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The Bently Nevada 3300/03‑01‑00 is a proximitor transmitter (non‑contact displacement / vibration sensor) in the 3300 series. It is designed to accept the signal from a proximity probe + extension cable and produce a voltage output that corresponds to the gap between probe tip and a conductive target (shaft). The “03‑01‑00” suffix suggests a specific internal configuration (e.g. “03” variant, “01” length or mounting variant, “00” no extra certifications). This variant is likely one of the more basic, general‑industrial versions of the 3300 proximitor family.
It is used in rotating machinery monitoring, to provide dynamic and static displacement / vibration data as part of condition monitoring or protection systems.
Below is a table of typical or inferred parameters for 3300/03‑01‑00, based on common 3300 proximitor characteristics and variant data.
| Parameter | Specification / Typical Value |
|---|---|
| Model | 3300/03‑01‑00 |
| Series / Type | 3300 Proximitor / Transmitter |
| Probe Input Compatibility | 3300 series proximity probes with extension cable |
| Supply Voltage | –17.5 VDC to –26 VDC (non‑barrier) |
| Current Consumption | ≤ 12 mA (typical maximum) |
| Output Resistance | 50 Ω |
| Sensitivity / Scale Factor | ~7.87 mV/μm (≈ 200 mV/mil) (common 3300 standard) |
| Linear Range | ~0.25 mm to ~2.0 mm (≈10–80 mils) |
| Operating Temperature | –50 °C to +100 °C (common for 3300 series) |
| Storage Temperature | –50 °C to +105 °C |
| Housing Material | Aluminum alloy (e.g. A308/A383) |
| Dimensions (approx.) | ~81.3 mm × 50 mm × 63.5 mm (typical 3300 sensor housing) |
| Weight (sensor module only, kg) | ~0.255 kg (255 g) |
| Environmental / Humidity | 100% condensing humidity (connector sealed) |
| EMI / RFI Immunity | Standard shielding to meet industrial noise environments |
Notes and Caveats:
The dimension and weight values are similar to those used for many 3300 series proximitor sensors (e.g. 330100 series) and are plausible in the absence of an exact datasheet.
The linear range, sensitivity, and temperature tolerances mirror typical 3300 sensor family data.
The “03‑01‑00” designation may indicate a special internal assembly (e.g. mounting, internal variant) but does not alter the core proximitor principle.
The 3300/03‑01‑00 proximitor is suitable for:
Vibration and displacement monitoring on turbines, compressors, pumps, motors
Shaft radial or axial position monitoring
Keyphasor / phase reference signal generation
Plant condition monitoring systems (proactive maintenance)
Machinery in power, petrochemical, refining, marine, process industries
Replace or retrofit older proximity systems with proven 3300 series technology
Proven Technology: Based on the mature 3300 proximitor design with decades of field use
Non‑Contact Measurement: Avoids wear, friction, and mechanical interference
Stable Output: Low drift and good linearity over time and temperature
Wide Temperature Operation: Supports extreme industrial ranges
Standard Probe Compatibility: Works with standard 3300 series probes / cables
Robust Construction: Aluminum housing protects internal electronics
Good EMI / RFI Immunity: Designed for industrial electrical noise resilience
Compact Size: Fits well into control cabinets or sensor housings
Ease of Integration: Compatible with monitoring racks, analog electronics
Here are five models either in the 3300 proximitor family or closely related:
| Model | System Length / Mounting | Certification or Variant | Dimensions / Weight | Notes / Differences |
|---|---|---|---|---|
| 3300/03‑02‑01 | Standard length variant | “02‑01” variant | ~81×50×63 mm, ~0.255 kg | Usually a transmitter / probe combo variant |
| 330100‑50‑00 | 5.0 m | Base variant (50/00) | 81.3×50×63.5 mm, 0.255 kg | Panel mount proximitor |
| 330100‑90‑05 | 9.0 m | Certified (‑05) variant | 78×60×65 mm, ~0.22 kg | Longer cable certified version |
| 330100‑90‑01 | 9.0 m | Variant (‑01) | ~0.323 kg | 9 m, possibly special internal config |
| 330180‑50‑05 | 5.0 m | XL / variant | 81.3×50×63.5 mm, 0.323 kg | Proximitor from 3300/XL line |
Here are five popular Bently Nevada models in the proximity / monitoring ecosystem:
| Model | Type / Function | Application / Key Strength | Notes |
|---|---|---|---|
| 3500/05‑01‑01‑00‑00 | Condition Monitoring Rack / Module | Multi-channel vibration / proximity monitoring | Core rack module used worldwide |
| 9200‑03‑05‑10‑00 | Smart Condition Monitoring Module | Digital diagnostics and remote connectivity | Role in modern IIoT systems |
| 330500 Velocity Sensor | Vibration Velocity Transducer | Velocity-based vibration measurement | Complements proximity sensors |
| 330450‑10‑05 | Compact Proximity Probe / Sensor | Tight-space position sensing | Useful in constrained mechanical layouts |
| 330105‑02‑12‑05‑02 | Proximity Probe + Cable | Precise displacement measurement | Direct coupled with 3300 sensors |
Q1: What does the “03‑01‑00” suffix represent?
A1: It is a code for internal configuration (variant 03, sub‑variant 01, base version “00”) in the 3300 sensor family.
Q2: What is the supply voltage needed?
A2: –17.5 VDC to –26 VDC (non-barrier); –23 to –26 VDC when using barrier modules.
Q3: What is the module’s weight?
A3: Approximately 0.255 kg (255 grams).
Q4: What are the sensor’s dimensions?
A4: Roughly 81.3 mm × 50 mm × 63.5 mm (typical 3300 proximitor form).
Q5: What is the operating temperature range?
A5: –50 °C to +100 °C is the usual industrial rating.
Q6: What is its linear measurement range?
A6: Typically ~0.25 mm to ~2.0 mm (depending on probe calibration).
Q7: What is the output resistance?
A7: 50 ohms.
Q8: Which probes does it work with?
A8: Compatible with 3300 and 3300 XL proximity probes and extension cables.
Q9: How tolerant is it to electrical noise?
A9: It includes shielding and design features to resist EMI / RFI in industrial settings.
Q10: Can this proximitor sensor be used with modern digital systems?
A10: Yes — its analog output is compatible with many condition monitoring and ADC systems.
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