{"product_id":"bently-nevada-3500-64-01-00-3500-series-dynamic-pressure-monitor","title":"Bently Nevada 3500\/64-01-00 3500 Series Dynamic Pressure Monitor","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eProcessing dynamic pressure sensor signals to protect rotating machinery against combustion instability, the \u003cstrong\u003eBently Nevada 3500\/64-01-00\u003c\/strong\u003e operates as a high-precision four-channel monitor within the 3500 Machinery Protection System. By continuously acquiring and analyzing high-frequency pressure pulsations, this module prevents destructive surge conditions in centrifugal compressors and thermal acoustic stress in gas turbine combustion chambers. The module accepts inputs from dynamic pressure transducers and processes them to generate static and dynamic values, which are compared against user-configured alarm setpoints for real-time protection.\u003c\/p\u003e\n\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThis specific configuration features the \u003cstrong\u003e3500\/64-01-00\u003c\/strong\u003e hardware footprint, utilizing an I\/O module with internal terminations and standard system approvals. It integrates directly with the 3500 system's backplane, providing continuous machine health monitoring and seamlessly communicating with distributed control systems (DCS) or human-machine interfaces (HMI) via the rack's communications gateway.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFour Independent Channels:\u003c\/strong\u003e Delivers concurrent dynamic pressure monitoring across four distinct field locations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCombustion Instability Tracking:\u003c\/strong\u003e Specialized bandpass filtering designed specifically to capture and isolate acoustic combustion dynamics.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfigurable Alarms:\u003c\/strong\u003e Individual Alert and Danger setpoints for each channel with adjustable time delays to eliminate nuisance tripping.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInternal Terminations:\u003c\/strong\u003e Eliminates the need for external terminal blocks, simplifying control panel wiring layouts.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDynamic Signal Outputs:\u003c\/strong\u003e Buffered transducer outputs on the front panel provide direct access to raw AC signals for external diagnostic analyzers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas Turbine Combustor Protection:\u003c\/strong\u003e Continuous tracking of acoustic resonances and flame instabilities in dry low-NOx (DLN) systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCentrifugal Compressor Surge Control:\u003c\/strong\u003e Detecting early-stage high-frequency pressure pulsations preceding aerodynamic stall.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHydroelectric Draft Tube Surge:\u003c\/strong\u003e Monitoring low-frequency pressure pulsations caused by vortex ropes in draft tubes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReciprocating Machinery Diagnostics:\u003c\/strong\u003e Analyzing cylinder pressure variations and valve dynamic behaviors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748; font-size: 0.9rem;\"\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold; width: 35%;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eBently Nevada (Baker Hughes)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eModule Part Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e3500\/64-01-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eMonitor Type\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eDynamic Pressure Monitor (4-Channel)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eI\/O Module Option (-01)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eI\/O Module with Internal Terminations\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eApproval Option (-00)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eStandard \/ None (No hazardous area certifications specified for this option code)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eInput Impedance\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e100 kilohms (nominal)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003ePower Consumption\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e7.3 Watts typical\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eSignal Resolution\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e24-bit Analog-to-Digital (ADC) conversion\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eOperating Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e-30 to +65 Celsius (-22 to +149 Fahrenheit)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eCountry of Origin\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eUnited States\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e2.0 kg (4.4 lbs)\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\u003ch4\u003eAlternative Models \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe \u003cstrong\u003e3500\/64-01-00\u003c\/strong\u003e internal termination design means field wiring lands directly on the terminal blocks on the rear I\/O module. If upgrading from older or external termination architectures (like the 3500\/64-02-00), the field wiring layout must be verified, as external termination blocks (ETBs) cannot be used with this internal termination variant without completely replacing the rear I\/O card.\u003c\/p\u003e\n\n\u003ch4\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eBecause this module processes high-frequency dynamic signals, ensure the dynamic pressure transducers utilized match the signal input range (voltage or charge mode configurations in the 3500 Rack Configuration Software). Incorrect transducer selection in software will result in clipping or severely attenuated signal inputs, throwing the monitor into a Not OK status.\u003c\/p\u003e\n\n\u003ch4\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eAlways use high-quality shielded, twisted-pair cabling for dynamic pressure inputs. The shields must be grounded strictly at the 3500 rack ground bar (internal terminations provide specific shield terminals). Never ground the shield at both ends, as ground loops will introduce a 50\/60 Hz line frequency component that distorts low-frequency pulsation readings.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem; border-radius: 4px;\"\u003e\n  \u003cp style=\"color: #9b2c2c; font-weight: bold; margin: 0 0 0.5rem 0;\"\u003eCRITICAL WARNING\u003c\/p\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0; font-size: 0.9rem;\"\u003eDe-energize the entire 3500 rack system prior to inserting or extracting the 3500\/64 monitor or rear I\/O card. Hot-swapping modules without verified bypass configurations on external shutdown loops can cause accidental machinery trips or damage to internal backplane circuitry.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e1\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eMount the rear I\/O module (internal terminations) into the correct rear chassis slot directly aligned with the intended front slot of the 3500 rack.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e2\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eSlide the main 3500\/64 monitor module into the matching front chassis slot, ensuring the card guide rails are fully engaged. Secure the module using the top and bottom captive thumbscrews.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e3\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eConnect the dynamic pressure sensor field cables directly to the terminal strips on the rear I\/O card, verifying correct polarities and shield terminations.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e4\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003ePower on the rack and connect via the 3500 Rack Configuration Software to configure transducer scale factors, bandpass frequency limits, and alarm levels before placing the unit into service.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52668309176683,"sku":"3500\/64-01-00","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/350064-01-00-11wb3yxs2kh_590886f8-30e4-4d7c-b683-eb4e55ed073b.jpg?v=1765520786","url":"https:\/\/www.plcprotech.com\/ms\/products\/bently-nevada-3500-64-01-00-3500-series-dynamic-pressure-monitor","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}