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The Bently Nevada 330101-00-28-10-12-CN is a 3300 XL 8 mm Proximity Probe designed for use as part of the 3300 XL 8 mm Proximity Transducer System. The probe incorporates several mechanical improvements over previous designs, particularly in the connection between the probe tip, probe body, and integral probe cable.

The 3300 XL probe utilizes the patented TipLoc™ molding method, which provides a more robust bond between the probe tip and the probe body. This construction improves the mechanical integrity of the probe assembly and provides a stronger connection at the sensing end of the probe.

The probe cable attachment has also been improved through the patented CableLoc™ design. This construction provides a 330 N (75 lbf) pull strength at the point where the probe cable attaches to the probe tip, creating a more secure mechanical connection between these components.

These TipLoc™ and CableLoc™ features represent important improvements incorporated into the 3300 XL probe and extension cable design. TipLoc™ strengthens the bond between the probe tip and body, while CableLoc™ provides increased mechanical security at the cable-to-probe attachment point.

Frequently Asked Questions

Q : What is the physical diameter of the probe tip?

The tip diameter is 8 millimeters (8mm). This is the most widely adopted size in the industry for standard machinery protection.

Q : What is the thread specification of this probe?

It features an American standard 3/8-24 UNF thread. If your machine casing uses metric threads (such as M10x1), this probe will not fit directly, and you would need either a thread adapter or a metric version (the 330103 series).

Q : What is the total linear measurement range of this sensor system?

The 3300 XL 8mm system provides a total linear range of 2.0 mm (80 mils), operating with a standard Average Scale Factor (ASF) of 7.87 V/mm (200 mV/mil).

Q : What is the maximum torque allowed when tightening the probe during installation?

Because the 330101 has relatively fine threads, over-tightening can twist the case or damage internal components. The recommended maximum installation torque is 4.5 N·m (40 in·lb).

Product Applications

Power Industry: Shaft vibration and displacement monitoring of large steam turbines, water turbines, generator sets, and boiler feed pumps.

Oil and Natural Gas: Large centrifugal compressors, reciprocating compressors, gas turbines, and large fans used in oil refineries, chemical plants, and pipeline transportation.

Metallurgy and Mining: Mechanical condition and fault diagnosis of key rotating equipment such as heavy-duty rolling mills, high-power electric motors, and large blowers.