Product Description:

The Bently Nevada 330703-000-100-10-02-CN is an 11 mm Proximity Probe belonging to the industry-standard 3300 XL series. It is a non-contact eddy current sensor used to measure vibration, axial thrust position, and displacement in high-speed rotating industrial machinery.The 3300 XL 11 mm Proximitor Sensor is designed to replace the 7200-series 11 mm and 14 mm Transducer Systems. When upgrading from the 7200-series system to the 3300 XL 11 mm system, every component must be replaced with 3300 XL 11 mm components. In addition, the monitoring system must be updated. If using a 3500 Monitoring System, an updated version of the configuration software that lists the 3300 XL 11 mm Transducer System as a compatible option is required.

Frequently Asked Questions (FAQ)

Q:What is the primary function of this probe?

A:It provides a high-precision output voltage proportional to the distance between the probe tip and a moving target surface (such as a turbine shaft). It is used for vibration monitoring, axial thrust positioning, and phase reference (Keyphasor) identification on critical equipment like turbines, compressors, and large pumps.
Q:Why choose an 11 mm probe over a standard 8 mm probe?
A:The 11 mm probe tip provides a longer linear range (approximately 4.0 mm or 160 mils) compared to the standard 3300 XL 8 mm system. This extended range makes it perfect for tracking large mechanical movements, such as the differential expansion of steam turbine rotors or rod drop on reciprocating compressors.

Q:What are the torque limits for mounting this specific probe?
A:.Because this model uses an M14 x 1.5 metric body thread, you should apply a standard installation torque of 21.1 N·m (187 in·lb). The absolute maximum torque limit is 63.3 N·m (560 in·lb); exceeding this can permanently damage the 304 stainless steel case or internal coil.

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