Bently Nevada 330180-91-CN 3300 XL Proximitor Sensor

Description

The Bently Nevada 330180-91-CN is a 9.0-meter Proximitor sensor specifically configured for high-density DIN-rail installations in facilities requiring Chinese regional certifications. As the signal conditioning core of the 3300 XL 8mm proximity transducer system, it converts the complex impedance change of the probe into a standardized -200 mV/mil (7.87 V/mm) voltage signal.

In field deployments on large-scale steam turbines and high-speed compressors, the 9-meter system length is the standard choice for reaching from the bearing housing to a remote junction box. We maintain stock of these units to prevent costly project delays caused by global supply chain gaps for specialized monitoring hardware.

Inventory and Commercial Terms

• Item Condition: New Original (Factory Sealed)

• Availability: In stock; ready for immediate international dispatch

• Warranty Coverage: 12-month replacement warranty

• Pricing Notice: The listed price is a reference point for procurement budgeting. Final transaction costs fluctuate based on current market availability and order volume. Contact our trade desk for a binding commercial quote.

Part Number Configuration Breakdown

The “91” code in the 330180 series is a combined designator for both system length and physical mounting style.

Technical Specifications

Parameter               Value
-------------------------------------------------------------------------
Manufacturer            Bently Nevada (Baker Hughes)
System Compatibility    3300 XL 8mm Probe + Extension Cable (Total 9m)
Output Scale Factor     7.87 V/mm (200 mV/mil) 
Power Supply Input      -17.5 V DC to -26 V DC (typically -24 V DC)
Linear Range            2.0 mm (80 mils)
Output Impedance        50 Ω
Operating Temperature   -51 °C to +100 °C (-60 °F to +212 °F)
Connector Material      Gold-plated brass and beryllium copper
Agency Certification    Ex ia IIC T4 Ga (NEPSI/CCC)

Operational Insights & Field Application

How does this specific 9-meter Proximitor affect your rack’s signal integrity? In my experience, the 330180-91-CN is the “long-distance runner” of the Bently world. While a 5-meter system offers slightly lower noise, the 9-meter system (91 option) provides the physical reach required for large turbomachinery skids where the sensors are far from the marshalling cabinet.

The DIN-mount base is actually clever—it provides native electrical isolation from the rail, eliminating the need for those pesky separate isolator plates that often crack or get lost during installation.

Well, technically it is a 9-meter system, but don’t underestimate the math. You must use a 1-meter probe with an 8-meter extension cable, or a 0.5-meter probe with an 8.5-meter cable. If your total cable length is off by even 0.5 meters, the Proximitor’s internal oscillator will be out of sync with the tuned circuit, resulting in a non-linear scale factor.

One practical tip from the field: if you see a “Not OK” LED on your 3500/42M monitor and you’re using this 330180-91-CN, check the pigtail connection first. Honestly, the most common failure point in these 9-meter runs is a poorly seated ClickLoc connector that has wiggled loose under the vibration of a cooling tower fan or gearbox.

Global Trade & Logistics Optimization

Moving high-precision Bently Nevada components to international sites involves navigating complex regulatory landscapes, especially with the “-CN” designation.

Export Compliance & Customs Documentation

We classify this hardware under HS Code 9031.80.80. The -CN suffix is critical for projects in the Asia-Pacific region, ensuring the unit passes local NEPSI/CCC safety inspections. We provide a complete document pack—Commercial Invoice, Packing List, and Certificate of Origin (COO)—to ensure the shipment clears customs without being held for “valuation or technical inspection.“

Logistics and Transit

• Protection: Every unit is shipped in a moisture-barrier, ESD-shielded bag. We over-box with high-density foam to mitigate the “last-mile” vibration during truck delivery to the plant site.

• Air Freight: We exclusively use DHL Express or FedEx International Priority. Because these are high-value, air freight is the only way to minimize the exposure to vibration and moisture found in sea transit.

• Incoterms: Standard terms are FCA (Free Carrier) or CIP (Carriage and Insurance Paid to).

Trade Finance

To secure your procurement, we accept Telegraphic Transfer (T/T). For emergency plant outages, we can provide “Expedited Release” services upon verification of the bank SWIFT transaction.

Frequently Asked Questions

Is the -CN version compatible with standard global 8mm probes? Yes. The -CN designation refers specifically to regional regulatory labels and certifications. Electrically, it is identical to the standard 330180-91-05 and will interface perfectly with any global 3300 XL 8mm probe and cable.

Can I mount this Proximitor in an outdoor enclosure? Yes, but you must ensure the enclosure provides at least an IP54 degree of protection. While the Proximitor is rugged, the terminals are exposed; moisture on the screw-blocks will cause signal drift.

What happens if I use a 5-meter extension cable with this 9-meter Proximitor? The system will “flat-line” or provide a highly inaccurate gap voltage. The Proximitor’s internal frequency is tuned for the capacitance of exactly 9 meters of cable. Mixing lengths is the fastest way to get untrustworthy vibration data.

How many units do you need for your current maintenance shutdown or project expansion?