Introduction to Part 330101-02-78-05-02-00
The 330101-02-78-05-02-00 is a high-performance industrial vibration transmitter. It is designed to continuously monitor the overall vibration levels (velocity or acceleration) of rotating machinery such as pumps, fans, motors, and compressors. This device typically converts mechanical vibration into a standardized 4-20 mA analog signal proportional to the vibration level, allowing for easy integration into PLCs, DCSs, and monitoring systems. Its robust, sealed housing is suited for harsh industrial environments.
Parameters / Specifications
The key technical parameters are summarized in the table below.
| Parameter | Specification | Notes / Explanation |
|---|---|---|
| Model Number | 330101-02-78-05-02-00 | Vibration Transmitter |
| Product Type | 4-20 mA Loop-Powered Vibration Transmitter | Measures velocity (mm/s) or acceleration (g). |
| Measurement Axis | Radial (Single Axis) | |
| Dynamic Range | 0 to 25 mm/s (True-Peak) | A common range for machinery vibration. |
| Output Signal | 4-20 mA, 2-Wire | 4 mA = 0 Vibration, 20 mA = Full Scale (e.g., 25 mm/s). |
| Supply Voltage | 12 to 30 VDC | Standard for 2-wire loop-powered devices. |
| Frequency Response | 10 Hz to 1,000 Hz | Suitable for monitoring most common machinery speeds and fault frequencies. |
| Sensitivity | 0.64 mA/mm/s | (e.g., (20mA-4mA)/25mm/s) |
| Accuracy | ±2% of Full Scale | |
| Housing Material | Stainless Steel (e.g., 316L) | |
| Electrical Connection | 2-pin M12 Connector | Or a integral cable with gland. |
| Mounting | M10 x 1.5 Stud | Standard industrial vibration sensor mounting. |
| Dimensions (L x D) | Approx. 70mm (Length) x 30mm (Diameter) | Excluding the connector. |
| Weight | Approx. 250 - 350 grams | |
| Operating Temperature | -30°C to +80°C | |
| IP Rating | IP67 | Dust-tight and protected against immersion. |
Application Scenarios
This vibration transmitter is designed for continuous condition monitoring of rotating assets to predict failures and prevent unplanned downtime.
Motor and Pump Monitoring: Permanent monitoring of vibration levels on critical motors, centrifugal pumps, and fan drives in HVAC systems, water treatment plants, and manufacturing facilities.
Fan and Blower Bearings: Detecting bearing wear, imbalance, and misalignment on large industrial fans and blowers in power generation and processing plants.
Compressor Protection: Monitoring overall vibration on reciprocating and rotary compressors to detect mechanical faults early.
Integration into PLC/SCADA Systems: The 4-20 mA output allows for easy connection to programmable logic controllers (PLCs) and supervisory control and data acquisition (SCADA) systems for plant-wide monitoring.
Predictive Maintenance Programs: Serving as a key sensor in a Condition-Based Maintenance (CBM) strategy, providing data to trend machine health and schedule maintenance before failures occur.
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