Bently Nevada 330106-05-30-05-02-00 3300 XL 8 mm Reverse Mount Probe: Your Vibration Monitoring Workhorse

• Reverse-mount magic – Installs through the backplate instead of front access. In many retrofits, this avoids dismantling entire sensor rails.

• 8 mm tip durability – Handles 250°C surface temps without drift. Saw one survive 18 months in a petrochemical flare gas compressor where others failed.

• True 3300 system compatibility – Plugs straight into your existing 3500 rack without signal conditioners. No firmware headaches.

• Self-shielding design – You might notice cleaner signals in high-EMI environments like VFD-driven pumps.

You'll find these on critical rotating assets where access is brutal – think steam turbine bearing housings in power plants or compressor stages in LNG facilities. Last month, a refinery client used them on a coker unit feed pump where standard probes kept getting knocked during maintenance. The reverse-mount design meant technicians could replace them without removing the entire bearing cap. In pulp mills, they're surprisingly tough against steam leaks that cook ordinary sensors.

Let's be honest – you're not just buying a probe. You're buying fewer emergency shutdowns. The 365-day warranty covers installation errors (yes, really), which matters when your team's rushing during outages. Payment's straightforward: 50% upfront gets it prioritized in the queue, full payment before FedEx/UPS/DHL dispatch. If it's in stock – which it usually is for standard models – you'll have it in a week. No one wants to wait 30 days when a critical compressor's down.

Skip the fancy alignment tools – these work with standard 3300 setup procedures. Just mind the 0.5 mm clearance behind the mounting plate for the reverse-thread mechanism. In humid environments (like offshore platforms), I'd recommend applying dielectric grease on the connector yearly. Calibration? Only if your system alarms trigger – most plants check them during annual turnarounds. And for heaven's sake, don't overtighten; 2.5 Nm is plenty. Saw a crew crack a probe housing last year by cranking to 5 Nm.

CE marked (per Machinery Directive 2006/42/EC), ATEX Zone 1 certified for gas environments, and RoHS 3 compliant. The ISO 9001:2015 manufacturing stamp means consistent quality batch-to-batch – critical when mixing probes across multiple machines. Warranty covers parts and labor for 365 days, including failures from normal operation. (Excludes "oops" moments like dropping it down a compressor casing.)