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Three Summers, One Probe, and a Slow Loss of Sensitivity

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Three Summers, One Probe, and a Slow Loss of Sensitivity

2026-01-23 Troubleshooting

Posted by Alan Brooks – Machinery Diagnostics Contractor The probe didn’t fail in a day.It didn’t even fail in a year. That’s why nobody noticed. The Bently Nevada 164517-……

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A New Probe in an Old System: Lessons from a Bently 164517 Ceramic Tip Installation

2026-01-23 Troubleshooting

By Eric Lawson – Commissioning Engineer This was one of those jobs where nothing was technically “wrong,” but everything felt off. We replaced a proximity probe on a legacy rack……

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When the Machine Didn’t Change, but the Reading Did: A Lesson from a 3300 Ceramic Probe

2026-01-23 Troubleshooting

By Robert Hayes – Rotating Equipment Specialist (30+ Years in the Field) I’ve learned the hard way that proximity probes don’t lie—but they also don’t explain themse……

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Humidity-Induced Signal Instability in Bently Nevada 164517-025-10-02-00 Proximity Probes

2026-01-23 Troubleshooting

By Laura Bennett – Asset Reliability Consultant Environmental conditions rarely get the attention they deserve in vibration monitoring systems. A recent assessment involving the Bently Neva……

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Field Notes: Intermittent Signal Jumps on a 3300 Ceramic Tip Probe

2026-01-23 Troubleshooting

Written by Jason Moore – Field Service Engineer, Rotating Machinery This one took longer than it should have, mostly because nothing failed in a clean, obvious way. The machine was fine. Th……

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Bently Nevada 164517-025-10-02-00 – When a Ceramic Tip Lies About Shaft Position

2026-01-23 Troubleshooting

By Thomas Keller – Rotating Equipment Reliability Engineer Proximity probes are simple devices on paper, but in real machines, small mistakes can quietly ruin your data. I ran into this exa……

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Installation Geometry Matters: A Field Case with Bently Nevada 163947-00-05-02-84-90

2026-01-23 Troubleshooting

By Daniel Foster – Condition Monitoring Services Consultant In condition monitoring projects, measurement accuracy often depends less on the sensor itself and more on how it is installed. A……

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Bently Nevada 163947-00-05-02-84-90 – Grounding Mistakes That Ruined Perfectly Good Current Data

2026-01-23 Troubleshooting

By Michael Reeves – Maintenance Supervisor, Petrochemical Facilities I’ve been around long enough to know that when a non-contact current sensor starts acting weird, nine times out of……

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Bently Nevada 163947-00-05-02-84-90 — Chasing a Zero Drift Problem on a Non-Contact Current Sensor

2026-01-23 Troubleshooting

Author: Michael O’Reilly – Senior Instrument Technician, Oil & Gas Facilities I don’t usually write blog posts about current sensors, but after spending two full shifts chas……

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Bently Nevada 131170-01 Cable – When Vibration Shakes Your Signals

2026-01-22 Troubleshooting

Author: Jake Thompson – Wind Farm Automation Engineer & Tech Blogger So last month, I got called out to a wind farm where one of the Bently Nevada 131170-01 dynamic data cables was acti……

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Bently Nevada 131170-01 Cable — Intermittent Signal Loss Due to Loose Connector

2026-01-22 Troubleshooting

Author: Thomas Nguyen – Senior Commissioning Engineer, rotating machinery instrumentation During a commissioning session at a hydroelectric plant, we observed intermittent signal loss on a ……

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Bently Nevada 131170-01 Cable Nightmare — When Shielding Fails

2026-01-22 Troubleshooting

Author: Liam Carter – Electrical Engineer, Industrial Instrumentation Blogger Last week I was at a medium-sized thermal power station, checking on vibration monitoring systems, when a Bentl……

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