The Bently Nevada 330901-00-90-05-02-00, also cataloged as the 330901 Proximity Sensors, operates as a dedicated hardware component for non-contact shaft vibration and position measurement within 3300 NSv Machinery Monitoring System platforms. The assembly features a 1/4-28 UNF thread profile with a 0.0 in unthreaded length, a 9.0 in overall case length, and a 0.5 m (20 in) FEP-insulated coaxial cable terminated with a miniature coaxial ClickLoc connector.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 330901-00-90-05-02-00 |
| Brand | Bently Nevada |
| Origin | United States |
| Weight | 0.5 kg (Shipping Weight: 2.5 kg) |
| Dimensions | Standard 1/4-28 UNF case (9.0 in case length) |
| Operating Temp | -51 deg C to +177 deg C (-60 deg F to +350 deg F) |
| Power Consumption | Passive transducer (Powered via Proximitor Sensor) |
| Case Material | AISI 304 Stainless Steel (SST) |
| Tip Material | Polyphenylene Sulfide (PPS) |
| Cable Type | 75 Ohm coaxial, FEP insulated, standard cable |
| Total Length Option | 0.5 m (20 in) |
| Unthreaded Length | 0.0 in |
| Overall Case Length | 9.0 in |
| Connector Option | Miniature coaxial ClickLoc connector |
| Agency Approval | Not required (00 Option) |
Mechanical Monitoring & TSI Performance
The 330901-00-90-05-02-00 probe is designed for tight-clearance rotor dynamics monitoring, where physical spatial limits restrict standard 5 mm or 8 mm probe installations. In conjunction with a matching 3300 NSv Proximitor Sensor, the eddy-current probe scaling delivers a calibrated linear output proportional to the gap distance between the PPS probe tip and the target shaft surface. Achieving proper gap voltage validation (typically targeted at -10 VDC during physical installation calibration) ensures optimum dynamic linear range and effective cross-talk suppression between closely spaced transducer channels in counter-bored machinery locations.
Frequently Asked Questions
Q: What is the correct target gap voltage when setting up the 330901-00-90-05-02-00 probe?
A: Physical mounting position should be adjusted mechanically until the Proximitor Sensor output reads approximately -10 VDC, corresponding to the midpoint of the probe linear range.
Q: Can the 0.5 m probe cable be connected directly to a 3300 NSv monitor channel?
A: No. The 0.5 m probe length requires a matching 3300 NSv extension cable to achieve the required 5 m or 7 m total system length specified for the paired Proximitor Sensor.
Q: What material constitutes the probe tip and case assembly?
A: The probe body is constructed from AISI 304 stainless steel, and the probe tip is molded from polyphenylene sulfide (PPS) high-temperature polymer.
Field Installation Guidelines
- Mount the probe into the threaded machine port using standard hand tools; avoid over-torquing to prevent casing shear or thread binding.
- Maintain minimum 5-thread engagement (NPT/UNF standard practice) when installing probe fittings into machine housings.
- Validate mechanical center alignment to maintain radial clearance and prevent shaft contact during thermal expansion cycles.
- Clean and inspect the ClickLoc miniature coaxial connector before mating, ensuring lock engagement prevents oil intrusion and signal contamination.
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لوكاس مولر
مدير العمليات، ألمانياالمنتجات ذات الصلة
330904-08-15-10-02-05 Bently Nevada 3300 XL Proximity Probes
$99.00
$199.00
مرشد
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