Bently Nevada 330191 ETR Probe: Extended Unthreaded Design

This Bently Nevada 330191 ETR probe features unique 0.2-inch unthreaded section. It combines maximum 9.0-meter cable with specialized mounting flexibility. Includes complete 12-month warranty protection. Fast global shipping via FedEx, UPS, and DHL. Download the official datasheet here

Part Number Configuration

• 330191: ETR Probe Platform
• 02: 0.2-Inch Unthreaded Section
• 16: 1.6-Inch Total Case Length
• 90: 9.0-Meter Maximum Cable
• 00: Standard Approval Status

Technical Specifications

• Brand: Bently Nevada
• Complete Model: 330191-02-16-90-00
• Probe Type: 8mm Vibration Monitoring
• Thread Type: 3/8-24 UNF
• Unthreaded Length: 0.2 inch
• Total Case Length: 1.6 inches
• Threaded Section: 1.4 inches
• Case Material: 303/304 Stainless Steel
• Tip Material: PPS Plastic
• Cable Length: 9.0 meters (29.5 feet)
• DC Resistance: 9.87 ± 0.50 Ω
• Voltage Range: -17.5 to -26 VDC
• Current Maximum: 12 mA
• Output Resistance: 50 Ω
• Supply Sensitivity: <2 mV/V
• Cable Type: 75Ω Triaxial FEP
• Temperature Range: -55°C to +232°C
• Cable Strength: 330 N Pull Force
• Connector Torque: 0.565 N·m Maximum
• Thread Engagement: 0.563 inch Maximum
• Linear Performance: Optimal above -23.5 VDC
• Cable Weight: 323 g/m
• Total Assembly Weight: ~2.9 kg
• Sealing Method: Viton O-ring
• Connector Material: Gold-plated Brass

Design Advantages

• Special 0.2-inch unthreaded section for specific mounting
• Maximum 9.0-meter cable for ultimate installation reach
• Extended Temperature Range operation
• Patented TipLoc molding technology
• CableLoc design for superior durability
• Optional FluidLoc leak prevention available
• Gold-plated connector reliability

Electrical Performance

• Operating voltage: -17.5 VDC to -26 VDC
• Barrier operation: -23 VDC to -26 VDC
• Current consumption: 12 mA maximum
• Output characteristic: 50 ohm impedance
• Voltage stability: Excellent performance
• Signal integrity: Maintained over full cable length

Technical Questions

What is the unthreaded section purpose?

The 0.2-inch unthreaded section provides specific mounting flexibility for certain installations.

How much threaded length remains?

With 1.6-inch total case and 0.2-inch unthreaded, 1.4 inches remain threaded.

What is the maximum installation reach?

9.0-meter cable provides 29.5 feet of installation flexibility for complex layouts.

How does extended length affect performance?

9.0-meter cable maintains signal integrity with 9.87 ohm resistance specification.

What temperature extremes can it handle?

T1 rating allows operation from -55°C to +232°C in extreme industrial environments.

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