The Bently Nevada 21505-00-44-10-02 stands as a cornerstone for modern machinery vibration monitoring. As part of the trusted 7200 Series, this proximity transducer system provides critical data for predictive maintenance. It accurately measures shaft vibration and position, helping to prevent costly downtime in rotating equipment like turbines and compressors. Furthermore, its robust stainless steel construction ensures reliable operation in harsh industrial environments.
Performance and Output
First, the 21505-00-44-10-02 delivers a calibrated range of 80 mils (2.0 mm). Specifically, this linear output begins at approximately 10 mils (0.25 mm) from the probe face. Additionally, its scale factor is rated at 200 mV/mil (7.87 V/mm) with a system accuracy of ±4%. Moreover, the frequency response is flat from 0 to 10 kHz (0 to 600,000 cpm), with a drop of just -5% at 10 kHz. This ensures accurate data capture for high-speed machinery.
Input and Power
Furthermore, the system requires a DC input voltage between -17.5 Vdc and -26 Vdc. Besides that, it operates efficiently with a maximum current consumption of only 12 mA. Consequently, it integrates easily into existing 24V DC control systems without requiring a specialized power supply.
Temperature and Humidity
The operating temperature range is a key feature. Meanwhile, the Proximitor can function in conditions from -60°F to +212°F (-51°C to +100°C). On the other hand, the probe and extension cable handle even more extreme heat, operating from -30°F to +350°F (-34°C to +177°C). For instance, this makes it ideal for applications near steam turbines or hot gas paths. Additionally, the system is rated for up to 95% relative humidity, non-condensing.
Durability and Corrosion Resistance
Robustness is built into the design. Specifically, the probe features a stainless steel lead armor for maximum protection. Moreover, for the 8 mm probe models, operation remains unaffected by direct contact with various substances. These include air, water, lube oil, ammonium hydroxide, 10% sulfuric acid, MEK, and DMF. Therefore, the 21505-00-44-10-02 is exceptionally resistant to chemical exposure found in many petrochemical plants.
Mounting and Mechanical Details
The probe utilizes a standard 3/8-24 thread configuration for easy installation. Meanwhile, the unthreaded length option is 00, which means 0 mm of unthreaded casing. The overall case length is option 44, indicating a length of 4.4 inches. Furthermore, the total length option is 10, providing a 1.0-meter (39 inches) cable. Notably, this cable has a tolerance of +.25 meter and -.10 meter (+10 inches, -4 inches).
Connector and System Integration
Connecting the device is simple because it features a miniature male coaxial connector. Meanwhile, the system is calibrated to deliver a linear output within 0.8 mils of a straight line. However, when incorporating interchangeability errors, the linearity extends to within 2.3 mils. Therefore, proper installation of the Bently Nevada 21505-00-44-10-02 ensures accurate shaft relative vibration and position measurements.
1 x Bently Nevada 21505-00-44-10-02 Proximity Probe Assembly
1 x 7200 Series Proximitor (Driver)
1 x Extension Cable (Integrated)
1 x Installation Hardware Kit
1 x Calibration Test Report (System)
(All items are shipped in original factory packaging.)
Shipping Methods: FedEx, UPS, and DHL are available.
Q1: What is the primary application for the Bently Nevada 21505-00-44-10-02?
A1: It is primarily used for non-contact vibration and position monitoring of rotating machinery shafts, such as turbines, compressors, and pumps, to protect against mechanical faults.
Q2: What is the length of the probe cable for model 21505-00-44-10-02?
A2: The total length is 1.0 meter (39 inches) with a tolerance of +.25 meter and -.10 meter.
Q3: What is the operating temperature range for the probe itself?
A3: The probe and extension cable can operate in temperatures ranging from -30°F to +350°F (-34°C to +177°C).
Q4: What type of connector does this 7200 series probe use?
A4: This model uses a miniature male coaxial connector for secure and reliable signal transmission.
Q5: Can this 21505-00-44-10-02 probe be used in environments with chemicals?
A5: Yes, the probe face is corrosion-resistant and unaffected by direct contact with many chemicals, including water, lube oil, and 10% sulfuric acid.
| Brand Name | |
| Model No. | 21505-00-44-10-02 |
| Product Type | Proximity Probe |
| hasMerchantReturnPolicy | Adjust according to reality |
| Shippingdetails | Adjust according to reality |
The Bently Nevada 21504-00-16-05-02 is an 8mm standard mount proximity probe from the 7200 series. It provides non-contact vibration and position measurement for rotating machinery. This sensor offers a linear range of 80 mils (2.0 mm) with a sensitivity of 200 mV/mil.
The Bently Nevada 990-05-50-03-01 is a two-wire vibration transmitter designed for continuous monitoring of rotating machinery. It converts proximity probe signals into a 4-20 mA output, providing reliable protection for pumps, compressors, and turbines.
This Bently Nevada 991-06-70-01-05 thrust transmitter converts proximity probe signals into a 4-20 mA output for axial position monitoring. It offers a 0.6-0-0.6 mm full-scale range, 7.0-metre system length, and DIN-rail mounting. With CSA Division 2 and ATEX Zone 0 approvals, this transmitter suits turbines, compressors, and pumps.
The Bently Nevada 21500-00-24-05-02 is a 5 mm proximity probe from the 7200 series. It offers a calibrated linear range of 80 mils (2.0 mm) with a scale factor of 200 mV/mil. This model includes a 2.4-inch case, an unthreaded length of 0 mm, and a 0.5-meter integral cable terminated with a miniature male coaxial connector.
The Bently Nevada 21000-16-10-00-120-03-02 is a complete proximity probe housing assembly from the 21000 series. This unit supports a 3300 XL 8 mm probe with a 1.0 m cable. It features 12 inches of probe penetration, a 3/4-14 NPT mounting thread, and includes multiple conduit fitting options. The aluminum body with a 304 stainless steel sleeve ensures durability.
The Bently Nevada 330701-00-50-50-02-CN is a genuine 3300 XL 11 mm Proximity Probe engineered for precision shaft vibration and position monitoring. This model features a 5.0-meter total length, a 1/2-20 UNF case thread, and a durable PPS tip. It is a reliable solution for critical turbomachinery protection.
The 21000-28-05-00-105-04-02 is a Bently Nevada proximity probe housing assembly. It includes a 3300 XL 8 mm probe, 0.5 m cable, 10.5 in penetration, and 3/4-14 NPT mounting for machinery protection.
The 21000-28-05-45-020-03-02 is a Bently Nevada proximity probe housing assembly. It features a 3300 XL 8 mm probe, 0.5 m cable, 4.5 in standoff adapter, and 3/4-14 NPT mounting for machinery protection.
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