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Description：

The Bently Nevada 129715-138-040-05-CN is a high-precision 3300 XL Proximity Sensor engineered for continuous condition monitoring and machinery protection in critical rotating equipment applications. This sensor is part of the trusted Bently Nevada 3300 XL series, widely used in power generation, oil & gas, petrochemical, and heavy industrial facilities.

Using advanced eddy-current sensing technology, the 129715-138-040-05-CN delivers accurate non-contact measurement of shaft vibration, displacement, and position. It is specifically designed to provide stable performance in harsh industrial environments with excellent resistance to electromagnetic interference, vibration, moisture, and temperature fluctuations.

Specification：

Frequently asked questions

Q1: What is the Bently Nevada 129715-138-040-05-CN Proximity Sensor?

A1: It is a 3300 XL series proximity sensor designed for non-contact vibration and displacement measurement in rotating machinery monitoring systems.

Q2: What does the 129715-138-040-05-CN unthreaded length option “138” indicate?

A2: The “138” option specifies a smooth case unthreaded length of 13.8 inches.

Q3: What does the 129715-138-040-05-CN overall case length option “040” represent?

A3: The “040” option represents a 4.0-inch reference case length dimension.

Q4: What is the 129715-138-040-05-CN total electrical cable length?

A4: The 129715-138-040-05-CN total cable length option “05” indicates a cable length of 0.5 meters (1.6 feet).

Product Applications

Thermal and hydroelectric power plants: Monitoring shaft vibration and axial displacement of steam turbines, gas turbines, water turbines, and generator main shafts.

Petrochemical and oil refineries: Monitoring the operating status of large centrifugal compressors, reciprocating compressors, large pump sets, and fans to prevent serious equipment damage.

Iron and steel metallurgical plants: Monitoring the bearing status of key heavy rotating equipment such as blast furnace blowers and large rolling mill drive systems.

Large manufacturing and air separation plants: Primarily used to monitor core turbine compressor units in air separation units (oxygen and nitrogen production) within the plant.