9200-03-02-02-00 Two-Wire Velocity Seismoprobe Transducer

Key Features and Technical Specifications

Every specification of the 9200-03-02-02-00 is carefully defined to support reliable vibration monitoring. Below are the essential parameters:

• Model: Two-Wire Velocity Seismoprobe Transducer
• Manufacturer: Bently Nevada
• Sensitivity: 20 mV/mm/s (500 mV/in/s), ±5% when properly terminated and oriented at the angle of calibration
• Calibration Load: 10 kΩ, output taken across pins A and B
• Sensitivity Temperature Coefficient: 0.2%/°C
• Dynamic Operating Range: 2.54 mm (0.100 in) peak-to-peak maximum displacement
• Velocity Range: 25 mm/s (1 in/s) at +22 °C of casing vibration at 100 Hz with a 10 kΩ load
• Coil Resistance: 1.25 kΩ ±5%
• Locked Coil Inductance: 125 mH, typical
• Operating and Storage Temperature (9200): -29°C to +121°C (-20°F to +250°F)
• Relative Humidity: To 95%, noncondensing; 100% non-submerged when ordered with integral cable
• Case and Adapter Material: Anodized aluminum A204
• Gasket Material (9200): Neoprene
• Height: 102 mm (4 in) typical (depending on connector option)
• Diameter: 41 mm (1.6 in) typical
• Weight (9200): 300 grams (10.5 ounces) typical

One distinctive feature is the two-wire configuration, which simplifies wiring and reduces installation complexity. This design is particularly beneficial in retrofit applications where existing cabling may be limited.

Applications and Use Cases

The 9200-03-02-02-00 is well-suited for monitoring casing vibration on pumps, fans, compressors, and motors. In petrochemical plants, it helps track rotating equipment health, enabling predictive maintenance. Similarly, in power generation facilities, it provides critical data for turbine and auxiliary machinery. Moreover, in water treatment plants, it supports continuous operation by alerting operators to abnormal vibration levels. Consequently, this transducer plays a vital role in reducing unplanned downtime and extending equipment life.

Installation and Setup

Proper installation is crucial for accurate readings. The transducer mounts at an angle of 90° ±2.5°, with a minimum operating frequency of 4.5 Hz (270 cpm). It features a side-mount connector option (no cable) and a circular mounting base with a 1/4-28 UNF stud. When installing, ensure the mounting surface is clean and rigid to avoid false readings. Also, verify that the transducer is oriented at the calibrated angle to maintain sensitivity tolerance. For best results, follow the manufacturer's guidelines and use appropriate torque values.

Maintenance and Reliability

Routine inspection of the transducer and its mounting is recommended to ensure long-term reliability. Check for any signs of physical damage or corrosion, especially in humid environments. Because the unit is dust and moisture resistant, it can withstand typical industrial conditions. However, periodic verification of output signals against a known reference can help confirm proper operation. By incorporating this transducer into a regular maintenance schedule, you can detect issues early and avoid costly repairs.

Compatibility and Integration

The 9200-03-02-02-00 is designed to work with Bently Nevada monitoring systems and other data acquisition equipment that accept velocity transducer inputs. Its two-wire interface simplifies integration into existing loops. For detailed compatibility information, refer to the official Bently Nevada documentation or contact AutoDCSTech for assistance.

Troubleshooting Common Issues

If you encounter erratic readings, first check the wiring connections and ensure the load is 10 kΩ. Also, verify that the transducer is not mounted loosely, as mechanical looseness can cause false signals. Additionally, confirm that the operating temperature stays within -29°C to +121°C. If problems persist, consult the manufacturer's manual or reach out to AutoDCSTech for technical support.

Product Support and Availability

The 9200-03-02-02-00 is available from AutoDCSTech as a new, original unit in factory packing. It comes with a 12-month factory warranty.