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{"title":"Bently Nevada 330851-04-000-023-10-01-05 3300 XL 25mm Proximity Probe","imgUrl":"https:\/\/img.chinax.com\/nimg\/d4\/3a\/d0e55f8e58bc19766d639b9d0c89-200x200-1\/bently_nevada_330851_04_000_023_10_01_05_3300_xl_25mm_proximity_probe.jpg","attrs":{"Brand Name":"Bently Nevada","Model Number":"330851-04-000-023-10-01-05","Place of Origin":"USA","Minimum Order Quantity":"1"}}
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{"title":"Bently Nevada 16710-12 Interconnect Cable 600 V RMS 12 ft (3.6 m)","imgUrl":"https:\/\/img.chinax.com\/nimg\/33\/26\/eb215e2f525e751bb6cd2de9de0c-200x200-1\/bently_nevada_16710_12_interconnect_cable_600_v_rms_12_ft_283_6_m_29.jpg","attrs":{"Brand Name":"Bently Nevada","Model Number":"16710-12","Place of Origin":"USA","Minimum Order Quantity":"1"}}
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Differential Expansion (DE) Monitoring: Primary application for measuring relative power-train growth between steam turbine rotor and casing, essential for tracking axial thermal expansion during startup, steady-state operation, and shutdown to prevent rotor-to-stator contact.
Large Steam Turbine Generators (LTG): Designed for large-scale power plant environments requiring long-range displacement measurements (up to 12.7 mm / 500 mils) beyond standard 8 mm or 11 mm probes.
Ramp Differential Expansion: Ideal for monitoring "Ramp" or "Complementary" DE configurations where the probe observes a tapered surface on the shaft to determine axial position through radial measurement.
Critical Asset Protection: Provides high-precision displacement data to Bently Nevada 3500/45 Position Monitor, supporting API 670 compliant machinery protection and Emergency Shutdown Systems (ESD).
Hazardous Area Operations: Certified for use in explosive atmospheres (ATEX, IECEx, CSA), making it suitable for oil & gas, petrochemical, and power generation facilities.
Restricted Space Installations: Side Exit smooth case design applied in bearing housings or machine casings where vertical overhead clearance is limited, allowing for low-profile cable route.
Key Features
Extended Linear Range: Wide linear measurement range of 12.7 mm (500 mils) for superior performance in long-range displacement applications.
Side-Exit Smooth Case Design (-04): 1.06-inch diameter smooth stainless steel case with side-exit cable configuration for installations with restricted overhead clearance.
High-Precision Sensitivity: Calibrated to Average Scale Factor (ASF) of 0.787 V/mm (20 mV/mil) for accurate and repeatable data in critical machinery protection systems.
FluidLoc® Cable Technology: Engineered with FluidLoc® technology to prevent oil or process fluids from wicking through cable to Proximitor® sensor.
FEP-Coated Stainless Steel Armor (-05): Rugged stainless steel armor with FEP outer coating for exceptional resistance to chemical corrosion, moisture ingress, and mechanical abrasion.
Extreme Temperature Resilience: Polyphenylene Sulfide (PPS) probe tip and AISI 304 stainless steel case allow continuous operation from -35 °C to +200 °C (-31 °F to +392 °F).
Complete System Interchangeability: Fully compatible with 3300 XL 25 mm Proximitor® Sensor and extension cables for easy component replacement without individual calibration.
Frequently Asked Questions
Q1: What is the 330851-04-000-023-10-01-05 mainly used for?
A: In most cases, people use the 330851-04-000-023-10-01-05 on steam turbine monitoring systems, especially on larger turbine generator units. It’s part of the Bently Nevada 3300 XL 25 mm Probe family and is commonly selected for differential expansion (DE) measurement. During turbine operation, the rotor and casing expand differently because of heat, so this kind of 25mm proximity sensor helps track that axial movement before it becomes a problem. The wider 500 mil measuring range is one reason it gets used a lot on heavy rotating equipment.
