What Is SCADA? Supervisory Control Without Replacing the PLC
SCADA sits above PLCs and RTUs: it acquires field data, alarms operators, and issues supervisory commands across plants and remote assets—without replacing local deterministic control.

Providing reliable displacement and vibration measurements on large utility turbomachinery, the Bently Nevada 330851-02-000-050-10-01-CN is engineered for high-precision monitoring in demanding industrial environments. As a primary sensor within the 3300 XL 25 mm Proximity Transducer System, this probe is configured with an M30x2 metric thread body, zero unthreaded length, a 50 mm overall case length, and a 1.0-meter integrated cable protected by stainless steel armor. Built with high-grade Polyetheretherketone (PEEK) tip materials and a corrosion-resistant AISI 304 stainless steel housing, the assembly withstands severe thermal cycling and chemical exposure. This specific model features country-specific agency approvals for reliable compliance in globally managed production facilities.
| Parameter | Specification Value |
|---|---|
| Manufacturer | Bently Nevada |
| Part Number / SKU | 330851-02-000-050-10-01-CN |
| Product Series | 3300 XL 25 mm Proximity Transducer System |
| Probe Case Type | M30x2 metric thread (Option 02) |
| Unthreaded Length | 0 mm (Option 000) |
| Overall Case Length | 50 mm (Option 050) |
| Total Cable Length | 1.0 meter (3.3 feet) (Option 10) |
| Cable Armor Option | Flexible AISI 302 SST with PFA outer jacket (Option 01) |
| Probe Tip Material | Polyetheretherketone (PEEK) |
| Probe Case Material | AISI 304 stainless steel (SST) |
| Cable Impedance & Type | 75-ohm triaxial PFA-insulated FluidLoc cable |
| Operating / Storage Temp | -35 degC to 200 degC (-31 degF to 392 degF) |
| Agency Approvals | Country-specific hazardous area certifications (Option CN) |
| Net Weight | 0.330 kg (0.73 lbs) |
| Shipping Weight | 1.300 kg (2.87 lbs) |
The 1.0-meter physical length of this probe must be paired with an appropriate 3300 XL extension cable to achieve a total calibrated electrical system length of either 5.0 or 9.0 meters. Substituting mismatched physical and electrical lengths or mixing 25 mm probes with non-matching Proximitor sensors causes substantial impedance discrepancies, yielding severe gap-voltage calibration errors.
The SST armor provides high physical resistance but must not be bent past its minimum static bend radius of 25.4 mm (1.0 inch). Kinking or exceeding this limit damages the delicate 75-ohm triaxial FluidLoc core, leading to signal instability or loss of machinery protection functionality.
Mount the probe through a pre-drilled M30x2 metric tapped hole, utilizing a calibrated torque wrench to ensure secure locking without stressing the threaded housing or the internal PEEK tip assembly.
Route the armored cable to the junction box using cable trays or conduit. Avoid high-stress locations near moving components or extreme localized heat sources to ensure long-term stability.
Verify correct probe gap using a digital voltmeter. Calibrate the gap voltage according to system standards (typically -10 VDC at mid-scale for standard target materials) before commissioning.
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| Country of origin |
United States
|