Description
- Model: 9200-06-01-10-00
- Brand: Bently Nevada (Baker Hughes)
- Series: 9200 Seismoprobe Velocity Transducer
- Core Function: Measures absolute vibration velocity of machine casings or structural members
- Product Type: Velocity Transducer (Moving-Coil)
- Key Specs: 0.5 in/s (pk) sensitivity | 10 Hz to 1 kHz Frequency Range | 2-Wire Output
- Sensitivity: 20 mV/mm/s (500 mV/in/s) ±5%
- Frequency Response: 10 Hz to 1,000 Hz (600 to 60,000 cpm) ±3 dB
- Orientation: 0° ±2.5° (Specifically designed for vertical mounting)
- Connector Type: 2-pin Mil-Spec (10-pin option available in other variants)
- Operating Temperature: -40°C to +121°C (-40°F to +250°F)
- Maximum Displacement: 1.78 mm (70 mils) peak-to-peak
- Damping Ratio: 0.707 (critically damped)
- Housing Material: Anodized Aluminum / Stainless Steel
- Hazardous Area Approvals: CSA/ATEX (model dependent)
Bently Nevada 9200-06-01-10-00
Application Scenarios & Pain Points
Engineering Pain Points: The biggest trap with the 9200 series is the Orientation Option. The model code -06 specifies a 0° ±2.5° mounting angle (vertical). If you try to mount this vertically-oriented sensor horizontally (at a 90° angle), the internal spring-suspended coil will sag, bottom out, and give you zero signal or massive distortion. I’ve seen integrators waste days debugging a “dead sensor” only to realize they bought a vertical probe for a horizontal pump bearing.
Typical Application Scenarios:
- Hydroelectric Turbines Monitoring low-speed vibration on bearing housings where the frequency is within the 10 Hz – 1 kHz range.
- Steam Turbine Casings Measuring “absolute” casing vibration to complement the “relative” shaft vibration data from proximity probes.
- Large Industrial Fans Simple 2-wire vibration monitoring for cooling tower fans where complex 3500 rack systems aren’t budgeted.
- Reciprocating Compressors Detecting structural looseness or frame vibration that displacement probes might miss.
The “Sagging Sensor” Case Study
Background: A power plant in the Midwest was upgrading their fan monitoring system. They ordered ten 9200-06-01-10-00 units to replace aging pickups.
Problem: After installation, three of the sensors showed a constant 2.0 mV “noise” floor but zero response to actual machine vibration. The integrator assumed the sensors were “dead on arrival.”
Solution: Upon inspection, we found those three sensors were mounted horizontally on the side of the motor. The -06 option code is strictly for vertical (+/- 2.5 degree) orientation. The internal coil was resting against the housing.
Result: We swapped those three units for the 9200-01 (horizontal version) and the signals cleared up instantly. Remember: In the 9200 series, gravity is your biggest constraint.
Bently Nevada 9200-06-01-10-00
Compatible Replacement Models
| Original Model | Related/Replacement | Compatibility | Difference |
| 9200-06-01-10-00 | 330500 | ⚠️ Software Compatible | 330500 is a Velomitor (Piezo-velocity), requires -24V power |
| 9200-06-01-10-00 | 47633-01 | ✅ Direct Replace | Earlier version of the Seismoprobe |
| 9200-06-01-10-00 | 9200-01-01-10-00 | ❌ Incompatible | This is the Horizontal version (90° orientation) |
Integrator’s Tip: If you are upgrading an old system, consider switching to the 330500 Velomitor. It has no moving parts (solid-state) and doesn’t care about orientation. However, be careful: the 9200 is self-generating (no power needed), while the Velomitor requires a -24V power source from a Bently 3500/42M monitor.
Bently Nevada 9200-06-01-10-00
Troubleshooting Quick Reference
| Symptom | Possible Cause | Related Part | Action |
| Zero Output (Signal Dead) | Bottomed-out coil | ✅ 9200-06 | Verify mounting angle is 0° (vertical) |
| Intermittent Signal | Cable connector loose | ❌ Cable | Check the 2-pin Mil-spec connector for moisture |
| High Background Noise | Ground Loop | ⚠️ Medium | Ensure the shield is only grounded at the monitor end |
| Distorted Waveform | Exceeded Max Displacement | ❌ Field | Check if the machine is vibrating >70 mils p-p |
Field Note: …If you’re testing these on the bench, don’t just “shake it” with your hand and expect a clean sine wave. These are tuned sensors. The best way to test a 9200 is with a wobble plate or a handheld shaker table. And for heaven’s sake, don’t drop them—the internal spring suspension is delicate. One drop onto a concrete floor and that 9200 becomes a very expensive paperweight.
Strategic Quality Assurance (Our SOP)
- Orientation Validation: We test every unit in its specified mounting position (0° for the -06 model).
- Frequency Sweep: Using a shaker table, we verify the 20 mV/mm/s sensitivity at 100 Hz.
- Impedance Check: We measure the DC resistance of the internal coil to ensure no internal shorts or open circuits.
- Physical Inspection: Verified for clean connector pins and no “clunking” sounds when gently tilted.
Other Parts in Stock:
- Bently Nevada 3500/22M
- Bently Nevada 3500/42M
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