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PRODUCT DESCRIPTION
Proximity signal conditioning sensor
Bently Nevada 330878-90-05 is a Proximitor Sensor. The sensor conditions the signal from a matched large-diameter proximity probe and extension cable. The complete sensing chain supports turbine expansion measurement by converting target distance into a voltage. Probe family and calibrated system length must agree before connection.
The selected system length is 9 m. Match the full ordering code, mounting arrangement and calibrated probe-system length with the installed equipment. Unresolved suffixes or factory modifications must be confirmed before substitution. Probe, cable and sensor temperature ratings are different.
The selected system length is 9 m. Match the full ordering code, mounting arrangement and calibrated probe-system length with the installed equipment. Unresolved suffixes or factory modifications must be confirmed before substitution. Probe, cable and sensor temperature ratings are different.
BEFORE YOU BUY
Confirm the complete installed configuration
ACTUAL APPLICATIONS
Applications for 3300 XL 50 mm transducer system
These applications describe manufacturer-documented family use. They do not establish that this exact ordering code was installed at a named customer site.
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01 · TURBINE EXPANSION
Same-side collar measurements
The manufacturer documents two transducers observing the same side of a turbine collar. The matched 3300 XL 50 mm transducer system chain measures collar movement relative to the casing within the specified system range. -
02 · COMPLEMENTARY INPUTS
Opposite-side collar measurements
Two transducers on opposite sides of the collar can extend the differential-expansion measurement range. The complete matching chain and the monitor input configuration must support the complementary arrangement. -
03 · ROTOR EXPANSION
Large turbine rotor movement
The manufacturer identifies rotor expansion of large steam turbine generators as a system application. Select the available target size and expected rotor axial movement before deciding the mounting method.
Technical specifications for 330878-90-05
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Product Model330878-90-05
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Product ParametersProximity signal conditioning sensor
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In stock3 units
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ManufacturerBently Nevada
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Calibrated system length9 m
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Mounting optionPanel mount
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Agency approval optionMultiple approvals option; verify delivered certificate
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Compatible probe input3300 XL 50 mm transducer system probe and extension cable
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Supply without barriers-17.5 to -26 Vdc
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Supply with barriers-23 to -26 Vdc
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Maximum current consumption12 mA
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Output resistance50 ohm
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Sensor housing materialA380 aluminum
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Operating temperature-51 to +100 deg C
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Storage temperature-51 to +105 deg C
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Field terminalsSpringLoc terminal strips
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Nominal system scale factor0.394 V/mm
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Default target calibrationAISI 4140 steel
View all additional
Alternative Names
330878-90-05 Proximitor Sensor
Bently Nevada 330878-90-05
330878 90 05 Proximitor 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
PROXIMITY SIGNAL CONDITIONING SENSOR
Integrating 330878-90-05
The sensor conditions the signal from a matched large-diameter proximity probe and extension cable. The complete sensing chain supports turbine expansion measurement by converting target distance into a voltage. Probe family and calibrated system length must agree before connection.
Use the matching 3300 XL 50 mm transducer system probe, extension cable and Proximitor Sensor. Their electrical lengths must form the selected five-metre or nine-metre system. A five-metre probe is designed for the five-metre Proximitor Sensor only.
Connect only the documented probe chain and supply, and observe the sensor temperature limit. A supply more positive than -23.5 Vdc can reduce linear range. Confirm the controlled barrier drawing and terminal assignments before commissioning.
Features:
- Match complete ordering options, sensing-chain configuration, mounting and target arrangement
- Follow the applicable installation instructions
- Confirm unverified configuration details
The 330878-90-05 Proximitor Sensor requires appropriate configuration before system integration and commissioning.
INTERCHANGEABILITY
Verify the complete replacement identity before commissioning
Replacement of 330878-90-05 requires comparing complete ordering options, sensing-chain configuration, mounting and target arrangement. A shared base family or similar appearance does not establish a drop-in replacement for the complete ordered assembly.
An upgrade from 7200 50 mm or 50 mm DE Integral systems requires replacement of the probe, extension cable and Proximitor Sensor with matching 3300 XL 50 mm transducer system components. The documented output scale permits an upgrade without monitor-configuration changes, but this is not a claim that an individual component is interchangeable.
No verified exact-order discontinuation date, product revision or designated successor is asserted. Document revisions identify the reference literature, not hardware changes to the supplied product. Unconfirmed replacement options must be resolved before substitution.
Features:
- Preserve the complete ordering identity
- Compare the installed electrical and mechanical interfaces
- Do not infer hardware revisions or successor models
The 330878-90-05 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: No verified product PDF is currently available on this page. Amikong-hosted reference documents will be listed only after their product identity and scope have been checked. Consult the applicable manufacturer instructions before use; 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 330878-90-05 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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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 size8.8x3.5x7cm
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Shipping weight0.2 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 reference9031809090
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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
Antistatic protection -
Tracking supplied
Established couriers -
Sandy Lin
Dedicated account manager · 15+ years
FREQUENTLY ASKED QUESTIONS
Questions buyers ask about 330878-90-05
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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What is 330878-90-05 used for?
The sensor conditions the signal from a matched large-diameter proximity probe and extension cable. The complete sensing chain supports turbine expansion measurement by converting target distance into a voltage. Probe family and calibrated system length must agree before connection. -
How should the complete ordering configuration be checked?
The selected system length is 9 m. Match the full ordering code, mounting arrangement and calibrated probe-system length with the installed equipment. Unresolved suffixes or factory modifications must be confirmed before substitution. Probe, cable and sensor temperature ratings are different. -
Which probe, cable and conditioner combinations are compatible?
Use the matching 3300 XL 50 mm transducer system probe, extension cable and Proximitor Sensor. Their electrical lengths must form the selected five-metre or nine-metre system. A five-metre probe is designed for the five-metre Proximitor Sensor only. -
What turbine measurement arrangements are documented?
The manufacturer documents two transducers observing the same side of a turbine collar. The matched 3300 XL 50 mm transducer system chain measures collar movement relative to the casing within the specified system range. -
Which installation checks are important?
Connect only the documented probe chain and supply, and observe the sensor temperature limit. A supply more positive than -23.5 Vdc can reduce linear range. Confirm the controlled barrier drawing and terminal assignments before commissioning. -
Can an older transducer system be upgraded one component at a time?
An upgrade from 7200 50 mm or 50 mm DE Integral systems requires replacement of the probe, extension cable and Proximitor Sensor with matching 3300 XL 50 mm transducer system components. The documented output scale permits an upgrade without monitor-configuration changes, but this is not a claim that an individual component is interchangeable. -
Does the +250 deg C probe allowance apply to the whole system?
No. It is a short-term probe allowance of less than 24 hours. Cable and Proximitor Sensor limits are separate, and the published accuracy limits depend on the temperatures of the individual sensing-chain components.
READY TO VERIFY YOUR PART?
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