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The 330192-00-68-05-05 is an 8mm Extended Temperature Range (ETR) proximity probe manufactured by Bently Nevada, part of the 3300 XL series. It is primarily used for vibration and displacement monitoring in industrial rotating machinery such as steam turbines and compressors.
100% calibration-free interchangeability
Flexible stainless steel armor
Extreme High-Temperature Endurance
The 3300 XL 8 mm ETR system delivers the most advanced performance in our eddy current proximity transducer systems. When paired with its designated ETR components to form a standard 5-meter or 9-meter total length system, it fully complies with the American Petroleum Institute’s (API) 670 Standard for mechanical configuration, linear range, accuracy, and temperature stability.
All 3300 XL 8 mm ETR proximity transducer systems provide this premium level of performance and support complete interchangeability across compatible ETR components, eliminating the need to match or bench calibrate individual units. Each 3300 XL 8 mm Transducer System component is backward compatible and interchangeable with other non-XL 3300 series 5 mm and 8 mm transducer system components. This compatibility includes the 3300 5 mm probe, for applications in which an 8 mm probe is too large for the available mounting space.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Bently Nevada 330192-00-68-05-05 ETR Proximity Probe Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Thermal Power
Installed near the main bearings and Keyphasor ends of high-pressure (HP) cylinders in supercritical thermal power units, directly exposed to high-temperature steam radiation to monitor rotor expansion and shaft vibration.
Coal Chemical Industry
Used for bearing condition monitoring of high-temperature syngas compressors in coal-to-liquids and coal gasification processes, withstanding both high heat and corrosive gases.
Nuclear Power
Used within conventional islands and specific steam auxiliary systems for high-precision thermal displacement analysis of bearings in high-temperature main feedwater pumps.
Aerospace
Used for axial and radial vibration measurements in the hot sections of high-performance aerospace engines and heavy-duty gas turbines bearing housings.
Petrochemical
Used for online axial displacement monitoring of high-temperature rich-oil pumps and hot-oil circulation pumps to prevent rotor seizure at temperatures exceeding 200 °C.
Iron & Steel Metallurgy
Used for monitoring shaft dynamic characteristics of blast furnace Top Gas Recovery Turbine (TRT) power units and converter flue gas fans, where stainless steel armor and ETR resistance prevent thermal splash damage.
When using the 330192-00-68-05-05 probe, observe these critical points. Since the thread is a 3/8-24 UNF English specification, strict control of the tightening torque within 12.4 N·m is required during installation. With a 0.0-inch unthreaded length, the case is fully threaded, meaning a voltmeter must be used to precisely adjust the initial gap voltage to approximately -10 Vdc at the linear midpoint.
As an Extended Temperature Range (ETR) model, it must be paired with a dedicated ETR extension cable. In extreme thermal environments up to 260 °C, the ClickLoc connector on its short 0.5-meter cable must be strictly insulated and sealed against high temperatures. Finally, maintain a minimum bend radius of 30.5 mm during routing to protect the internal coaxial impedance and preserve the system's calibration-free interchangeability.
The 330192-00-68-05-05 is a 3300 XL series 8mm Extended Temperature Range (ETR) forward-mount proximity probe. When connected to a matching 3300 XL Proximitor Sensor system, the system provides an output voltage that is directly proportional to the distance between the probe tip and the observed conductive surface and can measure both static (position) and dynamic (vibration) values. It delivers a standard 2.0 mm (80 mils) linear range with a scale factor of 7.87 V/mm (200 mV/mil) ±6.5% within a complete ETR matching system.
It is a 3300 XL series 8mm Extended Temperature Range (ETR) threaded armored eddy current proximity probe manufactured by Bently Nevada, USA.
What is the basic working principle of the 330192-00-68-05-05?
It performs non-contact gap distance measurement by generating eddy currents on the observed metal surface through a high-frequency electromagnetic field.
How is a standard mount probe like the 330192-00-68-05-05 used in the field?
It is secured by being screwed forward directly into an external bracket or dedicated mounting sleeve using its 3/8-24 UNF English threads.
What are the primary applications of the 330192-00-68-05-05?
It is primarily used for radial shaft vibration measurement, axial position monitoring, and speed or Keyphasor measurements on heavy rotating machinery.
Is on-site recalibration mandatory when replacing the 330192-00-68-05-05 component?
No, the 3300 XL series components feature complete interchangeability, eliminating the need for bench calibration when replacing with the same model probe.
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Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.
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