330707-00-25-50-12-00 5.0M 11mm Proximity Sensor Bently Nevada Series

330707-00-25-50-12-00 5.0M 11mm Proximity Sensor Bently Nevada Series

Manufacturer: Bently Nevada
Product No.: 330707-00-25-50-12-00
Condition： In stock
Product Type: Proximity Probe
Product Origin: USA
Payment: T/T, Western Union
Weight: 250g
Shipping port: Xiamen
Warranty: 12 months

Quantity

Selected quantity: 1

Estimate delivery times: 12-26 days (International), 3-6 days (United States).

Return within 30 days of purchase. Duties & taxes are non-refundable.

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Engineering Architecture & Model Overview

The 330707-00-25-50-12-00 engineered by Bently Nevada is a robust 3300 XL 11 mm proximity probe designed for higher scale linear measurement ranges and extended dynamic clearance monitoring. Built with an AISI 304 stainless steel case, a Polyphenylene sulfide (PPS) probe tip, and integrated stainless steel armor, this sensor utilizes a specialized 75-ohm triaxial FEP-insulated cable with a FluidLoc configuration to prevent oil migration.

Technical Parameter & Specifications Matrix

Brand: Bently Nevada
Product Series: 3300 XL 11 mm
Model / Part Number: 330707-00-25-50-12-00
Transducer Type: Proximity Probe with Armor and FluidLoc Cable
Thread Standard: 1/2-20 UNF (Maximum thread engagement length: 0.750 in)
Center-to-Outer Resistance: $R_{PROBE} = 7.2 \pm 0.8$ ohms for the 5.0-meter configuration
Operating & Storage Range: -51 °C to +177 °C (-60 °F to +351 °F)
Shipping Weight: 0.17 kg (0.37 lbs.)

Configuration Level	Suffix Code	Technical Breakdown Description
Unthreaded Length	00	0 inches unthreaded body transition length
Overall Case Length	25	2.5 inches total structural case length configuration
Total Cable Length	50	5.0 meters (16.4 feet) integral triaxial FEP-insulated cable span
Connector & Cable Type	12	Miniature coaxial ClickLoc connector paired with FluidLoc internal oil-stop technology
Agency Approvals	00	Standard baseline model with no specialized hazardous area approval option selected

Mechanical Installation & Torque Guidelines

Probe Case Torque: Recommended tightening torque of 15.2 N•m (133 in•lb); maximum safe structural limit up to 45.2 N•m (400 in•lb).
Connector Torque: Finger-tight engagement recommended; maximum connector torque capped strictly at 0.565 N•m (5 in•lb).
Minimum Bend Radius: Maintain a 25.4 mm (1.0 in) minimum bend radius with or without stainless steel armor protection.

Thermal Caution: Exposing the Viton O-ring seal to sustained temperatures below -34 °C (-30 °F) can induce seal embrittlement and leakage.

Logistics, Assurance & Warranty Terms

Warranty Protection: Backed by a standard 12-month manufacturer defect warranty.
Fulfillment Speed: Rapid 24 to 48-hour order processing and dispatch for ready stock inventory.
Global Delivery: Secure, fully trackable express shipping via FedEx, UPS, and DHL.

Global PLC Spare HUB's Insight & Application Scenarios

Target Equipment: Large industrial steam turbines, heavy hydroelectric generators, and high-capacity centrifugal compressors requiring broader linear range measurement than standard 8mm probes.
Application Scenarios: Applied where larger shaft diameters or increased thermal growth demands a wider linear measuring range (up to 4 mm / 160 mils).
Engineering Insight: Global PLC Spare HUB technical teams highlight that the 11mm system requires matching 11mm proximitor sensors and 5-meter matched extension cables; combining 8mm hardware components with 11mm transducers will cause severe calibration signal errors.

Model Selection & Cross-Reference Comparison

Alternative Configuration: Compare with 330707-00-20-10-02-00, featuring a shorter 2.0-inch case length, a 1.0-meter cable span, and standard connector options optimized for confined mounting spaces.

Expert Technical FAQ

Question: What specific mechanical advantage does the FluidLoc cable option provide?
Answer: The FluidLoc design blocks internal capillary leakage, stopping lubricating oil from wicking through the cable interior out of the machine casing.

Question: Why must the 5-meter probe version be paired exclusively with a 5-meter proximitor?
Answer: The electrical matching of capacitance and resistance in 11mm systems is calibrated to fixed total system lengths to maintain linear scaling accuracy.

Question: What is the maximum allowable thread engagement depth for the 1/2-20 UNF case?
Answer: The maximum thread engagement length is restricted to 0.750 inches to prevent internal mechanical binding against the sensor tip.

Question: What key factors should engineers verify when selecting replacement 11mm probes?
Answer: Verify the exact case length, thread size, and whether your application requires fluid-blocking cable properties to match operational lubrication specs.

Question: How does the 7.2-ohm DC resistance measurement verify cable health?
Answer: Measuring $7.2 \pm 0.8$ ohms between the center conductor and outer conductor confirms structural continuity of the triaxial path without internal shorts.

12-Month Comprehensive Warranty

Every part supplied by Global PLC Spare Hub is covered by a 12-month warranty from the date of invoice.

Coverage: Functional defects and hardware failures under normal operating conditions.
Commitment: We provide immediate repair, replacement, or a full refund for any verified defective components to minimize your operational downtime.

Returns & Exchange Policy

We offer a 30-day return policy to ensure you receive the exact part your system requires.

Eligibility: Returns are accepted for uninstalled items in their original, factory-sealed packaging.
RMA Process: Please contact our support team to obtain a Return Merchandise Authorization (RMA) number before shipping.
Fast Processing: Refunds or exchanges are processed within 3–5 business days after the returned item passes our technical inspection.

Need Technical Assistance?Not sure if this part is compatible with your system? [Consult our Engineers] before purchasing to ensure 100% compatibility.