174985-01-12-90 Bently Nevada 3300 XL 25mm Underwater Proximity Sensor

Product Introduction

Global PLC Spare HUB's Insight. Industrial submerged machinery monitoring requires specialized probes capable of sealing against harsh fluid pressures while maintaining strict electrical linearity. The 174985-01-12-90 is an advanced 25mm underwater proximity probe engineered within the robust 3300 XL series by Bently Nevada. Equipped with 304 stainless steel construction, Tefzel protective tubing, and high-pressure nitrogen sealing capabilities, this instrument delivers reliable telemetry in fluid-immersed environments. Global PLC Spare HUB supplies this unit strictly brand new and factory sealed.

Part Number Configuration Breakdown

Technical Specifications & Environmental Limits

System Compatibility and Model Comparison

The 174985-01-12-90 integrates directly with standard 3300 XL Proximitor sensors designed for 25mm transducer systems. When configuring fluid-immersed machinery setups with shorter cabling distances, instrumentation engineers often contrast alternative part suffixes. For a shorter cable variant optimized for compact submersible housings, review the 174985-00-12-10 Underwater Sensor Bently Nevada 3300 XL 25mm.

• Selection Guidance: Verify that your application fluid is compatible with 304 stainless steel and that salt-water exposure is avoided to prevent premature corrosion.

Logistics, Packaging, and 12-Month Warranty

• Global Express Fulfillment: Shipped securely worldwide via trusted carriers including FedEx, UPS, and DHL.
• Rapid Dispatch Window: Guaranteed processing and dispatch within 24 to 48 hours to minimize operational downtime.
• Manufacturer Assurance: Backed by a full 12-month factory warranty in original factory packaging.

Typical Equipment, Applications, and Diagnostic Capability

• Submerged Hydraulic Gearboxes: Deployed in industrial lubrication sumps and fluid-filled chambers.
• Process Fluid Pumps: Monitors heavy machinery shaft vibration where the probe body is directly exposed to non-corrosive liquids.
• Diagnostic Capability: Tracks radial vibration and shaft displacement in fluid environments before mechanical wear causes severe breakdown.

Frequently Asked Questions

Question: Can the 174985-01-12-90 probe connector end be safely submerged directly into liquid processes?
Answer: No, field experience dictates that while the probe tip and Tefzel tubing handle fluid immersion, the connector end is unsealed and must remain dry outside the process vessel.

Question: Is the 304 stainless steel housing of this sensor suitable for marine or salt-water applications?
Answer: Selection guidance explicitly warns that 304 stainless steel is not rated for salt-water service; exposure to saline environments will cause rapid pitting and seal failure.

Question: What maximum gas pressure can the probe tip seal withstand during normal operation?
Answer: The probe is factory rated to seal a differential pressure of up to 34 Bar (500 psi) of Nitrogen between the tip and case.

Question: What is the purpose of the attached Tefzel tubing on this specific probe model?
Answer: The Tefzel tubing shields the integrated coaxial probe cable from mechanical abrasion and aggressive liquid immersion along the submerged routing path.

Question: How does Global PLC Spare HUB ensure the safety of this sensitive industrial component during transit?
Answer: All items are packed tightly in original factory containers and shipped via express courier services like FedEx, UPS, and DHL for secure delivery.

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