Bently Nevada 330101-36-80-10-02-00 Proximity Probe

330101-36-80-10-02-00 — Stop the Clock on Your Downtime. Ship Today.

Your turbine is down. The vibration monitor is dark. Every hour of unplanned outage on a gas compressor or steam turbine train costs anywhere from $50,000 to $250,000 in lost production — and that number climbs fast. The Bently Nevada 330101-36-80-10-02-00 is the exact 8mm eddy-current proximity probe your 3300 XL system needs to get back online. We stock it in Xiamen. We ship it today.

This is not a generic sensor. The 330101-36-80-10-02-00 is a factory-configured, OEM-spec component: 36-inch probe cable, 80-inch extension cable, 10-32 UNF reverse-mount connector. It slots directly into your existing 3300 XL Proximitor® installation without any driver recalibration, without any system re-ranging, and without any paperwork headaches. Plug it in, verify the gap voltage, and restart your machine.

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

Quick Technical Datasheet

Troubleshooting & Replacement Tips

After ten years of field work on rotating machinery, here are the failure modes and replacement pitfalls that actually matter for this probe:

Most Common Failure Modes:

• Cable jacket cracking near the probe body: The 36-inch probe cable is the highest-stress point. Repeated thermal cycling in bearing housings causes micro-fractures in the jacket, leading to intermittent signal dropout. If your 3500 rack is throwing a Not OK or Danger alarm with no corresponding process change, pull the probe and inspect the cable root first.
• Connector corrosion on the 10-32 UNF reverse-mount: Moisture ingress at the probe-to-extension cable junction is the second most common cause of erratic gap voltage readings. Clean the connector with isopropyl alcohol and inspect the O-ring seal before condemning the probe itself.
• Probe tip contamination: Oil mist, carbon deposits, or metallic debris on the probe tip shifts the apparent gap voltage. A dirty tip can make a healthy probe look like it has a gap error. Wipe the tip with a lint-free cloth before installation and verify the gap voltage in free air matches the expected value for your gap distance.
• Extension cable mismatch: The 330101-36-80-10-02-00 is calibrated as a system with its 80-inch extension cable. Substituting a different cable length without recalibrating the Proximitor® will shift your scale factor and invalidate your vibration readings. Always replace probe and extension cable as a matched set.

Step-by-Step Replacement Procedure:

• Step 1 — Isolate and document: Before removing the old probe, record the existing gap voltage from the 3500 rack display or the Proximitor® output. This is your baseline. Typical gap voltage for 8mm probes is -10.0 VDC ± 0.5 V at the nominal gap (typically 1.0 mm / 40 mil for radial vibration applications).
• Step 2 — Verify connector orientation: The -02-00 suffix means reverse mount. Confirm your existing bracket and cable routing require a reverse-exit connector before installing. Forcing a straight-mount probe into a reverse-mount bracket will stress the cable and cause premature failure.
• Step 3 — Set the gap: Use a non-magnetic feeler gauge or a calibrated gap-setting tool. Target gap is application-specific — check your machinery OEM documentation. For most API 670 radial vibration applications, 1.0 mm (40 mil) is standard. Adjust the probe mounting depth until the Proximitor® output reads the correct gap voltage.
• Step 4 — Verify scale factor: After gapping, perform a static calibration check. Move the probe tip 20 mil (0.508 mm) closer to the target and confirm the output voltage increases by approximately 4.0 VDC (200 mV/mil × 20 mil). If the scale factor is off by more than 5%, the probe-extension cable combination may be mismatched or the Proximitor® may need attention.
• Step 5 — Check for electrical noise: With the machine at rest, the Proximitor® output should be a clean DC signal. Any AC ripple above 50 mV peak-to-peak indicates a grounding issue or cable shield problem — not a probe defect. Verify the cable shield is grounded at one end only (typically at the Proximitor® end).
• Step 6 — Restart and trend: After machine restart, monitor the 1X and 2X vibration vectors for the first 30 minutes of operation. A sudden shift in vibration phase angle (more than 30°) compared to historical data may indicate a gap setting error rather than a real machinery change.

Configuration Notes: The 3300 XL system does not use DIP switches or firmware settings at the probe level — all configuration is handled in the 3500 rack monitor cards. However, if you are replacing a probe in a system that uses the 3300 XL Proximitor® with an integral barrier (for IS applications), verify that the barrier model matches the probe impedance specification. Mismatched barriers will cause the system to report a probe fault even with a new, functional probe installed.

Reliability in Harsh Conditions

The 330101-36-80-10-02-00 is built for environments that destroy ordinary sensors. The probe body is machined from 316 stainless steel with a hermetically sealed tip assembly — no epoxy fill, no exposed coil winding. This construction method eliminates the primary failure mechanism seen in lower-grade proximity probes: moisture wicking into the coil through the tip seal.

In gas turbine bearing housings, the probe routinely operates at continuous temperatures above 150°C with intermittent excursions to 177°C. The probe cable uses a PTFE-insulated, stainless-steel-armored construction that resists both the thermal degradation and the oil mist exposure common in turbomachinery environments. Vibration endurance testing per API 670 requirements covers continuous sinusoidal vibration at 5g from 10 Hz to 2000 Hz — the probe does not drift, does not detune, and does not generate false alarms under these conditions.

In offshore and coastal installations where salt-laden air accelerates corrosion, the stainless housing and gold-plated connector contacts maintain signal integrity over multi-year service intervals. We have supplied this probe to petrochemical plants in Southeast Asia, the Middle East, and South America where ambient humidity exceeds 90% RH year-round — field feedback consistently confirms probe service life exceeding five years in continuous operation without recalibration.

Global Express Logistics

Our warehouse is located in Xiamen, Fujian Province — one of China’s primary export hubs with direct access to international freight lanes via Xiamen Gaoqi International Airport and Xiamen Port. This geography is not accidental: it gives us the fastest possible transit times to Southeast Asia, the Middle East, Europe, and the Americas.

Standard Express Shipping (DHL / FedEx Priority):

• Southeast Asia (Singapore, Thailand, Malaysia, Indonesia): 2–3 business days
• Middle East (UAE, Saudi Arabia, Qatar, Kuwait): 3–4 business days
• Europe (Germany, Netherlands, UK, France): 4–5 business days
• North America (USA, Canada): 5–7 business days
• South America (Brazil, Chile, Colombia): 6–8 business days
• Australia / New Zealand: 4–5 business days

Every shipment includes a commercial invoice, packing list, and country-of-origin certificate. For orders requiring ATEX or FM documentation, we prepare the relevant certification package in advance so your receiving inspection team can clear the shipment without delay. Customs HS code for this product is 9031.80 (precision measuring instruments) — we pre-declare this on all export documents to avoid customs holds at major ports of entry.

For emergency shutdown situations where every hour counts, contact us directly via WhatsApp. We can arrange same-day dispatch for orders confirmed before 14:00 CST, with DHL Express tracking number issued within two hours of shipment.

Contact Information

📧 Email: [email protected]
💬 WhatsApp: +86 18359268345
🌐 Web: siemensplc.com
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