The 21505-00-12-10-02 represents a reliable solution within Bently Nevada’s 7200 series. This proximity transducer system monitors shaft vibration and position in turbines, compressors, and pumps. It incorporates an 8-mm tip diameter and a stainless steel lead armor, delivering extra durability in rugged industrial settings. The calibrated range covers 80 mils, beginning at 10 mils from the probe face. With a scale factor of 200 mV/mil, this sensor provides accurate, high-resolution data for predictive maintenance programs. The unit includes a miniature male coaxial connector (Option 02) for secure and noise-resistant signal transmission. Furthermore, the overall case length measures 120 mm, while the total cable length reaches 1.0 meter. This model excels in continuous condition monitoring where both precision and mechanical protection are essential.
The Bently Nevada 21505-00-12-10-02 accepts a DC input spanning -17.5 V to -26 V, with a maximum current draw of 12 mA. Its output scale factor is 200 mV/mil (±4% when system-calibrated), and linearity remains within 0.8 mils under system calibration. Frequency response ranges from 0 to 10 kHz, with only a -5% deviation at 10 kHz. Temperature sensitivity typically changes by -3% at +150°F (+65°C) and a 50-mil gap. The unthreaded length is 0 mm, and the overall case length is 120 mm. This model features a miniature male coaxial connector, simplifying integration with existing Bently Nevada monitoring systems. The probe diameter is 8 mm, and the standard case construction ensures long-term reliability. Additionally, the stainless steel lead armor protects against abrasion and mechanical stress.
This Bently Nevada probe endures severe operating conditions. The Proximitor functions between -60°F and +212°F, while the probe and cable handle -30°F to +350°F. Relative humidity up to 95% non-condensing is permissible. Moreover, the 8-mm probe resists corrosion from air, water, lube oil, ammonium hydroxide, 10% sulfuric acid, MEK, and DMF. The total system weight is 1.3 lbs (0.59 kg). These characteristics make the 21505-00-12-10-02 ideal for steam turbines, centrifugal compressors, cooling tower fans, and other high-vibration environments.
Mount the 21505-00-12-10-02 using the 3/8-24 thread, ensuring the air gap falls within the 10-to-90 mil range for optimum linearity. First, clean the mounting surface and bracket thoroughly to eliminate debris. Next, attach the miniature coaxial connector to the extension cable, then tighten it securely. After that, route the armored lead along protected pathways, using clamps to prevent strain or movement. For the highest accuracy, calibrate the entire system—probe, cable, and Proximitor—as a single unit. Finally, connect the power supply to a stable -24 Vdc source, respecting the 12 mA maximum. Keep the cable away from high-voltage lines to minimize electrical noise.
Your order for the 21505-00-12-10-02 includes one Proximity Probe with armored lead, one Proximitor, and one extension cable with coaxial connectors. The package also contains mounting hardware and installation instructions. Every component arrives in factory-sealed anti-static packaging. We ship via FedEx, UPS, or DHL with full tracking and insurance coverage. Delivery typically takes 3–5 business days, depending on your location.
Q1: What is the calibrated range of the 21505-00-12-10-02?
A1: The calibrated range is 80 mils (2.0 mm), beginning at 10 mils from the probe face.
Q2: Does this probe include a connector?
A2: Yes, it comes with a miniature male coaxial connector (Option 02) for easy system integration.
Q3: Why does this model have lead armor?
A3: The stainless steel armor protects the cable from mechanical damage, abrasion, and harsh environmental conditions.
Q4: Can I operate this probe with a -24 Vdc power supply?
A4: Yes, the input range is -17.5 Vdc to -26 Vdc, making -24 Vdc fully compatible.
Q5: Is the 21505-00-12-10-02 interchangeable with other 8mm probes?
A5: Yes, but interchangeability may widen linearity to ±2.3 mils. For best results, calibrate the complete system together.
| Brand Name | |
| Model No. | 21505-00-12-10-02 |
| Product Type | Probe Proximity Vibration |
| hasMerchantReturnPolicy | Adjust according to reality |
| Shippingdetails | Adjust according to reality |
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