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Technical specifications for 3500/64M 140734-05
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Manufacturer:Bently Nevada
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Product Category:Machinery Monitoring Systems
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Spare Part Number:140734-05
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Estimated shipping dimensions:2.5x25.7x24cm
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Weight:0.84 kg
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Tariff Code:8537101190
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Counliy of origin:USA
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Input channels:1 to 4
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Accepted signals:2-wire; 3-wire pressure transducer
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3-wire input impedance:10 kOhm
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2-wire input impedance:1.5 to 3.5 MOhm typical
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Dynamic-pressure sensitivity:100 mV/psi; 1.45 mV/mbar
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2-wire transducer supply:3.3 mA at 22 Vdc nominal
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3-wire transducer supply:-24 Vdc
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Recorder output:+4 to +20 mA
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Recorder load:0-600 Ohm
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Recorder resolution:0.3662 uA per bit
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Recorder update rate:100 ms or less
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Low-mode frequency range:5 Hz to 4 kHz
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Low mode without LP filter:Approximately 5.285 kHz
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High-mode frequency range:10 Hz to 14.75 kHz
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Buffered output impedance:550 Ohm
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Operating temperature:-30 to +65 degC
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Storage temperature:-40 to +85 degC
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Relative humidity:95% non-condensing
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Front rack space:1 full-height slot
Information
Overview
Manuals
Common Applications
Product Precautions
Bently Nevada 3500/64M 140734-05 is a four-channel Dynamic Pressure Monitor for the 3500 rack. It conditions pressure-transducer signals to supervise pulsation and high-frequency combustion or compressor pressure behavior.
- Processes four channels of pulsation or dynamic-pressure measurements
- Supplies approved two-wire and three-wire pressure-transducer interfaces
- Supports selectable low- and high-frequency monitoring modes
- Produces conditioned measurements, alarms and recorder outputs for machinery protection
3500/64M 140734-05 installs with 3500 rack, Approved 3500/64M I/O module, Two-wire or three-wire pressure transducers, 3500 Rack Configuration Software in an engineered 3500 Machinery Protection System configuration.
The commissioning workflow covers installed-hardware matching, controlled start-up and functional verification for this four-channel dynamic pressure monitor.
Important Notice: Confirm the complete 3500/64M 140734-05 marking, installed-system configuration, field connections and controlled functional test before commissioning or replacement.
Apter Power 3500/64M 140734-05 Manuals and Guides
Apter Power 3500/64M 140734-05 Product Technical Reference PDFBently Nevada 3500/64M 140734-05 Official Manual PDF
The first document is an Apter Power model-specific technical reference. The second supports model-specific installation, configuration and engineering verification.
Reciprocating-compressor pulsation monitoringProcesses four channels of pulsation or dynamic-pressure measurements
Combustion dynamic-pressure supervisionSupplies approved two-wire and three-wire pressure-transducer interfaces
Process-gas pressure oscillation detectionSupports selectable low- and high-frequency monitoring modes
High-frequency machinery pressure alarmingProduces conditioned measurements, alarms and recorder outputs for machinery protection
Read the applicable Bently Nevada installation instructions before work. Verify 3500/64M 140734-05 and the installed 3500 Machinery Protection System configuration.
1Confirm 140734-05 and its paired rear I/O module before removing the monitor.
2Isolate transducer supplies and recorder loops before disturbing connections.
3Record each channel's transducer type, sensitivity, mode and filter settings.
4Do not apply the three-wire negative supply to a two-wire current-powered sensor.
5Use ESD controls and protect buffered-output connectors during handling.
6Restore low- or high-frequency mode according to the approved measurement duty.
7Verify transducer bias and dynamic response before enabling channel alarms.
8Inject a controlled signal and confirm recorder scaling plus Alert/Danger action.
Technical notes
Match every channel to the actual two-wire or three-wire transducer, select the correct frequency mode and filter, confirm bias and sensitivity, then prove recorder and alarm response with controlled pressure-signal injection.
FAQ View All FAQ
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How does an engineer select low or high mode on 3500/64M 140734-05?Select the frequency mode required by the approved pulsation or dynamic-pressure measurement and configure the corresponding filter path.
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Can two-wire and three-wire transducers be mixed on 3500/64M 140734-05?Only where each channel and rear I/O circuit is wired and configured for the installed sensor supply and signal arrangement.
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What bias checks are required before enabling 3500/64M 140734-05?Verify the expected transducer bias or supply condition at every channel before accepting dynamic measurements or alarms.
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How is recorder scaling validated for 3500/64M 140734-05?Inject a controlled pressure-equivalent signal and compare the monitor value with the connected 4-20 mA recording channel.
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What may cause loss of high-frequency response on 3500/64M 140734-05?Review the selected monitoring mode, low-pass filter, transducer bandwidth, cabling and channel configuration before replacing hardware.
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Which details must be recorded before replacing 3500/64M 140734-05?Record sensor type, sensitivity, wiring method, frequency mode, filters, full-scale range, setpoints and recorder assignment.
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How should 3500/64M 140734-05 be tested after installation?Apply controlled dynamic signals across the intended band and verify buffered output, measured value, recorder response and alarm action.
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Can another pressure monitor configuration be copied into 3500/64M 140734-05?Use only the approved configuration for the exact transducer and machinery duty; do not transfer settings from an unrelated channel or machine.
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