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Technical specifications for 330851-02-000-040-10-00-05
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Manufacturer:Bently Nevada
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Product Category:Machinery Monitoring Systems
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Spare Part Number:330851-02-000-040-10-00-05
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Estimated shipping dimensions:23x23x4.5cm
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Weight:0.54 kg
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Tariff Code:8537101190
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Counliy of origin:USA
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Probe family:3300 XL 25 mm
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Case type:M30 x 2 threaded
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Unthreaded length:0 mm
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Case length:40 mm
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Total length:1.0 m
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Armor:No armor
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Approval option:Multiple approvals
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System linear range:12.7 mm / 500 mil, complete matched system
Information
Overview
Manuals
Common Applications
Product Precautions
Bently Nevada 330851-02-000-040-10-00-05 configures the extended-range 25 mm probe for differential-expansion service with an M30 x 2 case.
- Uses the M30 x 2 metric case type defined for the 25 mm probe family.
- Provides a 40 mm case with no unthreaded section.
- Carries a 1.0 m lead for the selected 25 mm system length.
- Uses no armor and the multiple-approval execution.
The 25 mm system is used for turbine differential-expansion measurements. Probe, extension cable, Proximitor sensor, target geometry and system length must remain matched.
Important Notice: Match the entire 330851-02-000-040-10-00-05 ordering string before installation. Perform a controlled movement check and record scale, direction, gap voltage and diagnostics.
Bently Nevada 330851-02-000-040-10-00-05 Manuals & Downloads
Bently Nevada 330851-02-000-040-10-00-05 Official Technical Reference Excerpt (PDF)Bently Nevada 330851-02-000-040-10-00-05 Installation & Commissioning Guide (PDF)
The first document covers the product function, system role and technical selection. The installation guide covers identification, connection checks, commissioning and the acceptance record.
Steam-turbine differential expansion
Measures rotor-to-casing growth on medium and large turbine generators.
Turbine supervisory instrumentation
Feeds a long-range displacement signal into the TSI monitoring channel.
Large-motion position sensing
Uses the 25 mm system range where shorter-range probes are insufficient.
Commissioning movement check
Supports controlled target or probe movement to prove scale, direction and channel response.
Before installing Bently Nevada 330851-02-000-040-10-00-05, confirm the documented system, interfaces and controlled configuration.
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Match the entire 330851-02-000-040-10-00-05 ordering string before installation.
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Use only a matched 3300 XL 25 mm probe, extension cable and Proximitor sensor.
3
Verify the M30 x 2 mounting thread and the selected case reach.
4
Protect the large sensing face from impact and keep the target path clear through the full movement range.
5
Maintain the documented total electrical length; do not shorten or splice the probe lead.
6
Route and support the cable so it cannot pull the probe out of alignment.
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Set the initial gap for the approved differential-expansion geometry.
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Perform a controlled movement check and record scale, direction, gap voltage and diagnostics.
Technical notes
Match the entire 330851-02-000-040-10-00-05 ordering string before installation. Perform a controlled movement check and record scale, direction, gap voltage and diagnostics.
FAQ View All FAQ
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What is the threaded case style of 330851-02-000-040-10-00-05?It is the M30 x 2 metric case execution.
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Why is the 040 segment important in 330851-02-000-040-10-00-05?It selects a 40 mm overall case length.
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Does 330851-02-000-040-10-00-05 have an unthreaded section?No. The 000 option specifies 0 mm.
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Read the 10 field of 330851-02-000-040-10-00-05: what probe length results?Option 10 specifies 1.0 m.
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Is lead armor included with 330851-02-000-040-10-00-05?No. Armor option 00 is unarmored.
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Which approval state belongs to the one-metre unarmored 25 mm probe 330851-02-000-040-10-00-05?Option 05 is the multiple-approval execution.
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Which turbine-supervisory measurement calls for 330851-02-000-040-10-00-05?It is used in matched 25 mm differential-expansion systems on turbine supervisory instrumentation.
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Which three execution changes separate 330851-02-000-040-10-00-05 from the long armored 25 mm probe?It has a 40 mm case, a 1.0 m lead and no armor; these selections change mounting and routing requirements.
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