Bently Nevada 330104-00-07-05-02-00 3300 XL 8mm Proximity Probe with M10 x 1 Metric Thread and 0.5m Integral Cable for API 670 Compliance

The Bently Nevada 330104-00-07-05-02-00 is a 3300 XL 8mm proximity probe with an M10x1 metric thread. Inside the code, it’s basically a standard industrial setup: 0 mm unthreaded section, 70 mm case length, and a 0.5 m integral coaxial cable ending with a ClickLoc connector. Nothing exotic here — it’s the common configuration used in most eddy current sensor systems for rotating machinery.

Because the probe already has a 0.5 m integral cable, the system length has to be balanced with Bently Nevada 330130 extension cable and 330180 Proximitor Sensor.

Usually:

• 5 m system → 4.5 m extension cable + 5 m Proximitor
• 9 m system → 8.5 m extension cable + 9 m Proximitor

If the total electrical length is off, calibration in the API 670 compliant system can drift, especially in machinery protection system (MPS) setups.

The 330104 probe is built for critical asset condition monitoring in heavy rotating equipment. You’ll find it in steam turbine vibration monitoring, centrifugal compressor protection systems, and gas turbine shaft displacement applications. It’s also commonly used for radial vibration measurement, axial position monitoring, and Keyphasor phase reference in fluid-film bearing machines.

Signal from the probe goes into a Proximitor sensor first, then gets converted into a voltage signal. From there it feeds into a Bently Nevada 3500 rack module, usually through a 3500/40M Proximitor Monitor. Once inside the system, the data can be used for emergency shutdown system (ESD) logic or pushed into System 1 software integration for condition monitoring and diagnostics.

Yes, it’s designed for tough industrial conditions. The probe uses PPS tip material with TipLoc molding, plus a Viton oil seal, so it holds up well against turbine oil and vibration exposure. Temperature range is around -51°C to +177°C, which is why it shows up a lot in industrial rotating machinery monitoring setups running around the clock.