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Bently Nevada 74712-06-12-04-04 High-Temperature Seismoprobe Velocity Transducer

HIGH-TEMPERATURE · VELOCITY SENSOR

74712-06-12-04-04

74712-06-12-04-04 — A high-temperature two-wire moving-coil Seismoprobe for bearing-housing, casing and structural vibration measurements.

MOUNTING ANGLE0° ±10°

CONNECTORSide mount

MOUNTING BASEIsolated 1/2-20 UNF-2A

APPROVALSATEX/IECEx

MANUFACTURERBently Nevada · Baker Hughes

CONDITION / WARRANTYOriginal New · One-Year Warranty

ISO CERTIFICATIONISO-Certified Product

VERIFICATION● Product photos and videos provided after inquiry

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BENTLY NEVADA ● SEISMOPROBE 74712

HIGH-TEMPERATURE SEISMOPROBE VELOCITY TRANSDUCER

74712-06-12-04-04

0° · SIDE MOUNT · ISOLATED 1/2-20 UNF · ATEX/IECEx

High-Temperature Two-Wire Moving-Coil Velocity Transducer

MEASUREMENT ROLE

74712-06-12-04-04 — A high-temperature two-wire moving-coil transducer for absolute bearing-housing, casing and structural vibration measurement.

CONFIGURATION NOTE

06 = 0° mounting with ±10° tolerance and 10 Hz minimum frequency; 12 = isolated circular 1/2-20 UNF-2A base; first 04 = side-mount connector; final 04 = ATEX/IECEx.

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ORDER NUMBER BREAKDOWN

How the 74712-06-12-04-04 order number is structured

74712

Transducer familyHigh-temperature two-wire Seismoprobe velocity transducer

Mounting angle0° ±10°; 10 Hz minimum frequency

Mounting baseIsolated circular base; 1/2-20 UNF-2A

Connector optionSide mount

Agency approvalATEX/IECEx

MANUFACTURER-REFERENCE CHARACTERISTICS

Technical Specifications

74712 Seismoprobe ↗

74712-06-12-04-04

Engineering data at a glance

Click “+” to expand more specifications.

HEIGHT102 mm typical

DIAMETER41 mm typical

WEIGHT480 g typical

FREQUENCY10–1000 Hz

Official Baker Hughes 74712 data; height varies with connector option.

Configuration checkConfirm the complete 74712-06-12-04-04 reference, 0° orientation, isolated 1/2-20 base, side-mount connector, ATEX/IECEx requirements, wiring and monitor input before ordering.

General Information −

BrandBently Nevada

Part number74712-06-12-04-04

Product typeHigh-temperature two-wire moving-coil velocity transducer

Product familySeismoprobe 74712

MeasurementAbsolute bearing-housing, casing or structural vibration

OutputVoltage proportional to vibration velocity

Electrical and Performance ＋

Sensitivity20 mV/mm/s (500 mV/in/s) ±5%

Frequency response10 to 1000 Hz; +0, -3 dB typical

Calibration load10 kΩ across pins A and B

Velocity range25 mm/s (1 in/s) at stated conditions

Dynamic operating range2.54 mm peak-to-peak maximum displacement

Coil resistance1.25 kΩ ±5%

Mechanical Configuration ＋

Mounting angle option 060° ±10°

Connector option 04Side mount

Mounting base option 12Isolated circular base; 1/2-20 UNF-2A

Height102 mm (4 in) typical

Diameter41 mm (1.6 in) typical

Weight480 g (17 oz) typical

Environment and Installation ＋

Operating and storage temperature-29°C to +204°C (-20°F to +400°F)

Relative humidityTo 95% noncondensing

Maximum altitude2000 m (6561 ft)

Lead-wire distanceUp to 305 m (1000 ft) to compatible monitor

Agency approval option 04ATEX/IECEx

InstallationMount on the bearing housing or machine casing

Source: Bently Nevada 141626 Rev. V. Values shown are the manufacturer’s published 74712 data and the selected 06-12-04-04 ordering options.

FAQ

Questions Buyers Ask Most

What type of product is 74712-06-12-04-04?＋

74712-06-12-04-04 is a high-temperature, two-wire, self-powered moving-coil Seismoprobe velocity transducer for measuring absolute machine vibration.

What do the option groups in 74712-06-12-04-04 identify?＋

For 74712-06-12-04-04, 06 specifies 0° mounting with ±10° tolerance and a 10 Hz minimum frequency; 12 is the isolated circular 1/2-20 UNF-2A base; the first 04 is the side-mount connector; and the final 04 means ATEX/IECEx.

What frequency response applies to 74712-06-12-04-04?＋

74712-06-12-04-04 uses option 06, giving a 10 to 1000 Hz response of +0, -3 dB typical under the manufacturer’s stated conditions.

Where is 74712-06-12-04-04 applied?＋

74712-06-12-04-04 is used for bearing-housing, machine-casing and structural vibration measurements, including continuous monitoring or periodic diagnostic measurements.

What should be checked before ordering 74712-06-12-04-04?＋

Confirm the complete 74712-06-12-04-04 order code, 0° orientation, isolated 1/2-20 UNF-2A base, side-mount connector, wiring, monitor compatibility, high-temperature environment and ATEX/IECEx requirements.

CONTACT PRODUCT SPECIALIST

Check your configuration with Frida

Share the complete label and system details for compatibility, availability and lead-time checking.

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DATA SHEET

Manuals and Official References for
74712-06-12-04-04

Official Bently Nevada documentation for the 9200 and 74712 Seismoprobe velocity transducer family, including the complete 74712 ordering table.

9200 and 74712 Seismoprobe Velocity Transducers

Bently Nevada 141626 Rev. V. Check the 74712 ordering table, specifications and installation guidance.

OFFICIAL DATASHEET

Contact to Get Support

Send the complete model, quantity, and your technical or purchasing question.

EMAIL
sales5@mooreplc.com WHATSAPP
+86 153 5940 8275

Technical statements on this product page are limited to publicly available Bently Nevada / Baker Hughes manufacturer documentation. No third-party product sources were used.

SEISMOPROBE SYSTEM RELATIONSHIP

How 74712-06-12-04-04 Fits into a High-Temperature Vibration-Monitoring System

Bently Nevada is the manufacturer. 74712-06-12-04-04 is a high-temperature, self-powered two-wire moving-coil velocity transducer. Match it to the installed cable, monitor or portable diagnostic instrument.

Bently Nevada · BRAND

74712 SeismoprobeVELOCITY TRANSDUCER

SENSING COMPONENT

74712 Transducer

The moving-coil transducer generates a voltage directly proportional to vibration velocity.

INTERCONNECTION

Two-Wire Cable

Use the appropriate two-conductor cable and observe pin polarity and allowable lead length.

MONITORING

Monitor or Diagnostic Instrument

Connect to a compatible 3300 or 3500 monitor, test set or portable diagnostic instrument.

System relationship: verify 0° orientation, isolated 1/2-20 UNF-2A base, side-mount connector, wiring, polarity, ATEX/IECEx requirements, monitor input and measurement location before replacement.

APPLICATION AREAS

Application fields for 74712-06-12-04-04

Bearing Housing VibrationMeasures absolute vibration at bearing housings for machinery monitoring.

Machine Casing VibrationMeasures casing vibration where rotor motion is transmitted to the machine housing.

APPLICATION CENTER74712-06-12-04-04High-temperature two-wire Seismoprobe velocity transducer

Structural VibrationMeasures absolute vibration of suitable machinery structures.

Portable DiagnosticsSupports periodic measurements with compatible test or diagnostic instruments.

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