Bently Nevada 21504-00-16-10-02 Proximity Probe

Bently Nevada 21504-00-16-10-02 Proximity Probe Overview

The Bently Nevada 21504-00-16-10-02 is a high-performance proximity probe vibration sensor built for precision machinery monitoring. This model belongs to the trusted 7200 Proximity Transducer Systems family. It is specifically engineered to measure shaft vibration, axial position, and other critical mechanical movements in rotating equipment. Furthermore, its robust 8 mm tip construction and standard 3/8-24 threaded case ensure easy installation in most industrial environments.

Specifically, this 21504-00-16-10-02 sensor delivers a calibrated range of 80 mils (2.0 mm), with the measurement beginning at approximately 10 mils (0.25 mm) from the probe face. Its scale factor is set at 200 mV/mil (7.87 V/mm), providing clear and proportional output signals for predictive maintenance systems. Additionally, the frequency response reaches up to 10 kHz (600,000 cpm), making it suitable for high-speed turbine and compressor applications.

Technical Specifications of the 21504-00-16-10-02

When you examine the output performance, the Bently Nevada 21504-00-16-10-02 shows excellent linearity. When calibrated as a complete system, it stays within 0.8 mils (0.02 mm) of a 200 mV/mil straight line. Meanwhile, even when including interchangeability errors, it remains within 2.3 mils (0.06 mm) of that same straight line. This level of precision ensures reliable vibration data collection for condition monitoring programs.

The input power requirements for this 21504-00-16-10-02 probe are straightforward. It accepts a DC supply voltage ranging from -17.5 Vdc to -26 Vdc, with a maximum current consumption of only 12 mA. Consequently, it integrates easily with most existing proximity monitoring systems without demanding significant power upgrades.

Furthermore, the temperature sensitivity of this Bently Nevada 21504-00-16-10-02 is typically -3% change in scale factor at +150°F (+65°C) when measured at a 50 mils gap (1.27 mm). This predictable performance across varying thermal conditions makes it a dependable choice for environments with fluctuating temperatures.

Mechanical and Environmental Specifications

The mechanical construction of the 21504-00-16-10-02 includes an unthreaded length of 0 mm and an overall case length of 160 mm. The total length is 1.0 metre (39 inches), with a tolerance of +0.25 metre and -0.10 metre (+10 inches, -4 inches). Moreover, it comes with a miniature male coaxial connector (Option 02), which simplifies cable connections to extension cables or Proximitor sensors.

For installation, the tip features a standard 3/8-24 thread configuration, and the 8 mm diameter tip is built without lead armor. This design ensures straightforward mounting in standard probe holders and brackets commonly found in industrial machinery.

The operating temperature range for the Proximitor is from -60°F to +212°F (-51°C to +100°C). Meanwhile, the probe and extension cable can withstand temperatures from -30°F to +350°F (-34°C to +177°C). Therefore, this Bently Nevada 21504-00-16-10-02 performs reliably in both extreme cold and high-heat environments. The system also tolerates relative humidity up to 95%, non-condensing, without compromising measurement accuracy.

Additionally, corrosion resistance is a key feature for this 8 mm probe. Direct contact with air, water, lube oil, ammonium hydroxide, 10% sulfuric acid, MEK (methyl-ethyl ketone), or DMF (dimethylformamide) does not affect its operation. This chemical resilience makes the 21504-00-16-10-02 suitable for use in chemical plants, refineries, and other harsh industrial settings where fluid exposure is common.

Installation Guidelines for the Bently Nevada 21504-00-16-10-02

Proper installation of the Bently Nevada 21504-00-16-10-02 begins with ensuring the target surface is clean and smooth. For optimal performance, the probe tip should be positioned perpendicular to the shaft or target surface. First, mount the probe using the 3/8-24 threads into a suitable bracket or holder. Next, connect the miniature male coaxial connector to the extension cable or directly to the Proximitor sensor.

Additionally, you must verify the gap voltage during installation to confirm the probe is within its linear operating range. The calibrated range starts at approximately 10 mils (0.25 mm) from the probe face, so setting the initial gap between 30 and 50 mils is generally recommended for most applications. Finally, secure all connections and route cables away from high-voltage sources to prevent electrical interference.

Packaging and Delivery Information

Every 21504-00-16-10-02 unit ships in its original factory packaging to ensure maximum protection during transit. The package includes the proximity probe assembly with the miniature male coaxial connector pre-installed. Additionally, a mounting instruction sheet is provided for quick reference during installation.

For shipping, we exclusively use trusted global carriers such as FedEx, UPS, and DHL to guarantee fast and reliable delivery worldwide. Each order is dispatched within 24 hours of payment confirmation, and tracking information is provided promptly.

Frequently Asked Questions

1. What is the calibrated range of the Bently Nevada 21504-00-16-10-02?
This 21504-00-16-10-02 offers a calibrated range of 80 mils (2.0 mm), with measurement beginning at approximately 10 mils (0.25 mm) from the probe face. This range is ideal for shaft vibration and position monitoring in rotating machinery.

2. Can this 8 mm probe withstand exposure to chemicals?
Yes, the probe operation is not affected by direct contact with air, water, lube oil, ammonium hydroxide, 10% sulfuric acid, MEK, or DMF. Therefore, it is suitable for use in chemically aggressive environments.

3. What is the frequency response of the 21504-00-16-10-02?
The frequency response ranges from 0 to 10 kHz (0 to 600,000 cpm), with a -5% deviation at 10 kHz. This wide bandwidth makes it suitable for high-speed machinery monitoring.

4. What power supply is required for this proximity probe?
The Bently Nevada 21504-00-16-10-02 requires a DC input voltage between -17.5 Vdc and -26 Vdc, with a maximum current draw of 12 mA. It is compatible with most standard Proximitor power supplies.

5. How should I install the 21504-00-16-10-02 probe for best results?
Mount the probe using its 3/8-24 threads, position it perpendicular to the target surface, and set the initial gap between 30 and 50 mils. Always secure all connections and route cables away from interference sources.