Bently Nevada 330901 NSv Proximity Probe
Product Introduction
This probe belongs to the 3300 NSv series, a compact line for space-restricted machines. It delivers reliable non-contact measurement for small rotating equipment. The 330901-00-90-05-02-05 variant features a short 0.5-meter standard cable and a miniature ClickLoc connector. Specifically, the narrow probe body measures only 1/4-28 UNF in thread size. Therefore, it fits small bearing housings, auxiliary turbines, and compact compressors. The extended 9.0-inch case also allows deeper reach into the machine.
Technical Specifications
The probe tip uses polyphenylene sulfide (PPS). Meanwhile, the case is constructed from AISI 304 stainless steel for durability. The cable is a 75 Ω coaxial, FEP-insulated design. For the 0.5-meter length, the probe DC resistance measures 4.0 Ω ± 0.5 Ω. This model features a 1/4-28 UNF thread without armor. The unthreaded length is 0.0 inches, and the overall case length is 9.0 inches. The connector is a miniature coaxial ClickLoc type.
Mechanical and Environmental Parameters
The operating and storage temperature range spans -52°C to +177°C (-62°F to +351°F). However, avoid exposing the probe to temperatures below -34°C for long periods. Such conditions may cause premature failure of the Viton O-ring pressure seal. The maximum thread engagement length is 0.563 inches. For installation, apply a recommended torque of 11.3 N·m (100 in·lb) on the full case. The first three threads should receive only 7.5 N·m. Additionally, the probe weighs approximately 14 to 150 g. For hazardous areas, temperature class ratings range from T1 at 232°C down to T5 at 40°C.
Installation Guide
First, verify the thread condition and clean the mounting area. Next, route the 0.5-meter cable with care, since short cables offer little slack. Then, thread the probe into the mounting fixture. Specifically, tighten the first three threads to 7.5 N·m, then the full case to 11.3 N·m. Hand-tighten the ClickLoc connector only; the maximum torque is 0.565 N·m. Finally, connect the cable to the appropriate Proximitor sensor and verify the system output.
Packaging List
1 x Bently Nevada 330901-00-90-05-02-05 Proximity Probe
FAQ
Q1: What is the total cable length of this probe?
A: The 330901-00-90-05-02-05 includes a 0.5-meter (20 inch) standard cable.
Q2: What makes the NSv series different from the XL series?
A: The NSv series uses a smaller probe body. This compact size suits machines with limited mounting space.
Q3: What is the recommended mounting torque?
A: Tighten the full case to 11.3 N·m (100 in·lb). The first three threads should receive only 7.5 N·m (66 in·lb).
Q4: Does this model come with armor?
A: No, this specific variant is the non-armored version with a 1/4-28 UNF thread.
Q5: How will this item be shipped?
A: We ship worldwide via Fedex, UPS, and DHL.
