3300 XL 8 mm Probe, 3/8-24 UNF thread, without armor
Marca :
Bently NevadaNúmero de parte :
330102-60-96-10-02-CNPeso :
0.1kgDimensión :
1.6x1.4x112cmPaís de origen :
USACódigo hs :
8537101190Descripción :
Proximity Probe
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Frida |
Siming District, Xiamen, Fujian, China |
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Specification
Base Part Number: 330102 (3300 XL 8 mm Probe, 3/8-24 UNF thread, with armor)
Unthreaded Length (Option AA): 60 = 6.0 inches.
Overall Case Length (Option BB): 96 = 9.6 inches.
Total Probe Length (Option CC): 10 = 1.0 meter (3.3 feet).
Connector and Cable-Type Option (DD): 02 = Miniature coaxial ClickLoc connector, standard cable.
Agency Approval Option (EE): Replaced by Regional Suffix.
Special Suffix: -CN = Configuration for the Chinese Market.
Probe Tip Diameter: 8.0 mm (0.31 in)
Case Thread: 3/8-24 UNF-2A
Wrench Flats: 5/16 inch (for installation tool engagement)
Lock Nut Supplied: 9/16 inch hex lock nut.
Product FAQ
Q2: This probe has the maximum case length. Will the weight and cantilever effect of this long metal body affect vibration readings, especially if mounted horizontally?
Q:We need to use this long probe in a high-temperature application (around 160°C). The tip will be hot, but the cable and connector will be in a cooler junction box. Are there any special considerations for thermal expansion of the long metal body?
A: The static weight of the probe body itself should not affect the vibration measurement of the shaft, as the probe is rigidly mounted and measures relative motion between its tip and the target. However, there are mechanical risks:
Resonance: The long, unsupported case could have a natural frequency within the machine's operating range. If excited, it could vibrate independently, adding noise to the signal or even causing mechanical fatigue.
Stress on Mounting Threads: In a horizontal orientation, the cantilevered weight creates a constant bending moment on the engaged threads, which could be a concern over many thermal and operational cycles.
Mitigation: Ensure the probe is supported along its length by the mounting sleeve or additional clamps to minimize unsupported cantilever and avoid resonance issues.
A: Yes, thermal expansion is a significant factor for long probes. Stainless steel has a coefficient of thermal expansion of approximately 17 µm/m·°C. For a 9.6" (0.244 m) case, a 100°C temperature rise will cause an expansion of about 0.41 mm (0.016 inches).
Effect: This expansion will change the physical gap between the probe tip and the target. Since the probe is fixed at the threaded end, the tip will extend further into the machine as it heats up, reducing the gap.
Compensation: This is a real physical change, not a measurement error. Your monitoring system's gap voltage will correctly reflect this change. You must account for this in your alarm setpoints by establishing "hot" and "cold" gap references. Do not interpret the entire shift as shaft movement.
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Warranty: 12 months |
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