{"product_id":"pr9268-705-000-emerson-velocity-sensor-new-original-stock","title":"PR9268\/705-000 Emerson Velocity Sensor | New \u0026 Original Stock","description":"\u003ch1\u003eEmerson PR9268\/705-000 Electrodynamic Velocity Sensor\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eEmerson PR9268\/705-000\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003ePR9268\u003c\/strong\u003e Electrodynamic Velocity Sensor, serves as the primary \u003cstrong\u003ePR9268\u003c\/strong\u003e Electrodynamic Velocity Sensor utilized to execute absolute casing vibration monitoring across VM600 and AMS 6500 platforms.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003eModel\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003ePR9268\/705-000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003eBrand\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003eEmerson \/ EPRO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003eOrigin\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003eGermany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003eWeight\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003e0.60 kg typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"6\"\u003eDimensions\u003c\/td\u003e\n\u003ctd data-row=\"6\"\u003eCylindrical design with standard industrial housing dimensions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"7\"\u003eOperating Temp\u003c\/td\u003e\n\u003ctd data-row=\"7\"\u003e-20 to +100 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"8\"\u003ePower Consumption\u003c\/td\u003e\n\u003ctd data-row=\"8\"\u003ePassive transducer (no external power consumption required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"9\"\u003eMeasurement Principle\u003c\/td\u003e\n\u003ctd data-row=\"9\"\u003eElectrodynamic moving coil within permanent magnetic field\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"10\"\u003eMounting Orientation\u003c\/td\u003e\n\u003ctd data-row=\"10\"\u003eHorizontal (+\/- 30 deg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"11\"\u003eNominal Sensitivity\u003c\/td\u003e\n\u003ctd data-row=\"11\"\u003e28.5 mV\/mm\/s (+\/- 5%) at 80 Hz, 20 deg C, 100 kOhm load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"12\"\u003eFrequency Range\u003c\/td\u003e\n\u003ctd data-row=\"12\"\u003e4 Hz to 1 000 Hz (+\/- 3 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"13\"\u003eNatural Frequency\u003c\/td\u003e\n\u003ctd data-row=\"13\"\u003e14 Hz (+\/- 7%) at 20 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"14\"\u003eCore Measurement Range\u003c\/td\u003e\n\u003ctd data-row=\"14\"\u003e+\/- 1 500 um displacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"15\"\u003eMaximum Acceleration\u003c\/td\u003e\n\u003ctd data-row=\"15\"\u003e10 g continuous, 20 g intermittent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"16\"\u003eMax Transverse Acceleration\u003c\/td\u003e\n\u003ctd data-row=\"16\"\u003e2 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"17\"\u003eProtection Class\u003c\/td\u003e\n\u003ctd data-row=\"17\"\u003eIP67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"18\"\u003eHousing Material\u003c\/td\u003e\n\u003ctd data-row=\"18\"\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"19\"\u003eCompliance\u003c\/td\u003e\n\u003ctd data-row=\"19\"\u003eAPI 670\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol and Channel-to-Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe electrodynamic transducer operates on a passive self-generating moving-coil framework, generating an analog voltage proportional to vibration velocity before routing to specialized machinery monitors or transmitters that interface with the 4-20 mA HART loop protocol. Within the monitoring rack architecture, high channel-to-channel isolation prevents electrical cross-talk and common-mode noise propagation between multiple horizontal sensor locations. Dynamic signal tracking pathways maintain an accurate velocity baseline against high transverse acceleration forces, ensuring clean signal conversion for distributed control networks and transient diagnostic software utilities.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What are the backplane current limits and hot-swap restrictions for the monitoring loops associated with this passive sensor?\u003c\/p\u003e\n\u003cp\u003eA: The PR9268\/705-000 is a completely passive inductive transducer that requires zero external excitation power from the interface module. Hot-swapping the field wiring terminals at the rack interface panel is permitted at any time during live operation without threatening backplane electronics or causing voltage bus instability.\u003c\/p\u003e\n\u003cp\u003eQ: How does the specific horizontal mounting limitation impact sensor performance if tilted past the technical specification?\u003c\/p\u003e\n\u003cp\u003eA: The physical spring-mass design of the internal moving coil is optimized for a horizontal plane within a +\/- 30 deg tolerance window. Exceeding this boundary induces gravitational offset errors, causes internal component friction, and modifies the 14 Hz natural frequency baseline, which invalidates the nominal 28.5 mV\/mm\/s sensitivity calibration.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the sensor assembly rigidly onto a machined surface of the bearing pedestal or machine casing, ensuring the alignment plane matches horizontal axis requirements within +\/- 30 deg.\u003c\/li\u003e\n\u003cli\u003eTorque the mounting fasteners to standard industrial criteria to prevent high-frequency transmission loss or structural rattling at the mounting interface.\u003c\/li\u003e\n\u003cli\u003eRoute the sensor signal cable through flexible liquid-tight conduit paths to sustain the IP67 protection class and shield the internal circuit from moisture or dust ingress.\u003c\/li\u003e\n\u003cli\u003eInterconnect the overall cable shield to the instrumentation terminal panel ground bus at a single end only to eliminate ground loop current interference.\u003c\/li\u003e\n\u003cli\u003eVerify that the continuous operating temperature along the machinery casing profile does not exceed the maximum -20 to +100 deg C technical limits.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Epro","offers":[{"title":"Default Title","offer_id":43898224050275,"sku":"PR9268\/705-000","price":350.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/105_8ff3c80d-4e7b-4b47-8a38-670f2ed98ac7.jpg?v=1766122658","url":"https:\/\/www.autocontrolglobal.com\/products\/pr9268-705-000-emerson-velocity-sensor-new-original-stock","provider":"AutoControl Global","version":"1.0","type":"link"}