The 330902-36-89-05-01-00 belongs to Bently Nevada’s trusted 3300 NSv series of proximity probes. Specifically, this model provides a non-contact measurement solution for radial vibration, axial position, and keyphasor tracking on rotating machinery. Furthermore, its rugged construction ensures stable performance in harsh industrial environments like steam turbines, gas compressors, and large pumps.
This particular variant includes a 3.6-inch unthreaded length and an 8.9-inch overall case length. Additionally, it comes equipped with a 0.5-meter (20-inch) total cable length, featuring the reliable miniature coaxial ClickLoc connector with a protective cover. Consequently, installation remains straightforward and secure, minimizing signal loss or accidental disconnection during operation. We offer this genuine Bently Nevada probe for immediate delivery via FedEx, UPS, or DHL.
Probe Type and Construction
The 330902-36-89-05-01-00 probe utilizes an AISI304 stainless steel (SST) case for excellent corrosion resistance. Moreover, its probe tip is molded from polyphenylene sulfide (PPS), a durable engineering plastic that withstands constant exposure to high-speed shaft surfaces. The probe also includes a protective armor layer over the cable, which guards against abrasion and mechanical damage in crowded machine compartments.
Cable and Connector Details
This sensor ships with a 75 Ω coaxial cable insulated with fluoroethylene propylene (FEP). Furthermore, the total probe length for this configuration is 0.5 metres. The cable terminates in a miniature coaxial ClickLoc connector, complete with a connector protector. Therefore, you can rely on a secure, vibration-resistant connection to your extension cable or monitor system.
DC Resistance and Electrical Characteristics
For this 0.5-metre probe, the DC resistance measured from the center conductor to the outer conductor (RPROBE) is 4.0 ± 0.5 ohms. Specifically, this precise resistance range ensures accurate gap voltage readings and reliable output from the proximitor. Additionally, this probe is compatible with Bently Nevada 3300 and 3500 monitoring systems.
Thread and Mounting Specifications
The probe case features a standard 1/4-28 UNF thread. Moreover, the maximum length of thread engagement is 0.375 inches. For proper installation, the recommended tightening torque is 5.1 N•m (45 in•lb), while the maximum rated torque is 7.3 N•m (65 in•lb). Therefore, following these torque values prevents thread damage and ensures consistent probe gap measurement.
Environmental and Temperature Performance
The 330902-36-89-05-01-00 operates reliably across a wide temperature range. Specifically, both its operating and storage temperatures span from -52°C to +177°C (-62°F to +351°F). However, please note that prolonged exposure to temperatures below -34°C (-30°F) may cause premature seal failure. Meanwhile, the probe uses a Viton O-ring to seal differential pressure between the tip and the case.
Pressure Sealing Capability
This 3300 NSv probe is engineered to seal differential pressure effectively. Its sealing mechanism relies on a high-quality Viton O-ring. Nevertheless, Bently Nevada does not pressure test these probes prior to shipment. Therefore, users should inspect the O-ring and sealing surfaces during installation to guarantee proper sealing integrity.
Physical Weight and Dimensions
The 330902 probe weighs approximately 14 to 150 grams (0.5 to 5.3 oz), depending on the exact length and armor configuration. For this specific model, the unthreaded length is 3.6 inches, and the overall case length is 8.9 inches. Consequently, this compact form factor allows installation in tight bearing housing areas without interfering with other components.
Armor and Cable Durability
The included armor provides robust protection for the cable run. Additionally, the FEP insulation offers excellent dielectric strength and resistance to oils, solvents, and high temperatures. As a result, this probe maintains signal integrity even in the presence of moisture or chemical contaminants commonly found in industrial plants.
Pre-Installation Checks
First, verify that the 330902-36-89-05-01-00 matches your required total length and thread specification. Next, inspect the ClickLoc connector and the probe tip for any visible damage. Additionally, confirm that the target shaft surface meets the required material and finish specifications for eddy-current sensors.
Mounting and Torque Application
Begin by threading the probe into the mounting hole using finger pressure only. Then, use a calibrated torque wrench to tighten it to the recommended 5.1 N•m (45 in•lb). Specifically, do not exceed the maximum torque of 7.3 N•m (65 in•lb) to avoid stripping the threads. Furthermore, ensure that the thread engagement remains within the 0.375-inch limit.
Connector Mating and Cable Routing
Connect the ClickLoc plug to the extension cable socket until a positive click is felt. Consequently, this action locks the connection and protects it from vibration-induced loosening. Meanwhile, route the armored cable with a minimum bend radius to prevent internal conductor damage. Finally, secure the cable using appropriate clamps, avoiding sharp edges or heat sources.
1 x Bently Nevada 330902-36-89-05-01-00 3300 NSv Proximity Probe (assembled with 0.5m FEP cable and armor)
1 x Miniature coaxial ClickLoc connector (pre-installed with connector protector)
1 x Installation and handling instruction sheet
(Note: Calibration certificates, warranty documents, and mounting accessories are not included.)
All orders for the 330902-36-89-05-01-00 are dispatched within 24 hours of order confirmation. We ship exclusively via FedEx, UPS, or DHL to ensure fast and trackable delivery worldwide. Furthermore, each package is securely cushioned to prevent transit damage.
1. Which monitoring systems are compatible with the 330902-36-89-05-01-00 probe?
This probe works seamlessly with Bently Nevada 3300 and 3500 series monitoring systems. Additionally, it is compatible with any proximitor that accepts 75 Ω coaxial sensors and requires a 4.0-ohm nominal resistance.
2. Can I install this probe in a high-pressure turbine application?
Yes, the 330902-36-89-05-01-00 is designed for demanding environments. However, since it is not pressure tested before shipment, you must verify the Viton O-ring seal integrity during installation to ensure it holds the required differential pressure.
3. What is the purpose of the armor on the probe cable?
The armor protects the FEP-insulated coaxial cable from physical abrasion, crushing, and cutting. Specifically, this feature is crucial when routing the cable through crowded machine casings or conduit systems where mechanical damage is likely.
4. How do I achieve the correct gap voltage during setup?
First, install the probe at the recommended torque. Then, connect it to the proximitor and adjust the target position until the gap voltage falls within the linear range specified in your system manual. Therefore, using a calibrated micrometer or dial indicator is highly recommended.
5. What should I do if the connector does not click into place?
Inspect both the probe’s ClickLoc connector and the mating extension cable socket for dirt or bent pins. Additionally, ensure that you are applying axial pressure squarely. If the issue persists, please contact our technical support team for further assistance.
| Brand Name | |
| Model No. | 330902-36-89-05-01-00 |
| Product Type | Proximity Probes |
| hasMerchantReturnPolicy | Adjust according to reality |
| Shippingdetails | Adjust according to reality |
