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PRODUCT DESCRIPTION
Shaft eccentricity monitoring module
Bently Nevada 3300/40 is a shaft eccentricity monitor. The monitor measures shaft bow during slow rotation and presents direct and peak-to-peak eccentricity. Separate gap and Keyphasor threshold information helps assess the input signals. The measurement is intended to distinguish rotor bow associated with mechanical shape, thermal conditions or gravity effects.
This base designation identifies the eccentricity monitor family without selecting a full-scale range, transducer input, relay or approval option. Those choices must be established from the complete installed order. Field settings also require inspection before replacement or use of a spare module.
This base designation identifies the eccentricity monitor family without selecting a full-scale range, transducer input, relay or approval option. Those choices must be established from the complete installed order. Field settings also require inspection before replacement or use of a spare module.
BEFORE YOU BUY
Confirm the complete installed configuration
ACTUAL APPLICATIONS
Where 3300/40 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 · MINING & MINERALS
Mining Operations and Mineral Processing
Ore crushers and grinding mills at mineral processing plants.Process pumps and conveyors serving mineral processing plant operations. -
02 · METALS & MINING
Steel Production and Metallurgical Plant Utility Equipment
Rolling mills and extraction fans in steel production plants.Coke oven compressors and combustion blowers serving steel plants. -
03 · PULP & PAPER
Pulp Manufacturing and Paper Production
Pulp refiners and process pumps in integrated pulp mills.Paper machine press rolls and winders in papermaking facilities.
Technical specifications for 3300/40
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Product Model3300/40
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Spare Model3300/40-02-01-01-00-00
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Product ParametersShaft eccentricity monitoring module
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In stock9 units
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ManufacturerBently Nevada
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Measured input arrangementOne eccentricity signal and one Keyphasor input
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Eccentricity input impedance10 kohm
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Keyphasor input impedance90 kohm
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Nominal power consumption1.5 W
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Minimum Keyphasor duty cycle5%
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Manual-threshold frequency range0.017 to 10 Hz
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Automatic-threshold frequency range1.69 to 10 Hz
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Signal-conditioning accuracy at 25 deg CTypical +/-0.33% full scale; maximum +/-1%
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Recorder output formats4-20 mA, 0 to -10 Vdc, or +1 to +5 Vdc
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Current recorder load0 to 600 ohm
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Display arrangementIndividual 63-segment direct and peak-to-peak bargraphs
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Operating temperature0 to +65 deg C
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Storage temperature-40 to +85 deg C
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Measurement indicationsInstantaneous direct and peak-to-peak eccentricity
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Buffered signal accessFront coaxial eccentricity and Keyphasor connectors, short-circuit protected
View all additional
Alternative Names
3300/40
3300/40 shaft eccentricity monitor
Bently Nevada 3300/40
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
SHAFT ECCENTRICITY MONITORING MODULE
Integrating 3300/40
The monitor measures shaft bow during slow rotation and presents direct and peak-to-peak eccentricity. Separate gap and Keyphasor threshold information helps assess the input signals. The measurement is intended to distinguish rotor bow associated with mechanical shape, thermal conditions or gravity effects.
The manufacturer lists different Proximitor input options; match the selected sensitivity rather than assuming every sensor is interchangeable. The eccentricity and Keyphasor inputs serve different functions. Select the 3300 rack and matching rear relay module before configuration.
Install in one 3300 rack position other than positions 1 and 2. Follow the original field-wiring diagram for separate eccentricity and Keyphasor inputs, recorder circuits and grounding. Check range, threshold and relay jumpers; do not assume the factory configuration is still installed.
Features:
- Match complete order, installed input and output configuration, wiring and installation instructions
- Follow the applicable installation instructions
- Confirm unverified configuration details
The 3300/40 shaft eccentricity monitor requires appropriate configuration before system integration and commissioning.
INTERCHANGEABILITY
Verify the complete replacement identity before commissioning
Replacement of 3300/40 requires comparing complete order, installed input and output configuration, wiring and installation instructions. A shared base family or similar appearance does not establish a drop-in replacement for the complete ordered assembly.
The manufacturer lists different Proximitor input options; match the selected sensitivity rather than assuming every sensor is interchangeable. The eccentricity and Keyphasor inputs serve different functions. Select the 3300 rack and matching rear relay module before configuration.
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 3300/40 shaft eccentricity monitor 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 3300/40 shaft eccentricity monitor 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 size5x32x20.5cm
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Shipping weight1.14 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 3300/40
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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How is 3300/40 identified?
This base designation identifies the eccentricity monitor family without selecting a full-scale range, transducer input, relay or approval option. Those choices must be established from the complete installed order. Field settings also require inspection before replacement or use of a spare module. -
What is the function of this component?
The monitor measures shaft bow during slow rotation and presents direct and peak-to-peak eccentricity. Separate gap and Keyphasor threshold information helps assess the input signals. The measurement is intended to distinguish rotor bow associated with mechanical shape, thermal conditions or gravity effects. -
Which equipment and settings must match?
The manufacturer lists different Proximitor input options; match the selected sensitivity rather than assuming every sensor is interchangeable. The eccentricity and Keyphasor inputs serve different functions. Select the 3300 rack and matching rear relay module before configuration. -
What application does it support?
The manufacturer identifies temporary thermal bow as an eccentricity source. Slow-roll monitoring provides direct and peak-to-peak indications for assessing the rotor before its condition is interpreted with the rest of the machinery measurements. -
What should be checked during installation?
Install in one 3300 rack position other than positions 1 and 2. Follow the original field-wiring diagram for separate eccentricity and Keyphasor inputs, recorder circuits and grounding. Check range, threshold and relay jumpers; do not assume the factory configuration is still installed. -
Why do manual and automatic Keyphasor thresholds have different speed limits?
The data sheet specifies 0.017-10 Hz for manual threshold and 1.69-10 Hz for automatic threshold. Very slow rotation therefore requires the appropriate threshold configuration; the two limits must not be treated as interchangeable. -
Can the direct full-scale range be smaller than the peak-to-peak range?
No. The ordering note permits independent field programming but requires the direct channel full-scale range to be at least the peak-to-peak range. Check both settings rather than changing only the displayed peak-to-peak scale. -
What does a flashing OK indicator mean?
The manufacturer distinguishes a 1 Hz flash, indicating a previously NotOK transducer that has recovered, from a 5 Hz flash indicating stored error codes. Check the displayed code and the applicable maintenance procedure before assuming the channel is healthy.
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