330130-030-00-00 Proximity Transducer System (PTS)
Description:
The part number 330130-030-00-00 refers to a 3300 XL 11mm Proximity Transducer System from Baker Hughes (Bently Nevada). This is a complete, pre-calibrated kit designed for a single channel of machinery monitoring, specifically for measuring radial vibration or axial position on large rotating equipment.
This system is part of the enhanced 3300 XL series, known for its improved performance. The "330130" prefix identifies it as an 11mm system, which is used for applications requiring a larger probe diameter than the standard 8mm. The kit includes all necessary, matched components for immediate installation:
One 11mm Proximity Probe
One Extension Cable
One Proximitor (Oscillator/Demodulator)
The key identifier -030- in the part number specifies the critical probe length.
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 | 330130-030-00-00 |
| System Type | 3300 XL 11mm Proximity Transducer System (PTS) |
| System Function | Vibration / Position Measurement |
| Probe Length | -030- = 30 mm (1.18 inches) from mounting thread to tip. |
| Probe Diameter | 11 mm (specified by the "330130" prefix) |
| Connector Type | -00- = Standard "English" Thread (UNF 5/8-24) on the probe. |
| Cable Length | -00 = Typically indicates a standard 5-meter (16.4 ft) extension cable is included. |
| Proximitor Model | 330130 (3300 XL 11mm System Proximitor) |
| Target Material | AISI 4140 Steel or equivalent (standard for calibration). |
| Linear Range | 0.5 to 1.8 mm (20 to 72 mils) - typical for 11mm systems. |
| Scale Factor | 7.87 V/mm (200 mV/mil) ± 2% |
| Power Supply | -18 VDC to -26 VDC (Typically from a rack or external power supply) |
| Output Signal | -2 V to -16 VDC (for a 2-wire system) or 0 to -22 VDC (for a true 2-wire system), proportional to the gap. |
| Typical Probe Weight | ~ 0.2 kg (0.44 lbs) |
| Typical Proximitor Weight | ~ 0.5 kg (1.1 lbs) |
| Operating Temperature (Probe) | -40°C to 177°C (-40°F to 350°F) [Standard cable] |
| Mounting Thread | Larger thread size compatible with the 11mm probe body. |
Important Note: The exact specifications for the cable length and mounting thread should be verified with the official Baker Hughes Bently Nevada 3300 XL 11mm PTS Datasheet. The dimensions and weights provided are typical values.
Application Scenarios
This 3300 XL 11mm Proximity Transducer System is used for high-reliability machinery protection on large rotating equipment. The larger 11mm probe is typically selected for its robustness and extended linear range, making it suitable for large machinery with greater clearances and more demanding environments.
Shaft Radial Vibration Monitoring on Large Turbines and Generators: The primary use on very large rotors where the extended linear range is beneficial. It provides essential data to protect against:
Imbalance
Misalignment
Shaft Rubs
Shaft Axial Position (Thrust) Monitoring on Large Machines: Used to monitor the thrust position of large turbine and compressor rotors. The 11mm probe is often specified for these critical measurements due to its durability and range.
Keyphasor® Reference Signal on Large Equipment: A dedicated 11mm proximity probe system is sometimes used as a Keyphasor on very large machinery where a more robust sensor is desired.
Eccentricity and Differential Expansion Monitoring: On large steam turbines, it can be used to measure slow-roll runout and the relative growth between the rotor and the stationary casing, where the larger measurement range is advantageous.
Heavy-Duty Industrial Applications: Selected for environments where mechanical durability is a primary concern, in addition to measurement accuracy.
Typical Machinery:
Large Steam Turbines & Gas Turbines
Heavy-Duty Centrifugal Compressors
Large Hydro-generators
Turbo-generators
Large Fans and Blowers in heavy industries
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