Bently Nevada 330171-00-20-90-02-05: Long-Reach 5mm Proximity Probe

Key Technical Specifications

Brand: Bently Nevada
Model & Suffix: 330171-00-20-90-02-05
   330171: 5mm Probe, 1/4-28 UNF Thread, No Armor
   00: 0.0 in Unthreaded Length
   20: 2.0 in Overall Case Length
   90: 9.0 Meter Total Cable Length
   02: Miniature Coaxial ClickLoc Connector
   05: Multiple Agency Approvals

Core Electrical & Physical Specifications

Power Supply: Requires -17.5 to -26 VDC at 12 mA maximum.
Output Resistance: 50 Ω System, 9.87 ± 0.90 Ω (9m Probe DC Resistance).
Supply Sensitivity: Less than 2 mV change per volt of input variation.
Probe Tip Material: Polyphenylene Sulfide (PPS).
Probe Case Material: AISI 304 Stainless Steel.
Probe Case Thread: 1/4-28 UNF.
Maximum Thread Engagement: 0.375 inches.
Recommended Case Torque: 5.1 N·m (45 in-lb); Maximum 7.3 N·m (65 in-lb).

Environmental & Operational Limits

Standard Temperature Range: -35°C to +177°C (-31°F to +351°F).
Extended Temperature Classes: Compliant with EPL Ga/Gc (T1-T5) and EPL Dc (T90°C-T280°C).
Cable Type: 75 Ω triaxial with FEP insulation, 9.0 meters long.
Minimum Bend Radius: 25.4 mm (1.0 inch).
Tensile Strength: 222 N (50 lbf) at case/lead and connector points.
Magnetic Field Immunity: Features low sensitivity to 60 Hz fields up to 300 Gauss.

Frequently Asked Questions (FAQ)

What is the key feature of this model? Its primary feature is the long 9-meter integrated cable for remote mounting.
What does the '90' suffix mean? It specifies the total cable length of 9.0 meters (29.5 feet).
Is this probe suitable for high-vibration areas? Yes, its robust AISI 304 stainless steel case and secure ClickLoc connector ensure durability.
How do I choose the right model? Select based on required cable length, connector type, and agency approvals, as defined in the suffix.

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