Introduction
The model 330103-00-15-10-02-00 is a 4-20 mA DC Velocity Seismic Transmitter from the Bently Nevada 3300 series. This device is designed to measure the casing or absolute vibration (expressed as velocity) of rotating machinery. It integrates a piezoelectric accelerometer with internal signal conditioning electronics to produce a standardized, loop-powered 4-20 mA output that is directly proportional to the vibration severity. The specific suffix -15 indicates a standard 100 mV/g internal accelerometer sensitivity, while -10-02 defines the velocity range and a connector-style electrical connection. This robust sensor is ideal for direct integration into control systems for continuous machinery protection.
Parameters / Specifications
The following table outlines the key technical parameters for the 330103-00-15-10-02-00 transducer.
| Parameter | Specification |
|---|---|
| Model Number | 330103-00-15-10-02-00 |
| Description | 4-20 mA DC Velocity Seismic Transmitter |
| Physical Dimensions | Approx. 70 mm (2.76 in) in height (excluding connector) x 35 mm (1.38 in) diameter. |
| Weight | Approx. 0.3 kg (0.66 lb) |
| Measurement | Casing Vibration (Velocity) |
| Output Signal | 4-20 mA, 2-Wire, Loop Powered |
| Velocity Range | 0 to 25.4 mm/s True Peak (0 to 1.0 in/s True Peak) |
| Frequency Response | 4.5 Hz to 1000 Hz (270 CPM to 60,000 CPM) |
| Power Supply | 12 to 30 VDC |
| Sensitivity | 0.63 mA/mm/s (16 mA/in/s) |
| Accelerometer Sensitivity | 100 mV/g (internal sensing element) |
| Operating Temperature | -40°C to +85°C (-40°F to +185°F) |
| Housing Material | Stainless Steel |
| Electrical Connection | Integral, two-pin, military-style connector (e.g., MS3106A-20-9S). The -02-00 suffix specifies this connector style. |
| Compliance | CE Marked |
Note: The dimensions and weight are typical values for this model series. The specific suffix -00-15-10-02-00 defines the internal accelerometer sensitivity, velocity range, and connector details. Always consult the official manufacturer's datasheet for the precise configuration.
Application Scenarios
This transmitter is widely used for reliable, continuous vibration monitoring across a wide range of industrial applications.
General Purpose Machinery Protection:
Permanently mounted on the bearing housings of pumps, fans, blowers, and compressors to provide a continuous 4-20 mA signal for alarm and shutdown functions in a machinery protection system.
Direct PLC/DCS Integration:
Its standard 4-20 mA, two-wire output makes it perfectly suited for direct connection to a plant's Distributed Control System (DCS) or Programmable Logic Controller (PLC), enabling centralized monitoring of hundreds of machines from the control room.
Motor Condition Monitoring:
Widely used on electric motors of all sizes to monitor overall vibration levels, helping to detect common faults like imbalance, misalignment, and mechanical looseness.
HVAC and Auxiliary Plant Equipment:
Ideal for monitoring fans, chilled water pumps, and cooling tower fans in Heating, Ventilation, and Air Conditioning (HVAC) systems to ensure efficient operation and schedule maintenance based on actual machine condition.
Rugged Industrial Environments:
The stainless steel housing and robust construction make it suitable for use in demanding environments, including oil & gas, chemical plants, power generation, and water treatment facilities, where reliable operation is critical.
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