Bently Nevada 21504-00-12-10-02/21504-00-52-10-02 7200 8mm Standard Mount Probe

The Bently Nevada 21504-00-12-10-02/21504-00-52-10-02 are 8mm standard-mount eddy-current proximity probes in the 7200 series, specifically designed to monitor shaft vibration, displacement, and key phase condition in rotating machinery. They are core components for predictive maintenance of industrial equipment.
Both models share core performance, differing only in cable adaption and installation details. Both accurately capture micron-level vibration and displacement changes without contacting the shaft under test. The probe housing is constructed of 316 stainless steel, resistant to oil and vibration, and provides reliable signal output even under the harsh high-temperature, high-speed operating conditions of turbines and compressors. When used in conjunction with a 7200 series proximitor, monitoring data can be transmitted to the control system in real time, helping operations and maintenance personnel proactively identify potential problems such as shaft imbalance and bearing wear, preventing significant problems from occurring while the equipment is operating.

Manufacturer: Bently Nevada
Product Numbers: 21504-00-12-10-02/21504-00-52-10-02
Product Type: 7200 8mm Standard Mount Probe
Country of Origin: USA
Place of shipment: Xiamen, China
Output:
Range: 80 mils (2.0 mm). Starts at 10 mils (0.25 mm) from probe face for accurate detection.
Scale: 200 mV/mil (7.87 V/mm), ±4%. ±9.5% with errors.
Linearity: Within 0.8 mils (0.02 mm) of a straight line. Max 2.3 mils (0.06 mm) with errors.
Frequency: 0 to 10 kHz (0 to 600,000 cpm); -5% at 10 kHz
Temperature Sensitivity: -396 at +150°F (+65°C) at 50 mils gap (1.27 mm)
Configuration Details:
21504: Base model for 7200 Proximity Transducer Systems.
00: No unthreaded part (0 mm).
12: Case length (120 mm). / 52: Case length (520 mm).
10: Total length (1.0 metre, with +0.25m/-0.10m tolerance).
02: Small male coaxial connector.

• Power Industry: Monitoring shaft vibration and displacement for steam turbines and generators in thermal power plants, and hydro-turbine generators in hydropower plants, prevents unit failures caused by rotor imbalance and static-dynamic friction, and ensures stable power generation.
• Petrochemical Industry: Monitoring shaft operating conditions in centrifugal compressors and oil pumps in catalytic cracking units in real time prevents equipment seizure and leakage caused by bearing wear or shaft misalignment.
• Metallurgical Industry: Monitoring radial shaft vibration in steel mills and fans under high-load, high-vibration conditions ensures rolling accuracy and reduces production downtime due to equipment failure.
• Shipping Industry: Monitoring shaft displacement and speed for main engines and propulsion shafts in ocean-going cargo vessels, even in rough sea conditions, ensures normal operation of the ship's power system.
• New Energy Industry: Monitoring shaft vibration in wind turbine main shafts and gearboxes in wind farms allows for early detection of gear wear or bearing fatigue, reducing wind farm operation and maintenance costs and downtime.

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	Vicky		+86 180 3017 5807
	sales7@apterpower.com		Siming District, Xiamen City, Fujian Province

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