Bently Nevada 3300 XL Long-Reach Proximity Probe 330708-00-10-90-01-00

Product Configuration & Suffix Decoder

• ▪ Base Model: 330708 (11mm Probe, 5/8-18 UNF, No Armor)
• ▪ Suffix -00: Unthreaded Shank Length = 0.0 inch
• ▪ Suffix -10: Overall Case Length = 1.0 inch
• ▪ Suffix -90: Total Cable Length = 9.0 meters (29.5 feet)
• ▪ Suffix -01: Connector = ClickLoc with Protector, Standard Cable
• ▪ Suffix -00: Agency Certification = Not Required

Core Technical Specifications

• Manufacturer & Series: Bently Nevada 3300 XL
• Full Part Number: 330708-00-10-90-01-00
• Probe Type: 11 mm Diameter Eddy-Current Sensor
• Cable System: 75 Ω Triaxial with FEP Insulation
• Typical DC Resistance (9m): Approx. 5.9 Ω ±0.5
• Target Material: Ferrous Steel (Recommended)
• Linear Measuring Range: 2.0 mm (80 mils) typical
• System Sensitivity: 200 mV/mil (7.87 V/mm)
• Frequency Response: 0 to 10,000 Hz (Flat within ±3%)
• Operating Temp Range: -51°C to +177°C (-60°F to +351°F)
• Seal Material: Viton O-ring (Not pressure tested)
• Case Torque (Rec.): 15.2 N·m | Max: 45.2 N·m

Installation & Application Guidelines

• Install the probe using the recommended torque of 15.2 N·m on the case.
• Do not exceed the maximum thread engagement length of 0.938 inches.
• Hand-tighten the connector; the maximum torque is 0.565 N·m (5 in-lb).
• Maintain a minimum bend radius of 1.0 inch (25.4 mm) for the cable.
• For long-term reliability, avoid operating below -34°C (-29°F).
• This 3300 XL probe is ideal for turbines, pumps, fans, and compressors.

Technical FAQ for System Integrators

• Q: What is the maximum cable length for reliable signal integrity? A: The system is designed for up to 9 meters; longer runs may require calibration.
• Q: Can this probe measure non-ferrous or coated targets? A: Yes, but sensitivity and linear range will change; consult factory for setup.
• Q: Does the standard cable differ from FluidLoc in harsh environments? A: Yes, for wet/oily areas, specify a FluidLoc cable option for better protection.
• Q: What is the expected mechanical resolution of this probe? A: The system typically achieves a resolution better than 0.1 mils (2.5 µm).
• Q: Is special termination required for the 75 Ω triaxial cable? A: Yes, it must connect to a compatible Bently Nevada driver or monitoring system.

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