330881-28-00-075-03-02 | PROXPAC XL Proximity Transducer

Overview:

The Bently Nevada 330881-28-00-075-03-02 PROXPAC XL Proximity Transducer is a self-contained proximity probe assembly designed to provide high-level protection and accurate measurements. It integrates the 3300 XL Proximitor sensor within the housing, eliminating the need for extension cables or separate Proximitor housings. Made with Polyphenylene Sulfide (PPS), it offers robust protection against electrostatic charges and performs well in harsh environments, including those with Type 4X and IP66 ratings.

Key Features:

• Self-contained System: The PROXPAC XL integrates the 3300 XL Proximitor sensor, offering a complete proximity probe system.
• Durable Housing: Constructed from Polyphenylene Sulfide (PPS), offering enhanced strength and electrostatic charge dissipation.
• Environmentally Resistant: Rated for Type 4X and IP66 environments, ideal for severe conditions.
• Easy Integration: Direct field wiring connection without the need for an additional Proximitor housing.
• Multiple Approvals: Compatible with 3300 XL 8 mm probes with multiple approvals for various industrial applications.
• Flexible Installation: Available with different fitting and mounting options to suit a variety of setups.

Technical Specifications:

• Brand: Bently Nevada
• Model: 330881-28-00-075-03-02
• Product Type: PROXPAC XL Proximity Transducer
• Probe: 3300 XL 8 mm probe with multiple approvals
• Standoff Adapter: None
• Probe Penetration: 75 mm
• Fittings: One M20 fitting, two plugs
• Mounting Thread: 3/4-14 NPT (required for standoff adapter)
• Weight: 1.44 kg

Electrical Specifications:

• Proximitor Sensor Input: 3300 XL 8 mm proximity probe with 1-meter cable
• Power Requirements:
  • -17.5 Vdc to -26 Vdc (12 mA max consumption without barriers)
  • -23 Vdc to -26 Vdc with barriers
  • Operation at voltages higher than -23.5 Vdc can reduce linear range.
• Sensitivity: Less than 2 mV change in output voltage per volt change in input voltage.
• Output Resistance: 50 Ω
• Nominal Probe DC Resistance (RPROBE): 7.59 ± 0.50 Ω (at 1-meter probe length)
• Deviation from Best Fit Line: Less than ±0.025 mm (±1 mil) from 0 °C to +45 °C (+32 °F to +113 °F).
• Frequency Response: 0 to 10 kHz, ±3 dB, with up to 305 meters (1000 feet) of field wiring.

FAQ:

1. What is the purpose of the PROXPAC XL Proximity Transducer?
   • It is used for precise measurement of shaft position and vibration in rotating machinery, eliminating the need for an external Proximitor sensor housing.
2. Can the PROXPAC XL be used in extreme environments?
   • Yes, with its PPS housing and IP66 rating, it is designed for use in severe environmental conditions.
3. What is the maximum cable length supported by the PROXPAC XL system?
   • The system supports up to 305 meters (1000 feet) of field wiring.
4. What is the recommended minimum shaft diameter for installation?
   • The minimum recommended shaft diameter is 50.8 mm (2.0 in), with 76.2 mm (3.0 in) being ideal.

Check official datasheet for more detailed information: PROXPAC XL Proximity Transducer Assembly Datasheet