibration (velocity) of industrial machinery. This type of sensor integrates a piezoelectric sensing element with built-in signal conditioning electronics. It converts the mechanical vibration directly into a standardized 4-20 mA output signal that is proportional to the vibration level. This loop-powered design allows for simple installation and long-distance signal transmission to PLCs, DCS, or other control system inputs, making it a cornerstone for basic machinery condition monitoring and predictive maintenance programs.
Technical Parameters
The following table outlines the typical technical specifications for the 330130-080-00 Vibration Transmitter.
| Parameter Category | Specification |
|---|---|
| Part Number | 330130-080-00 |
| Description | 4-20 mA Two-Wire Vibration Velocity Transmitter |
| Physical Dimensions (Body) | Approximately ~70 mm (2.75 in) in height ~34 mm (1.34 in) in diameter (Excluding mounting thread) |
| Weight | Approximately 0.3 kg (0.66 lbs) |
| Measurement Type | Velocity (Typically True Peak or RMS) |
| Frequency Range | 10 Hz to 1000 Hz (600 to 60,000 CPM) |
| Output Signal | Two-Wire 4-20 mA |
| Measurement Range | Scalable, typically a range like 0-25 mm/s (0-1.0 in/s) peak or equivalent. |
| Power Supply | 12 to 30 VDC (Loop Powered) |
| Mounting | 1/4-28 UNF or M10 threaded stud on the base |
| Electrical Connection | Integral cable with flying leads or a 2-pin connector |
| Housing Material | Stainless Steel |
| Operating Temperature | -40°C to +85°C (-40°F to +185°F) |
Note: These specifications are representative of this model and class of transmitter. The exact output scaling and connector type are defined by the part number suffix. Always consult the official manufacturer's datasheet for precise specifications.
Application Scenarios
This vibration transmitter is widely used for general-purpose machinery condition monitoring on a variety of rotating equipment where a simple, reliable, and continuous vibration signal is required.
Motor Condition Monitoring:
Mounted on the bearing housings of critical AC and DC motors in manufacturing plants, HVAC systems, and water treatment facilities to provide a continuous health indicator and detect issues like bearing wear and imbalance.
Pump Vibration Monitoring:
Installed on centrifugal and positive displacement pumps to monitor overall vibration levels. The 4-20 mA signal can be wired directly to the plant's control system to trigger alarms for conditions like cavitation or mechanical looseness.
Fans and Blowers:
Used on industrial fans, such as cooling tower fans or boiler draft fans, to monitor bearing condition and detect imbalance, helping to prevent failures that lead to unplanned downtime.
Compressors:
Applied to the casing of rotary screw and reciprocating compressors to track overall vibration health and provide an early warning of developing mechanical faults.
General Rotating Machinery:
An ideal solution for non-critical or auxiliary equipment (e.g., conveyors, mixers) where a full machinery protection system is not justified, but basic vibration tracking is desired for a cost-effective predictive maintenance strategy.
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