Bently Nevada 138493-01 Proximitor Sensor

Product Overview

The Bently Nevada 138493-01 Proximitor Sensor offers high reliability in extreme temperatures and harsh industrial conditions. Designed for precision, it ensures accurate vibration monitoring and long-term durability.

Temperature Specifications

Probe Temperature

• Operating & Storage: -35°C to +200°C (-31°F to +392°F)

• Short-term Exposure: Up to +250°C (+482°F) for less than 24 hours

Extension Cable Temperature

• Operating & Storage: -51°C to +200°C (-60°F to +392°F)

Proximitor Sensor Temperature

• Operating: -51°C to +100°C (-60°F to +212°F)

• Storage: -51°C to +105°C (-60°F to +221°F)

Sliding Bracket Temperature

• Operating & Storage: -35°C to +200°C (-31°F to +392°F)

Humidity Resistance

• Less than 3% change in Average Scale Factor (ASF) when tested under IEC 68-2-66 standards.

Pressure Sealing

• 3300 XL probes use Viton O-rings for pressure sealing.

• Probes are not pressure-tested before shipment.

• Contact the custom design department for specific pressure-sealing tests.

Mechanical Specifications

Material Composition

• Probe Tip: Polyphenylene Sulfide (PPS)

• Probe Case: AISI 304 Stainless Steel

• Probe Cable: 75 Ω triaxial, PFA-insulated FluidLoc cable

• Extension Cable: 75 Ω triaxial, PFA-insulated FluidLoc cable

• Proximitor Sensor: A380 Aluminum

• Sliding Bracket: Anodized Aluminum and Stainless Steel

System Length

• Available in 5-meter or 9-meter configurations, including extension cable.

Optional Armor Protection

• Flexible Stainless Steel (SST) with PFA outer jacket.

Strength & Durability

Tensile Strength

• 330 N (75 lbs) from probe case to probe lead.

• 270 N (60 lbs) at probe lead to extension cable connectors.

Connector Material

• Gold-plated brass and beryllium copper for superior conductivity.

Torque Specifications

Probe & Bracket Torque

• Threaded Probe Cases: 45 N·m (400 in·lbf)

• M5x0.8 Sliding Bracket Screws: 9.6 N·m (85 in·lbf)

Connector Torque

• Recommended: Finger-tight

• Maximum Torque: 0.565 N·m (5 in·lbf)

Minimum Bend Radius

• 25.4 mm (1.0 in) with or without SST armor.