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PRODUCT DESCRIPTION
25 mm Proximitor Sensor
Bently Nevada 330850-90-00 is a panel-mounted Proximitor Sensor for the 3300 XL 25 mm transducer system. Its ordering code specifies a 9.0 m system length and the No Approvals option. It works with a matching probe and extension cable for differential-expansion measurements.
In steam-turbine monitoring, the sensor conditions the probe signal for the connected measurement channel. Select the complete electrical length, target arrangement and supply together. Upgrading the documented legacy systems requires replacing the probe, extension cable and sensor as a complete 3300 XL 25 mm chain.
In steam-turbine monitoring, the sensor conditions the probe signal for the connected measurement channel. Select the complete electrical length, target arrangement and supply together. Upgrading the documented legacy systems requires replacing the probe, extension cable and sensor as a complete 3300 XL 25 mm chain.
BEFORE YOU BUY
Confirm the complete installed configuration
ACTUAL APPLICATIONS
Where 330850-90-00 Fits Across Industrial Application Areas
Industrial uses span production and utility equipment, subject to verified product compatibility, installation requirements and operating conditions.
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01 · WATER & WASTEWATER
Municipal Wastewater Collection and Treatment
Sewage lift pumps serving municipal wastewater collection and treatment.Aeration blowers and sludge equipment in wastewater treatment plants. -
02 · POWER GENERATION
Electricity Generation and Power Plant Utilities
Gas and steam turbine generators in thermal power plants.Hydroelectric turbines and generators in conventional hydropower generating stations. -
03 · OIL & GAS
Oil Production, Gas Processing and Petroleum Refining
Turbines and compressors serving liquefied natural gas production facilities.Refinery compressors and process pumps serving downstream petroleum production.
Technical specifications for 330850-90-00
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Product Model330850-90-00
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Product Parameters25 mm Proximitor Sensor
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In stock7 units
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ManufacturerBently Nevada
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System length9.0 m (29.5 ft), option 90
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Mounting configurationPanel mount, option 90
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Approval ordering option00: No Approvals; no hazardous-area suitability inferred
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Measurement inputOne 3300 XL 25 mm probe with matching extension cable
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Power supply-17.5 to -26 VDC without barriers; linear range may reduce above -23.5 V
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Maximum current consumption12 mA
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Nominal scale factor0.787 V/mm (20 mV/mil)
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System linear range12.7 mm (500 mils), under manufacturer reference conditions
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Standard calibration targetBently Nevada AISI 4140 steel; other materials require calibration review
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Sensor operating temperature-51 to +100 degrees C
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Sensor storage temperature-51 to +105 degrees C
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Field conductor size0.2-1.5 mm2; 0.25-0.75 mm2 with ferrules
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Maximum field wiring length305 m between sensor and monitor; high-frequency response depends on length
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Terminal connectionSpringLoc terminal strips
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Supply sensitivityLess than 2 mV output change per volt of supply change
View all additional
Alternative Names
330850 90 00
330850-90-00 Proximitor Sensor
3300 XL 25 mm panel-mount sensor
SYSTEM & REPLACEMENT CHECK
Information needed before ordering
Three direct checks to secure your system integration and minimize ordering risks.
Information
System integration
Replacement check
Manuals & support
25 MM PROXIMITOR SENSOR
Build a matched 25 mm measurement chain
Bently Nevada 330850-90-00 is a panel-mounted Proximitor Sensor for the 3300 XL 25 mm transducer system. Its ordering code specifies a 9.0 m system length and the No Approvals option. It works with a matching probe and extension cable for differential-expansion measurements.
The probe and extension cable lengths must add up to 9.0 m for this sensor. Use the 3300 XL 25 mm components and the documented target calibration; shared brand names or similar connectors do not establish compatibility with NSv or 8 mm systems.
Use the stated negative DC supply, supported conductor sizes and shielded field wiring. Verify the installed channel by simulating collar movement as described in the manufacturer documentation. This sensor is not a standalone differential-expansion monitoring system.
Features:
- Match a 9.0 m probe-plus-cable chain
- Use the panel-mount installation drawing
- Verify target calibration and complete channel
The 330850-90-00 Proximitor Sensor requires appropriate configuration before system integration and commissioning.
