Bently Nevada 330104-00-18-10-02-CN Proximity Probe

330104-00-18-10-02-CN: Your Rotating Machinery Is Down — Every Minute Costs Real Money

You already know the number. Whether it’s a steam turbine tripping on a vibration high-high, a centrifugal compressor locked out by a NOK alarm, or a pump train that just went into protective shutdown — the clock started the moment that probe failed. The Bently Nevada 330104-00-18-10-02-CN is an 8mm eddy-current proximity probe from the 3300 XL Series, and we have it in stock at our Xiamen facility right now. Confirmed order before 16:00 CST ships same day via DHL Express or FedEx International Priority. That’s not a marketing line — it’s the operational reality we’ve built our entire logistics chain around.

This probe is 100% original Bently Nevada. Not a compatible. Not a clone. The 3300 XL platform is too unforgiving for substitutes — sensitivity curves, linear range, and Proximitor matching are factory-calibrated as a system. Putting a non-OEM probe into a 3500/40M rack is a reliability gamble no serious FAE takes twice.

URGENT REQUIREMENT? Contact: [email protected] | WhatsApp: +86 18359268345

Quick Technical Datasheet

Troubleshooting & Replacement Tips

Ten years of field calls on 3300 XL systems teach you the same lesson repeatedly: most probe replacements that fail post-installation are caused by installation errors, not defective parts. Work through this sequence before you pull the trigger on a swap.

Step 1 — Isolate the fault to the probe, not the system. The 330104-00-18-10-02-CN has an integral 5 m cable — no field-splicing, no extension cable on this variant. If your 3500/40M is showing a Channel Not OK (NOK) flag, measure DC gap voltage directly at the Proximitor output terminals with the probe at nominal gap (1.0 mm / 40 mil to a carbon steel target). Healthy probe: –9.5 VDC to –10.5 VDC. Anything outside that window with a known-good Proximitor supply confirms probe failure. If the Proximitor supply rail is sagging below –20 VDC, fix the power issue first — a weak supply will kill the OK status on a perfectly functional probe.

Step 2 — Physical inspection before electrical work. Shaft rub events are the leading cause of 8mm probe destruction on compressor trains. Inspect the probe tip face for impact craters, radial scoring, or thread damage on the M10 body. A mechanically compromised tip will produce erratic output even if the coil measures good continuity. If you find rub damage, also inspect the shaft journal surface — a damaged target surface will corrupt your gap calibration on the new probe.

Step 3 — Gap setting is not optional. Install the 330104-00-18-10-02-CN into the bracket, energize the Proximitor supply, and set gap voltage to –10.0 VDC ± 0.5 VDC using a calibrated carbon steel target. Do not use aluminum, stainless, or titanium targets for gap calibration — the eddy-current sensitivity curve is material-dependent, and your linear range will be wrong. Tighten the locknut to 5 N·m after gap confirmation. Log the final gap voltage in your CMMS.

Step 4 — Common fault codes decoded:

• NOK / Channel Not OK — Gap voltage out of –10 VDC to –18 VDC window. Check probe gap, cable continuity, Proximitor supply voltage.
• Danger High Vibration — Probe loose in bracket (check locknut torque), shaft rub in progress, or probe operating outside linear range. Re-gap and inspect bracket integrity.
• Axial Position Drift — Thermal growth on turbine shaft during startup. Normal within limits; if drift exceeds setpoints, verify probe bracket is not thermally expanding with the casing.
• Buffered Output Clipping — Probe at edge of linear range. Re-gap to nominal 1.0 mm. Check target surface for runout or eccentricity.

Step 5 — Post-replacement verification. After energizing, confirm OK status on the 3500/40M front panel. Pull the buffered output signal on a portable analyzer and verify the 1× and 2× vibration components are clean and consistent with pre-failure baseline data. A sudden change in vibration signature after probe replacement usually means the new probe is gapped differently than the old one — re-gap and re-baseline.

Reliability in Harsh Conditions

The 3300 XL probe series was engineered for the environments that destroy lesser sensors. The 330104-00-18-10-02-CN body is machined from 316 stainless steel with a hermetically sealed coil assembly and a double-shielded, armored integral cable. These are not marketing specifications — they are the reason this probe survives where others fail.

Vibration qualification: 20 g sinusoidal, 10–2000 Hz per IEC 60068-2-6. On a high-speed compressor skid running at 12,000 RPM with structural resonances in the 800–1200 Hz range, this probe maintains coil integrity and connector seating without mechanical fatigue. Temperature range of –35°C to +177°C continuous covers everything from cryogenic ethylene compressors to hot-section steam turbine bearing housings — no recalibration required across that span. The IP67-rated connector zone handles direct oil mist and wash-down without signal degradation. The 316 SS housing resists H₂S attack, chloride-bearing process fluids, and hydrocarbon condensate — the three most common chemical attack vectors in refinery and petrochemical bearing housings.

Units dispatched from our Xiamen facility are stored in climate-controlled conditions at 20°C ± 5°C and 40–60% RH. Every probe is visually inspected and gap-tested against a certified carbon steel reference target before packaging. Shipped in anti-static, moisture-barrier bags with silica gel desiccant inside a rigid foam-lined carton rated for air freight handling.

Global Express Logistics

Our Xiamen dispatch operation exists for one reason: to get critical spares on a plane before your maintenance window closes. The process is straightforward and repeatable.

• Same-day cutoff: Orders confirmed before 16:00 CST ship same day via DHL Express or FedEx International Priority. No exceptions, no excuses.
• Transit benchmarks: Southeast Asia 1–2 business days | Northeast Asia 1–2 days | Europe 3–4 days | Middle East 2–3 days | Americas 3–5 days | Australia/NZ 3–4 days.
• Export documentation: Commercial invoice, packing list, certificate of conformance, and HS 9031.80 customs declaration included with every shipment. No delays at origin customs.
• Tracking: AWB number delivered to your email within 2 hours of dispatch. Direct carrier tracking link included.
• Emergency freight: For plant-critical AOG situations, contact us on WhatsApp. We coordinate charter freight and hand-carry options for destinations where standard express is too slow.
• Import support: Our team can provide supplementary origin documentation, GACC exporter registration details, and HS code guidance for import-sensitive destinations on request.

Contact Information

Email: [email protected]
WhatsApp: +86 18359268345
Web: siemensplc.com
© 2026 siemensplc.com. All rights reserved.