Introduction to the Bently Nevada 330195-02-12-10-05
When unplanned downtime threatens production targets, the Bently Nevada 330195-02-12-10-05 3300 XL 8mm Proximity Probe delivers the precise vibration data needed for predictive maintenance. This reverse-mount probe, part of the industry-standard 3300 XL series, provides reliable shaft relative measurements in demanding industrial environments. Built for long service life, the 330195-02-12-10-05 helps reduce maintenance costs and extend machinery uptime, offering a strong return on investment.
Technical Specifications
The Bently Nevada 330195-02-12-10-05 is engineered for accuracy and durability. Key performance parameters include:
-
Total Length: 1.0 meter (3.3 feet) – option code 10
-
Thread: 3/8-24 UNF with maximum thread engagement of 0.563 inches
-
Probe DC Resistance (RPROBE): 7.59 Ω ± 0.50 at 1.0 m length, measured from center conductor to outer conductor
-
Tip Material: Polyphenylene sulfide (PPS)
-
Case Material: AISI 303 or 304 stainless steel
-
Relative Humidity Effect: Less than 3% change in Average Scale Factor when tested at 93% humidity per IEC 68-2-3 for up to 56 days
-
Temperature Range (Standard Probe): Operating and storage from -52°C to +177°C (-62°F to +350°F)
-
Extended Temperature Range: Probe tip -52°C to +218°C (-62°F to +425°F); cable and connector -51°C to +260°C (-60°F to +500°F)
-
Agency Approvals: CSA, ATEX, IECEx – option code 05
These specifications ensure stable, repeatable measurements over a wide range of operating conditions.
Installation and Setup Guidance
Proper installation of the Bently Nevada 330195-02-12-10-05 is critical for accurate readings. Follow these guidelines:
- Use the correct 3/8-24 UNF thread and ensure maximum engagement of 0.563 inches to avoid thread damage.
- Mount the probe in a clean, dry hole. Avoid excessive torque to prevent stress on the Viton® O-ring pressure seal.
- Route the 1.0 m cable away from high‑temperature surfaces and sharp edges. Secure it with appropriate clamps.
- After installation, verify gap voltage per the monitoring system requirements.
Although probes are not pressure tested before shipment, the design seals differential pressure between tip and case. For pressure‑sensitive applications, contact our custom design department for testing options.
Maintenance and Reliability
The 330195-02-12-10-05 requires minimal routine maintenance. Its PPS tip and stainless steel case resist corrosion and wear. To maximize reliability:
- Inspect the probe tip and cable periodically for physical damage or contamination.
- Avoid exposing the probe to temperatures below -34°C (-30°F), as this may cause premature failure of the pressure seal.
- When replacing a probe, ensure the new unit matches the original length and thread specification to maintain calibration.
By following these simple steps, users extend probe life and reduce total cost of ownership, aligning with the ROI goals of any condition monitoring program.
Selection Guide and Purchasing Advice
Before ordering, verify your system requirements: confirm thread type (3/8-24 UNF), total cable length (1.0 m), and agency approval needs (CSA, ATEX, IECEx). The Bently Nevada 330195-02-12-10-05 is a direct OEM replacement for many 3300 XL installations. For expert assistance, contact PLC Source PRO, your trusted supplier of industrial automation spares.