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PRODUCT DESCRIPTION
High-temperature Seismoprobe moving-coil velocity transducer with 0-degree orientation
Bently Nevada 74712-01-11-02-00 measures absolute vibration velocity using a self-powered moving-coil element. This high-temperature Seismoprobe configuration is calibrated for a 0-degree mounting orientation within +/-2.5 degrees, making the selected orientation an essential part of the installation rather than a freely interchangeable option.
An isolated circular M10x1 base and top-mounted connector provide the ordered mechanical interfaces. The sensor operates from -29 to +204 C and is supplied without agency approvals. Select a suitable cable and instrument input, then verify mounting, output polarity and vibration transmission at the measurement location.
An isolated circular M10x1 base and top-mounted connector provide the ordered mechanical interfaces. The sensor operates from -29 to +204 C and is supplied without agency approvals. Select a suitable cable and instrument input, then verify mounting, output polarity and vibration transmission at the measurement location.
BEFORE YOU BUY
Confirm the complete installed configuration
ACTUAL APPLICATIONS
Application context for 74712-01-11-02-00
These uses are supported by the applicable manufacturer documentation. Series-level guidance does not prove that this complete order was installed in a particular customer project.
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01 · Machine diagnostics
Periodic casing-velocity measurements with diagnostic equipment
The self-powered transducer supplies a velocity voltage for compatible diagnostic inputs. Before taking readings, verify the 0-degree calibration orientation, instrument loading and suitable coupling to the machine casing. -
02 · Bearing supports
Bearing-housing vibration channels at elevated temperature
The high-temperature 74712 element measures absolute motion at a bearing-support location. The measurement is useful only when the mounting point transmits representative machine vibration and remains within the sensor and cable limits. -
03 · Structural monitoring
Velocity measurements on vibration-transmitting structures
A properly installed Seismoprobe measures movement of its supporting structure rather than a shaft-to-probe gap. Match the 4.5 Hz lower frequency limit and selected orientation to the intended measurement.
Technical specifications for 74712-01-11-02-00
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Product Model74712-01-11-02-00
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Product ParametersSelf-powered high-temperature velocity transducer
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In stock1 unit
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ManufacturerBently Nevada
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Measurement principleTwo-wire moving-coil velocity transducer; self-powered
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Calibration orientation0 degrees +/-2.5 degrees, option 01
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Operating frequency band4.5 to 1000 Hz, +0/-3 dB typical
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Signal connectionTop-mounted connector, option 02
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Base configurationIsolated circular M10x1, option 11
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Agency approval selectionNo approvals, option 00
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Nominal sensitivity20 mV/(mm/s), +/-5% with specified orientation and loading
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Calibration input load10 kilohms across A and B
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Internal coil resistance1.25 kilohms +/-5%
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Locked coil inductance125 mH typical
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Dynamic displacement limit2.54 mm peak-to-peak maximum
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Operating and storage range-29 to +204 C
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Humidity limit95% relative humidity, noncondensing
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Base tightening torque5.6 N m for M10x1 mounting
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Output polarityA positive relative to B when case velocity is toward the connector
View all additional
Alternative Names
74712-01-11-02-00 Seismoprobe
0-degree high-temperature velocity pickup
74712 isolated-base top-connector transducer
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
9200 AND 74712 SEISMOPROBE VELOCITY TRANSDUCERS
A self-generating velocity signal for vibration instruments
The 74712 belongs to the two-wire Seismoprobe family and uses moving-coil technology to generate a velocity-proportional voltage. A suitable interconnect cable carries that signal to the selected vibration-monitoring or diagnostic instrument.
Option 01 defines a 0-degree calibration orientation, while the 11 and 02 options define an isolated circular M10x1 base and top connector. The electrical input must match the published sensitivity, load and bandwidth rather than treating all two-wire vibration sensors as equivalent.
Install the sensor at a location that transmits representative housing or structural vibration. Protect the wiring and connector, observe the specified base torque, and check orientation and signal polarity during commissioning. This order code has no agency approvals.
Features:
- Self-powered moving-coil source for a compatible voltage input
- 0-degree orientation with a 4.5 Hz lower operating frequency
- Isolated base and top-connector cable interface
The Bently Nevada 74712-01-11-02-00 self-powered high-temperature vibration velocity measurement requires the appropriate mounting, connections and configuration to be verified before system integration and commissioning.
INTERCHANGEABILITY
Verify the complete replacement identity before commissioning
A replacement must preserve the 74712-01-11-02-00 configuration, especially its calibrated orientation and isolated mounting interface. A change to a 90-degree option, different base or different connector can require mechanical or measurement-system changes.
The 74712 temperature capability exceeds that of the 9200 listed in the same manufacturer document. Family membership is therefore not evidence of unrestricted interchangeability; compare temperature, cable suitability, sensitivity, loading and dynamic response before substituting a sensor.
No exact discontinuation date or approved direct replacement for this ordering reference was established in the inspected official material. Obtain current manufacturer confirmation for a proposed successor rather than treating a general recommendation for newer sensor technology as a drop-in approval.
Features:
- Keep orientation, base and connector requirements aligned
- Check high-temperature service before substituting a 9200 variant
- Require exact successor evidence for a claimed direct replacement
The Bently Nevada 74712-01-11-02-00 self-powered high-temperature vibration velocity measurement 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 Amikon-hosted reference packages, not direct manufacturer downloads. Refer to the applicable Bently Nevada documentation and supplied product identity 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 Bently Nevada 74712-01-11-02-00 self-powered high-temperature vibration velocity measurement 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 sizePacked dimensions unconfirmed
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Shipping weightGross weight unconfirmed
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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 referenceClassification unconfirmed
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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
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Dedicated account manager · 15+ years
FREQUENTLY ASKED QUESTIONS
Questions buyers ask about 74712-01-11-02-00
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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Is 74712-01-11-02-00 the 0-degree or 90-degree mounting version?
The first 01 selects 0 degrees within +/-2.5 degrees, with a 4.5 Hz minimum frequency. The 03 orientation option selects 90 degrees and should not be substituted without checking the mounting direction. -
What does the Seismoprobe measure compared with a proximity probe?
It measures absolute bearing-housing, casing or structural vibration and generates a velocity-proportional voltage. It is not a shaft-relative displacement measurement from an eddy-current proximity probe. -
Which terminal polarity should the receiving instrument expect?
Pin A becomes positive relative to pin B when the transducer case moves toward the connector. Confirm the instrument wiring against the controlled manufacturer installation documentation. -
Can this sensor be connected to any two-wire vibration input?
No. The receiving input must accept a self-generated velocity voltage with appropriate loading and bandwidth. The nominal sensitivity is specified with a 10 kilohm load; two-wire construction alone does not establish compatibility. -
Is a terminal block supplied by connector option 02?
No. On the 74712 ordering map, option 02 is the top-mounted connector. A terminal-block top mount is a separate connector option, 03. -
Can the M10x1 base be fitted without checking the tightening torque?
No. The specified mounting torque for the M10x1 base is 5.6 N m. Correct mechanical coupling and mounting location are important to preserve amplitude and frequency response. -
Does its 204 C temperature capability establish hazardous-area suitability?
No. The operating temperature limit is separate from hazardous-area certification. This complete reference ends in 00, the option without approvals.
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74712-01-11-02-00Self-powered high-temperature velocity transducerManufacturer: Bently NevadaView Details
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