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The 3300 XL 8 mm system delivers the most advance dperformance in our eddy current proximity transducersystems. The standard 3300 XL 8 mm 5-meter system alsofully complies with the American Petroleum Institute's (API)670 Standard for mechanical configuration, linear range,accuracy, and temperature stability. All 3300 XL 8 mm proximity transducer systems provide this level ofperformance and support complete interchangeability ofprobes, extension cables, and Proximitor sensors, eliminatingthe need to match or bench calibrate individual components.

Each 3300 XL 8 mm Transducer System component isbackward compatible and interchangeable4 with other non-XL 3300 series 5 mm and 8 mm transducer systemcomponents5. This compatibility includes the 3300 5 mmprobe, for applications in which an 8 mm probe is too largefor the available mounting space6,7.

Frequently Asked Questions

Q : What is the standard scale factor (sensitivity) of the 3300 XL 8mm system output?

A: The standard incremental scale factor is 7.87 V/mm (200 mV/mil) when measuring standard AISI 4140 steel targets.

Q : What is the problem if the output voltage stays stuck between -0.2 Vdc and -1.0 Vdc?

A: This points to a short circuit within the coaxial cabling or indicates that the probe tip has physically drifted into hard contact against the shaft face

Q : What are the certified ambient operating temperature limits for the probe and cable?

A: The 3300 XL 8mm probe and its integrated cable are engineered to function across a temperature envelope of -51 °C to +177 °C (-60 °F to +350 °F).

Q : What is the certified linear measurement range of the 8mm probe tip?

A: The total linear range is 2.0 mm (80 mils). This window typically starts at a physical gap of 0.25 mm (10 mils) and extends out to 2.25 mm (90 mils).

Product Applications

Power industry (thermal power plants, nuclear power plants): Used for monitoring shaft vibration, shaft displacement (thrust clearance), and speed in large steam turbine generator sets.

Petrochemical and oil refineries: Widely installed on critical moving equipment such as centrifugal compressors, large centrifugal pumps, reciprocating compressors, and fans.

Iron and metallurgical plants: Used for mechanical condition protection of high-speed rotating equipment such as blast furnace blowers and large rolling mills.