Product Name: 8 mm Mount Probe
Brand Name: BENTLY NEVADA
Model Number:21504-00-08-10-02
Country of Origin:USA
Warranty: 12 Months
Whatsapp：+86 18159889985
Email：[email protected]
Brand Name: |
BENTLY NEVADA |
Model Number: |
21504-00-08-10-02 |
Country of Origin: |
USA |
Packaging Details: |
Original new Factory Sealed |
Delivery Time: |
Delivery time in stock |
Payment Terms: |
T/T |
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Sales Manager: |
Stella |
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Send an email: |
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Contact in Whatsapp: |
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Specification |
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Part Number |
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Manufacturer |
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Probe Diameter |
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Thread Size |
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Unthreaded Length |
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Overall Case Length |
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Cable Length |
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Connector Type |
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Input Power |
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Calibrated Range |
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Scale Factor |
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Frequency Response |
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Probe Operating Temp |
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Proximitor Operating Temp |
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Relative Humidity |
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Corrosion Resistance |
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System Weight |
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Lead Armor |
None (standard unarmored cable) |
The 21504-00-08-10-02 is an 8 mm standard‑mount proximity probe from the Bently Nevada 7200 Series, designed for non‑contacting displacement measurement in rotating machinery . This 21504-00-08-10-02 probe operates on the eddy current principle, providing static and dynamic gap-to-voltage measurements for shaft position and vibration monitoring . The 21504-00-08-10-02 features a 3/8‑24 UNF thread, 1.0 metre integral cable with miniature coaxial connector, and 80 mils (2.0 mm) linear range
Radial vibration measurement for bearing condition and rotor imbalance detection
Axial thrust position monitoring to detect thrust bearing wear
Shaft average radial position measurement for rotor stability analysis
Vibration amplitude and phase angle data for diagnostic plotting
Eccentricity measurement to detect rotor bow
Direct Drop‑In Replacement: Seamless mechanical and electrical fit for legacy 21500 series probes with identical M10×1 thread and 7.87 V/mm scale factor
High Durability: 8 mm PPS construction withstands harsh, wet, and chemical environments
Accurate Measurements: 200 mV/mil scale factor with ±4% system accuracy
Broad Compatibility: Fully compatible with 3300, 3500, and 9000 Monitoring Systems and 7200 Proximitor drivers
API 670 Compliance: Meets API 670 requirements for machinery protection
Mounting: Thread the probe into the mounting hole using the 3/8‑24 UNF thread . Secure with jam nut after gapping, taking care not to overtighten .
Gapping: For radial vibration probes, gap electrically by connecting to the Proximitor and monitoring output voltage while threading the probe. Output voltage changes as the probe approaches the target . For axial position probes, set gap when the machine is not running and the rotor is at a known position .
Cable Routing: Securely fasten the probe cable to prevent fatigue failure from oil flow, air movement, or stress. Use clips without excessive force to avoid FEP insulation cold flow .
Extension Cable: The probe's 1.0 metre integral cable must combine with an extension cable to achieve a total system length of 5 or 9 metres . Ensure extension cable impedance matches the probe's profile .
Proximitor Connection: Connect the miniature male coaxial connector to the Proximitor. The Proximitor can be located up to 305 metres (1,000 feet) from the monitor without signal degradation .
Sealing: If sealing around the cable is required for pressure differentials above one atmosphere, use a special probe designed for this purpose .
Q1: What is the part number breakdown for the 21504-00-08-10-02?
A1: 21504 = 8 mm standard mount probe; 00 = 0.0 inch unthreaded length; 08 = 0.8 inch overall case length; 10 = 1.0 metre cable; 02 = miniature male coaxial connector .
Q2: What is the measurement range of the 21504-00-08-10-02?
A2: It has a calibrated linear range of 80 mils (2.0 mm), beginning approximately 10 mils (0.25 mm) from the probe face .
Q3: What is the operating temperature range for the 21504-00-08-10-02 probe?
A3: The probe operates from -34°C to +177°C (-30°F to +350°F), while the Proximitor operates from -51°C to +100°C (-60°F to +212°F) .
Q4: What power supply does the 21504-00-08-10-02 require?
A4: It requires a DC input voltage of -17.5 Vdc to -26 Vdc with a maximum current consumption of 12 mA .
Q5: Is the 21504-00-08-10-02 a direct replacement for legacy 21500 series probes?
A5: Yes, the 21504-00-08-10-02 is a direct drop‑in replacement for legacy 21500 series probes, maintaining the same thread geometry and signal characteristics (7.87 V/mm scale factor) .
Inquiry Now :[email protected]
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