The Bently Nevada 330701-00-20-90-02-00 is a precision 11 mm proximity probe from the trusted 3300 XL series. This probe performs non-contact measurements of vibration, position, and speed on critical rotating equipment like turbines, compressors, and pumps. The 330701-00-20-90-02-00 uses a 1/2-20 UNF mounting thread without armor, which suits standard installations where mechanical protection remains unnecessary. Its 9.0-meter total length offers flexibility for connecting to remote Proximitor sensors. Additionally, the miniature coaxial ClickLoc connector ensures secure signal transmission and reliable operation.
The 330701-00-20-90-02-00 provides precise measurement capabilities for critical machinery monitoring. Its linear range covers 2 mm (80 mils), starting at approximately 0.25 mm (10 mils) from the target and extending to 2.3 mm (10 to 90 mils). This range corresponds to an output of approximately -1 to -17 Vdc. For radial vibration measurements, we recommend setting the gap to -9 Vdc, which equals about 1.27 mm (50 mils). The probe incorporates a 75Ω triaxial cable with FEP (fluoroethylene propylene) insulation, which ensures stable signal transmission across its 9.0-meter length. Furthermore, the DC resistance from the center conductor to the outer conductor measures 8.5 ± 1.1 Ω.
High-quality materials make up the 330701-00-20-90-02-00, ensuring durability and reliable performance. Polyphenylene sulfide (PPS) forms the probe tip, offering excellent chemical resistance and dimensional stability. AISI 304 stainless steel (SST) composes the probe case, providing corrosion resistance and mechanical strength. The 1/2-20 UNF thread has a maximum thread engagement of 0.750 inches. For installation, we recommend applying 15.2 N•m (133 in•lb) of torque to the probe case, while the maximum rated torque reaches 45.2 N•m (400 in•lb). The connector-to-connector connection should remain finger tight, with a maximum torque of 0.565 N•m (5 in•lb).
The 330701-00-20-90-02-00 meets numerous international standards for industrial monitoring equipment. It complies with FCC Part 15 rules for electromagnetic emissions. For the European market, it adheres to the EMC Directive 2014/30/EU and RoHS Directive 2011/65/EU, satisfying both EN 61000-6-2 (immunity) and EN 61000-6-4 (emissions) requirements. Additionally, it meets the 2019 Rules for Conditions of Classification for maritime applications on ships and offshore structures. The 3300 XL series probes are electrically and physically interchangeable with non-XL 3300 5 mm and 8 mm components when you observe the minimum cable bend radius.
Proper installation of the 330701-00-20-90-02-00 ensures accurate measurements and a long service life. First, mount the probe with the correct thread engagement, not exceeding 0.750 inches for the 1/2-20 UNF thread. Second, apply the recommended torque of 15.2 N•m (133 in•lb) when securing the probe case. Third, observe the minimum bend radius of 25.4 mm (1.0 inch) for the cable to prevent internal conductor damage. Fourth, keep the connector-to-connector connection finger tight, never exceeding 0.565 N•m (5 in•lb). For field wiring, use a 3-conductor shielded triad cable with 16 to 24 AWG tinned conductors. Keep the total wiring length within 305 meters (1,000 feet) between the Proximitor sensor and the monitor for optimal signal quality.
Each unit of the 330701-00-20-90-02-00 includes the following:
One Bently Nevada 3300 XL 11 mm Proximity Probe (1/2-20 UNF, 9.0-meter cable, ClickLoc connector)
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Q1: What is the thread size and type on the 330701-00-20-90-02-00?
A1: This probe features a 1/2-20 UNF thread with a maximum thread engagement length of 0.750 inches.
Q2: What is the total cable length of this proximity probe?
A2: The 330701-00-20-90-02-00 has a total length of 9.0 meters (29.5 feet), including the probe cable and connector.
Q3: What temperature range does this probe support?
A3: The operating and storage temperature range is -52°C to +177°C (-62°F to +351°F). However, exposure below -34°C (30°F) may affect the pressure seal.
Q4: Is the 330701-00-20-90-02-00 armored or unarmored?
A4: This model does not include armor. The 330701 prefix indicates a "without armor" configuration.
Q5: What connector type does this probe use?
A5: The 330701-00-20-90-02-00 uses a miniature coaxial ClickLoc connector (Option 02) for secure connections to Proximitor sensors.
| Brand Name | |
| Model No. | 330701-00-20-90-02-00 |
| Product Type | Proximity Probe |
| hasMerchantReturnPolicy | Adjust according to reality |
| Shippingdetails | Adjust according to reality |
This is the Bently Nevada 330190-085-00-00, a 3300 XL Extended Temperature Range (ETR) extension cable in its standard, non-armored configuration. It measures 8.5 meters (27.9 feet) and is designed without hazardous area certifications. This model provides reliable signal transmission for 3300 XL Proximitor sensors in general-purpose industrial applications where mechanical protection and explosion-proof ratings are not required.
This is the Bently Nevada 330190-080-01-05, a 3300 XL Extended Temperature Range (ETR) extension cable with full hazardous area certifications. It measures 8.0 meters (26.2 feet), features an armored jacket for mechanical protection, and carries CSA, ATEX, and IECEx approvals. This model is engineered for reliable vibration monitoring in explosive atmospheres and extreme thermal conditions up to +260°C.
This is the Bently Nevada 330190-075-01-05, a 3300 XL Extended Temperature Range (ETR) extension cable with critical hazardous area certifications. It measures 7.5 meters, features an armored jacket, and carries CSA, ATEX, and IECEx approvals. This model is specifically designed for installation in explosive atmospheres and extreme temperature environments up to +260°C.
This is the 330190-075-01-00, a 3300 XL Extended Temperature Range (ETR) extension cable from Bently Nevada. It measures 7.5 meters (24.6 feet) in length and features robust armored construction for durability. This model is specifically designed to withstand extreme operating temperatures up to +260°C, making it suitable for harsh industrial environments.
This Bently Nevada 330901-00-21-05-12-05 is a 3300 NSv proximity probe designed for non-contact vibration and position monitoring. It comes with a 0.5-meter coaxial cable and a miniature ClickLoc connector.
This Bently Nevada 330901-22-90-10-11-00 is a 3300 NSv proximity probe for non-contact vibration monitoring. It features a 1.0-meter cable, a 2.2-inch unthreaded length, and a 9.0-inch overall case with a ClickLoc connector.
The Bently Nevada 990-04-70-02-05 is a two-wire vibration transmitter designed for continuous monitoring of rotating machinery. It accepts a 3300 NSv proximity probe and provides a 4-20 mA signal proportional to vibration amplitude. With ATEX Zone 0 and CSA Division 2 approvals, this unit is suitable for demanding industrial environments.
This Bently Nevada 330930-065-00-05 is a 3300 NSv extension cable with a 6.5-meter length. It features unarmored 75Ω coaxial construction with FEP insulation for reliable signal transmission. The cable carries multiple agency approvals and operates from -51°C to +177°C for demanding monitoring applications.
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