Product Introduction
When rotating machinery vibrations go undetected, costly failures occur. The Bently Nevada 9200-01-50-01-04 Two-Wire Velocity Seismoprobe Transducer provides accurate vibration monitoring for predictive maintenance. This industrial automation module is new and original in factory packing, backed by a 12-month factory warranty. It is designed to measure casing vibration in harsh environments, delivering reliable data for critical asset protection.
Technical Specifications
The Bently Nevada 9200-01-50-01-04 offers the following key performance parameters:
| Parameter |
Value |
| Sensitivity |
20 mV/mm/s (500 mV/in/s) ±5% |
| 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 with 10 kΩ load |
| Coil Resistance |
1.25 kΩ ±5% |
| Locked Coil Inductance |
125 mH typical |
| Operating & Storage Temperature (9200) |
-29°C to +121°C (-20°F to +250°F) |
| Relative Humidity |
Up to 95% noncondensing; up to 100% non-submerged with integral cable |
| Case Material |
Anodized aluminum A204 |
| Gasket Material (9200) |
Neoprene |
| Height |
102 mm (4 in) typical (depending on connector) |
| Diameter |
41 mm (1.6 in) typical |
| Weight (9200) |
300 g (10.5 oz) typical |
Real-World Applications
The Bently Nevada 9200-01-50-01-04 excels in monitoring vibrations on turbines, compressors, pumps, and fans. Its sensitivity temperature coefficient of 0.2%/°C ensures stable readings across wide temperature swings, reducing false alarms and unplanned downtime. By detecting early signs of bearing wear or imbalance, this transducer supports condition-based maintenance programs that extend equipment life and lower operational costs.
Installation & Setup Guidance
Proper installation is critical for accurate measurements. The 9200-01-50-01-04 includes a transducer mounting angle option of 0° ±2.5° with a minimum operating frequency of 4.5 Hz (270 cpm). Choose the 50-foot (15.2 meter) connector option for remote monitoring. The mounting base is circular with a 1/4-20 UNC stud – ensure secure attachment to the machine casing. For calibration, terminate with a 10 kΩ load between terminals 'A' and 'B'. The output is taken across pins 'A' and 'B'. Always orient the transducer at the angle of calibration to maintain sensitivity tolerance of ±5%. The unit is dust and moisture resistant; for submerged environments, order with the integral cable option.
Troubleshooting & Common Issues
Inaccurate vibration readings often stem from improper termination or temperature drift. The Bently Nevada 9200-01-50-01-04 mitigates these with a built-in sensitivity temperature coefficient of 0.2%/°C – always use the specified 10 kΩ calibration load. If readings fluctuate, verify the connector is not damaged and the mounting base is tight. For intermittent signals, check the cable length (50 feet max) and ensure no moisture ingress. The Coil resistance of 1.25 kΩ ±5% can be measured to confirm transducer health. If issues persist, consult the manufacturer’s guidelines for the 9200-01-50-01-04.