INTERCHANGEABILITY
Verify the complete replacement identity before commissioning
Preserve the full 330850-90-00 identity when selecting a replacement. The 90 option combines 9.0 m system length with panel mounting, while 00 identifies No Approvals. Another mounting or approval option is not the same order.
The manufacturer describes upgrading standard 7200 25 mm, 7200 35 mm and 25 mm DE Integral systems using 3300 XL 25 mm components. The probe, extension cable and Proximitor Sensor must all be replaced; this is not authorization for a sensor-only mixed-system substitution.
The reviewed datasheet does not establish an exact-order discontinuation date, hardware revision or designated successor for 330850-90-00. Verify any proposed revision or replacement against current controlled manufacturer documentation before procurement.
Features:
- Check complete order and mounting option
- Replace the full chain for the documented legacy upgrade
- Do not infer a successor or discontinuation date
The 330850-90-00 Proximitor Sensor requires replacement verification against the complete installed configuration and current manufacturer documentation.
DOCUMENTATION STATUS
Browse the Manuals, Datasheets, Official Documents, Links
Important Notice: The linked files are Amikong-hosted reference documents. Match their product identity and scope to the supplied assembly, and consult the applicable manufacturer instructions before use. Accessories and additional documents are included only when expressly listed in the quotation.Features:
- Verify document identity before procurement or installation
- Match the complete order to the manufacturer document scope
- Accessories are supplied only when listed in the quotation
Documentation for the 330850-90-00 Proximitor Sensor must be checked for document applicability before installation or commissioning.
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Important notice
Manuals, software, firmware, cables, calibration data and accessories are included only when listed in the quotation. AMIKON is an independent supplier and is not affiliated with or authorised by the manufacturer.
This content has been produced using multiple sources. Takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
BUYER INFORMATION
Commercial terms without hidden steps
Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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01
Shipping & delivery
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DispatchEligible stock: same / next day
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CarriersDHL, FedEx or UPS
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Ship fromXiamen, China
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Packed size8 x 6.2 x 6.5 cm
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Shipping weight0.22 kg
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Payment & customs
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PaymentBank transfer (T/T)
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CurrenciesUSD · EUR · GBP · RMB
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Credit cardsNot accepted
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HS reference8537101190
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OriginUSA
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Warranty & returns
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Warranty12 months from AMIKON
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InspectionLabel, condition and packing checks
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ReturnsPrior RMA authorisation required
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CompatibilityConfirm before order
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OEM warrantyDoes not apply
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Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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Part checked
Full suffix recorded -
Condition checked
Label and appearance -
Packing checked
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Tracking supplied
Established couriers -
Sandy Lin
Dedicated account manager · 15+ years
FREQUENTLY ASKED QUESTIONS
Questions buyers ask about 330850-90-00
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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What do the 90 and 00 options mean on 330850-90-00?
In the 330850 ordering table, 90 specifies a 9.0 m system with panel mounting. The final 00 specifies No Approvals. Do not substitute a DIN-mount or different electrical-length sensor without reviewing the complete configuration. -
Which probe and extension cable match this sensor?
Use the documented 3300 XL 25 mm probe and extension cable combination. Probe length plus extension-cable length must equal the 9.0 m system length. The 3300 XL 8 mm and NSv families are not the specified matching chain. -
What power supply is required?
The datasheet specifies -17.5 to -26 VDC without barriers and 12 mA maximum consumption. Operation more positive than -23.5 VDC can reduce the linear range. Check the complete circuit rather than applying a nominal positive 24 V supply. -
Can this sensor alone replace a legacy 7200 differential-expansion system?
No. The official system-compatibility section requires replacing the probe, extension cable and Proximitor Sensor together with 3300 XL 25 mm components when upgrading the stated legacy systems. Similar output does not authorize mixing old and new components. -
How far may the sensor be wired from the monitor?
The stated maximum field-wiring length is 305 m. Use the recommended shielded three-conductor triad and review the frequency-response graph because longer wiring can reduce high-frequency performance. -
Is 330850-90-00 approved for hazardous locations?
The exact order ends in 00, identified as No Approvals in the ordering table. Family-level certification logos do not establish hazardous-area approval for this order. Use actual unit markings and applicable controlled documentation. -
Can the calibration be used with any target material?
The standard factory calibration is for AISI 4140 steel. The manufacturer offers calibration for other target materials on request. Published system accuracy and interchangeability must not be assumed for a different target material without review.
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