Introduction
The model 330130-080-02-00 is a 3300 NSv Proximity Transducer System Kit from Baker Hughes (formerly Bently Nevada). It is a pre-configured and calibrated system designed for measuring the relative vibration and position of a machine shaft relative to its bearing. This specific kit is engineered for API 670 compliant machinery protection. The kit includes a proximity probe, extension cable, and a driver (oscillator/demodulator) that are matched and calibrated together to ensure optimal performance and accuracy. The -080 typically indicates an 8mm probe diameter, and the -02-00 suffixes specify the cable length and connector types.
Parameters / Specifications
The following table outlines the key parameters for this transducer system kit.
| Parameter | Specification |
|---|---|
| Model Number | 330130-080-02-00 |
| Description | 3300 NSv Proximity Transducer System (8mm) |
| System Components | - One 8mm (0.315 in) Proximity Probe - One 5-meter (16.4 ft) Extension Cable - One NSv Proximitor (Driver) |
| Probe Tip Diameter | 8 mm (0.315 in) |
| Standard Target Material | AISI 4140 Steel (or equivalent) |
| Gap-to-Voltage Sensitivity | -8.00 V/mm (± 5%) / -200 mV/mil (± 5%) |
| Linear Range | 0.25 to 2.3 mm (10 to 90 mils) typically from target |
| Power Supply | -17 to -26 VDC to the Proximitor |
| Output Signal (from Proximitor) | -1 to -17 VDC (for 2mm range) scaled for vibration and position |
| System Frequency Response | 0 to 10,000 Hz (0 to 600,000 CPM) |
| Electrical Connection | Standard military-style (MS) connectors |
| Operating Temperature | Probe: -34°C to +177°C (-29°F to +350°F) Extension Cable: -34°C to +177°C (-29°F to +350°F) Proximitor: -40°C to +85°C (-40°F to +185°F) |
| Physical Dimensions & Weight | |
| Probe | Approx. 66 mm (2.6 in) long x 17.5 mm (0.69 in) hex. Weight ~0.15 kg (0.33 lb) |
| Extension Cable | 5 meters (16.4 ft) long. Weight ~0.5 kg (1.1 lb) |
| Proximitor Module | Approx. 110 mm x 45 mm x 30 mm (4.3 in x 1.8 in x 1.2 in). Weight ~0.3 kg (0.66 lb) |
| Total Kit Weight | Approx. 1.0 kg (2.2 lb) (including packaging) |
*Note: The exact dimensions and weights are approximate. The "XX" in the cable length part of the model number is specified here as a 5-meter cable based on a common configuration. Always confirm with the factory datasheet for the specific order code.*
Application Scenarios
This system is a critical component for protecting and monitoring high-value rotating machinery across various industries:
Radial Vibration Monitoring on Critical Equipment:
Primarily used to measure shaft relative vibration on turbines, compressors, large pumps, and generators. It is the primary sensor for API 670 compliant machinery protection systems, providing essential data for alarms and shutdowns.
Axial Position Thrust Monitoring:
Used to monitor the axial (thrust) position of a rotor to prevent catastrophic damage from excessive movement that could cause thrust collar and bearing failure.
Differential Expansion Monitoring:
On large steam turbines, these systems can be used to measure the differential expansion between the rotor and the stator casing.
Rotating Machinery Commissioning and Diagnostics:
Used during machine startup and alignment to establish baseline vibration levels, centerline position, and to diagnose dynamic behaviors like oil whirl and shaft instability.
OEM Integration:
Supplied as the standard vibration monitoring system by original equipment manufacturers (OEMs) for their turbines, compressors, and other high-speed machinery, ensuring a pre-calibrated, reliable solution.
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