330103-00-06-05-02-02 Proximity Transducer System (PTS)
Description:
The part number 330103-00-06-05-02-02 refers to a specific configuration of a Proximity Transducer System (PTS) from Baker Hughes (Bently Nevada). This is a complete, pre-calibrated kit designed for a single channel of machinery monitoring, used to measure radial vibration, axial position, or speed on rotating equipment.
It is an integrated package that contains all matched components for immediate installation:
One 8mm Proximity Probe
One Extension Cable
One Proximitor (Oscillator/Demodulator)
The system works by the proximitor sending a high-frequency radio frequency (RF) signal to the probe. The probe creates an electromagnetic field, and changes in the distance to the conductive target (the shaft) affect the strength of this field. The proximitor detects these changes and converts them into a precise, proportional DC voltage output.
Parameters & Specifications
The following table details the key parameters for this specific configuration based on the standard Bently Nevada part numbering scheme.
| Parameter | Specification / Interpretation |
|---|---|
| Part Number | 330103-00-06-05-02-02 |
| System Type | Proximity Transducer System (PTS) |
| System Function | Vibration / Position / Keyphasor® Measurement |
| Probe Length | -06- = 6 mm (0.24 inches) from mounting thread to tip. This is a very short probe. |
| Probe Diameter | 8 mm (standard, indicated by the "330103" prefix) |
| Connector Type | -05- = Standard "English" Thread (UNF 5/8-24) on the probe. |
| Cable Length | -02- = 2 meters (6.6 feet) of integral cable plus extension cable. |
| Proximitor Model | -02 = Specifies a particular Proximitor model and cable configuration. |
| Target Material | AISI 4140 Steel or equivalent (standard for calibration). |
| Linear Range | 0.2 to 0.9 mm (8 to 36 mils) |
| Scale Factor | 7.87 V/mm (200 mV/mil) |
| Power Supply | Proximitor typically requires -18 VDC to -26 VDC. |
| Output Signal | -1 V to -11 VDC (or 0 to -22 VDC for two-wire systems) proportional to gap. |
| Operating Temperature (Probe) | Up to 177°C (350°F) with standard cable. |
| Typical Probe Weight | ~ 0.1 kg (0.22 lbs) |
| Typical Proximitor Weight | ~ 0.5 kg (1.1 lbs) |
Important Note: *The interpretation of suffixes, especially for the "-02" proximitor, should be confirmed with the official Baker Hughes Bently Nevada PTS Selection Guide. The very short 6mm probe length and 2m cable indicate a specific application with severe space constraints.*
Application Scenarios
This Proximity Transducer System is designed for applications where a standard or long probe cannot be used due to extreme space limitations. Its very short 6mm length and relatively short 2-meter cable make it suitable for very compact machinery or tight mounting locations.
Vibration Monitoring on Compact Machinery: The primary application is on machines with very limited radial space for probe installation, such as:
Small Turbines
High-Speed Pinion Gears
Compact Compressors and Pumps
Keyphasor® Reference in Tight Spaces: Used as a once-per-revolution timing probe in applications where the mounting location is extremely tight and only a very short probe can be physically installed without interfering with other components.
Axial Position Monitoring on Thrust Collars with Limited Clearance: Used to measure thrust position on assemblies where the axial space between the thrust collar and nearby stationary structure is minimal.
Integrated Equipment and OEM Machinery: Often specified by Original Equipment Manufacturers (OEMs) for building into their own machinery where internal space is at a premium and a standard probe would be too long.
Research and Development Test Rigs: Used in laboratory settings on small-scale test rigs and rotordynamic research equipment where precise measurements are needed with minimal intrusion.
Typical Machinery:
Small Steam Turbines
High-Speed Gearboxes (pinion shafts)
Turbochargers
Small Integrally Geared Compressors
High-Speed Motors and Spindles
Specialized OEM rotating equipment
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