The Bently Nevada 330103-00-08-10-02-05 is a part of the 3300 XL series of proximity probes. This model is designed for high-precision vibration and position measurements, particularly for fluid-film bearing machines. It is commonly used for keyphasor reference and speed measurements. The 3300 XL 8 mm probe is known for its reliability, accuracy, and compliance with the API 670 Standard, making it suitable for demanding industrial applications, such as those found in the oil and gas industry.

Technical Specifications

General Characteristics

• Probe Type: Eddy current proximity probe
• Model: 3300 XL 8 mm
• Probe Length Options:
  • Unthreaded Length: 00 (0 mm)
  • Overall Case Length: 08 (80 mm)
  • Total Length: 10 (1.0 meter / 3.3 feet)
• Connector Type: Miniature coaxial ClickLoc™ connector
• Cable Type: Standard cable
• Probe Tip Material: Polyphenylene sulfide (PPS)
• Probe Case Material: AISI 303 or 304 stainless steel (SST)
• Sealing: Viton® O-ring for pressure sealing
• Pressure: Probes are not pressure tested; custom testing can be requested

Electrical Specifications

• Proximitor Sensor Input: Accepts one 3300-series 5 mm or 3300 XL 8 mm proximity probe and extension cable.
• Power Supply: Requires -17.5 Vdc to -26 Vdc at 12 mA maximum, or -23 Vdc to -26 Vdc with barriers.
• Operating Voltage: The probe operates at voltages no higher than -23.5 Vdc to ensure linear range.
• Supply Sensitivity: Less than 2 mV change in output voltage per volt change in input voltage.
• Output Resistance: 50 Ω.

Performance Characteristics

• Target Material: AISI 4140 steel (for accurate calibration)
• Temperature Range: +18°C to +27°C (+64°F to +80°F)
• Altitude: Up to 2000 meters (6562 feet)
• Gap Setting: Probe gapped at 1.27 mm (50 mils)