

Product Introduction: 3300/20-03-01-01-00-00
The 3300/20-03-01-01-00-00 is a 4-20 mA Proximity Transducer System from the Bently Nevada 3300 series. This system is a foundational component for machinery condition monitoring, designed to measure the relative vibration and position of a machine's shaft relative to its bearing. It consists of a proximity probe, extension cable, and a proximitor (transducer) that together generate a DC voltage proportional to the gap between the probe tip and the shaft, and an AC voltage proportional to vibrational motion. This specific part number configuration outputs this dynamic vibration data as a standardized 4-20 mA signal for easy integration into control systems.
Technical Parameters
The key technical specifications for this transducer system are summarized in the table below.
| Parameter | Specification |
|---|---|
| Part Number | 3300/20-03-01-01-00-00 |
| Product Line | Bently Nevada 3300 |
| System Type | 4-20 mA Proximity Transducer System |
| Probe Diameter | 8 mm (standard) |
| Probe Tip Style | Stainless Steel, unthreaded |
| Cable Length | 5 meters / 16.4 ft (standard, configurable) |
| Transducer (Proximitor) Dimensions | 80 mm x 40 mm x 25 mm (approx.) |
| Total System Weight | 0.6 kg (approx., including probe and cable) |
| Output Signal | 4-20 mA, Two-Wire (Loop Powered) |
| Power Supply | 12 to 30 VDC |
| Scale Factor | 8 mV/µm (200 mV/mil) for vibration / 4 mA corresponds to 0 µm, 20 mA corresponds to a predefined full-scale range (e.g., 500 µm pk-pk) |
| Frequency Response | 0 to 10,000 Hz |
| Operating Temperature Range | -35°C to +120°C (Probe); -20°C to +80°C (Transducer) |
Application Scenarios
This system is a cornerstone for machinery protection and condition monitoring in critical rotating equipment across various industries.
Radial Vibration Monitoring:
Permanently installed on bearings of steam turbines, gas turbines, and compressors to monitor shaft vibration, detecting issues like imbalance, misalignment, and shaft cracks.
Axial Position Monitoring:
Used to measure the thrust position of a rotor within its case, protecting turbines and compressors from catastrophic damage due to excessive rotor float.
Eccentricity Monitoring:
Monitors slow-roll bow or sag of a large turbine shaft during startup and shutdown to prevent seal rubs.
Differential Expansion Monitoring:
Measures the difference in thermal growth between a machine's rotor and casing, which is critical for large steam turbines.
Integration into Control Systems:
The 4-20 mA output allows for straightforward connection to PLCs, DCS, or SCADA systems for plant-wide monitoring, alarm, and shutdown functions.
Global direct procurement guarantee
All products are purchased directly from overseas original manufacturers or authorized channels, 100% guaranteed genuine quality, sufficient spot inventory, and comprehensive model coverage
Quality Commitment
Each product has been tested by our technicians, providing 12-month long warranty, worry-free after-sales
Flexible procurement plan
- Bulk order enjoys Friendship discount (2 pieces or more can be applied)
- Long-term cooperative customers can apply for priority supply
Full service support
7×24 hours technical consultation, from selection guidance to installation and commissioning to provide full life cycle service (paid)
Why do so many customers choose us?
On the basis of the same quality, we provide:
- More competitive price system
- Faster logistics response
- More complete technical support (free product technical documentation)
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