Q2: What do “-04” and “-000” for the 330851-04-000-023-10-01-05 actually refer to?
A: The “-04” section is related to the probe body style. This version comes with a smooth case design and a side-exit cable, which is usually easier to install where spacing around the housing is limited. You’ll see this kind of setup quite often on older turbine assemblies too. As for “-000”, there’s really not much mystery there — it simply means no unthreaded length is included on the probe.
Q3: Is the 330851-04-000-023-10-01-05 okay for high temperature areas?
A: Yes, that’s actually one of the reasons many plants still use it. The probe tip uses PPS material and the outer housing is AISI 304 stainless steel, so normal turbine heat is generally not an issue. Temperature range goes from around -35 °C up to +200 °C. On some sites there’s also oil vapor, vibration, or chemical exposure near the machine, so the -05 armored cable option helps protect the sensor cable a bit better over time. Not every installation needs that option, but in power plant instrumentation it’s pretty common.
Q4: What kind of signal output does the 330851-04-000-023-10-01-05 have?
A: When paired with a matching 3300 XL Proximitor® Sensor, the output sensitivity is about 0.787 V/mm, or 20 mV/mil. Total linear range is 12.7 mm, which equals 500 mils. The probe starts measuring from roughly 0.63 mm away from the target surface. For non-contact displacement monitoring and shaft position monitoring, that range is usually enough for large steam turbine applications.
Q5: Does the 330851-04-000-023-10-01-05have hazardous area approvals?
A: It does. The -01 option means the sensor comes with multiple approvals, including ATEX, IECEx, and CSA certifications. So if the equipment is installed in hazardous industrial environments, normally there’s no issue meeting common site requirements for intrinsically safe or non-incendive systems. A lot of API 670 compliant sensor setups use this configuration.
Q6: How does the 330851-04-000-023-10-01-05 prevent oil leakage through the cable?How does the 330851-04-000-023-10-01-05 stop oil from leaking through?
A: Bently Nevada uses something called FluidLoc® technology on this cable design. Basically, the inside of the cable is sealed in a way that stops oil or process fluid from traveling through the cable itself. On turbine systems, especially around lubrication oil areas, that matters more than people think because fluid migration can eventually affect the rest of the 3300 XL transducer system or the monitoring side electronics.
Compatible Products
330102-22-58-10-02-00
330180-X1-05 MOD:145004-02
330910-03-09-05-02-05
133323-01
330709-000-070-10-02-00
330905-00-08-10-02-00
3500/61 163179-02
990-04-50-01-00
1900/65A 172323-01/1900/65A 167699-02
330101-XX-XX-10-02-05 MOD:147773-00-12
3500/15 106M1079-01
330104-00-04-10-02-00
3500/65 145988-02
330104-00-06-10-02-00
3500/92 136180-01
330851-04-000-023-10-01-05
330910-05-10-02-00
330104-00-10-10-02-05
330101-00-16-10-02-00
330910-00-05-10-02-00
3300/12
330850-50-05
TK3-2E 14700-02A
330730-080-00-00
3500/42M 140734-02
330930-040-01-00
3500/92
990-08-XX-01-00
330103-00-05-10-02-00
330130-040-03-00
330703-000-060-10-02-00
3300/16-02-01-00-00-00-01
330851-06-000-070-50-00-05
330101-00-08-10-02-00
990-05-XX-01-00
RS900106-05-30-05-02-00
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Trading Company
Year Established:
2004
Total Annual:
85682000-125000000
Employee Number:
70~80
Ecer Certification：
Verified Supplier
Company Profile
Amikon Limited specializes in the global supply of industrial automation module spare parts.The company focuses on well-known international brands covering DCS systems, robot control systems, and large-scale servo control systems.
Product scope includes:
➢Distributed Control Syste... Company Profile
Amikon Limited specializes in the global supply of industrial automation module spare parts.The company focuses on well-known international brands covering DCS systems, robot control systems, and large-scale servo control systems.
Product scope includes:
➢Distributed Control Syste...
