The Bently Nevada 21504-30-60-05-02 is a high-performance 8 mm proximity probe designed for non-contact vibration and position measurement. This sensor is a critical component of the 7200 series transducer systems. It accurately monitors shaft vibration, thrust position, and eccentricity in critical rotating machinery. This particular model provides a 3.0-inch unthreaded length and a 6.0-inch overall case length. Furthermore, its total length is 0.5 meters (20 inches) with a miniature male coaxial connector for straightforward system integration.
The 21504-30-60-05-02 delivers reliable performance under demanding conditions. Its core strength lies in its precise output and broad frequency response.
The device operates on a DC supply ranging from -17.5 Vdc to -26 Vdc, with a maximum current consumption of 12 mA. It offers a standard calibrated range of 80 mils (2.0 mm). The measurement range begins at approximately 10 mils (0.25 mm) from the probe face. The system provides a scale factor of 200 mV/mil (7.87 V/mm). When calibrated as a system, the accuracy is within ±4%. Including interchangeability errors, the tolerance is within ±9.5%. The linearity is within 0.8 mils (0.02 mm) of a 200 mV/mil straight line for a system calibration. Moreover, it remains within 2.3 mils (0.06 mm) when accounting for probe interchangeability. This sensor boasts a frequency response from 0 to 10 kHz (0 to 600,000 cpm), with a -5% deviation at the upper limit of 10 kHz.
The Bently Nevada 21504-30-60-05-02 is engineered to endure harsh industrial environments. Its robust construction ensures long-term stability and reliable operation.
The probe and its extension cable function flawlessly in temperatures ranging from -30°F to +350°F (-34°C to +177°C). The Proximitor can operate in even more extreme conditions, from -60°F to +212°F (-51°C to +100°C). This 8 mm probe is exceptionally resistant to corrosion. Its operation remains unaffected by direct contact with air, water, lube oil, ammonium hydroxide, 10% sulfuric acid, MEK, or DMF. It performs reliably in relative humidity levels up to 95%, non-condensing.
Proper installation is straightforward with the specified mechanical configuration. The 21504-30-60-05-02 features a standard case and specific threading for secure mounting.
The case uses a standard 3/8-24 thread for easy installation into standard mounting holes. The probe tip has an 8 mm diameter and does not feature lead armor, which simplifies the installation process in certain applications. The total length option is 0.5 metre (20 inches) with a tolerance of +.13 metre and -.05 metre. Therefore, you can mount the probe using the 3/8-24 thread, ensuring the unthreaded length of 3.0 inches is correctly positioned for optimal measurement.
We understand the importance of receiving your components in perfect condition. Consequently, each Bently Nevada 21504-30-60-05-02 is shipped in its original factory packaging, guaranteeing its new and untouched status. For your convenience, we ship all orders using premium courier services. We primarily use FedEx, UPS, and DHL to ensure fast and reliable delivery to your facility.
1. What is the primary application for the 21504-30-60-05-02 probe?
This sensor is primarily used for non-contact vibration and position monitoring of rotating machinery. For instance, it is ideal for measuring shaft vibration, thrust position, and eccentricity in turbines, compressors, and pumps.
2. Is the 21504-30-60-05-02 a complete system?
No, this part number specifically refers to the probe and cable assembly. However, it must be used with a compatible Bently Nevada Proximitor and extension cable to form a complete, calibrated transducer system.
3. What is the significance of the total length option "05"?
The "05" in the part number indicates a total length of 0.5 metres, or approximately 20 inches. This length is critical for proper connection to the extension cable and Proximitor.
4. What is the frequency response of this specific model?
The 21504-30-60-05-02 offers a flat frequency response from 0 to 10 kHz (600,000 cpm). This makes it suitable for detecting both static position changes and high-frequency dynamic vibrations.
5. What is the difference between this probe and a standard accelerometer?
This proximity probe measures the relative movement between the probe tip and the shaft surface. Unlike an accelerometer, which measures absolute case vibration, it provides direct, non-contact displacement measurement of the shaft itself.
| Brand Name | |
| Model No. | 21504-30-60-05-02 |
| Product Type | Proximity Probe |
| hasMerchantReturnPolicy | Adjust according to reality |
| Shippingdetails | Adjust according to reality |
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