{"product_id":"bently-nevada-3300-48-01-01-01-00-case-expansion-monitor","title":"Bently Nevada 3300\/48-01-01-01-00 Case Expansion Monitor","description":"\u003ch1\u003eBently Nevada 3300\/48 Case Expansion Monitor\u003c\/h1\u003e\n\u003cp\u003eConfigured for thermal casing displacement measurement in turbine supervisory systems, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 3300\/48-01-01-01-00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cstrong\u003e3300\/48 Case Expansion Monitor\u003c\/strong\u003e) provides dual-channel LVDT signal acquisition and direct electrical conversion for casing growth monitoring across 3300 machinery protection platforms.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe 3300\/48-01-01-01-00 configuration is factory-defined as follows:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e3300\/48: Case Expansion Monitor base module\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e-01: 0 to 1.0 inch full-scale measurement range\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e-01: 1 inch LVDT input scaling (9 mV\/mil standard)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e-01: Epoxy-sealed relay output stage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e-01: CSA\/NRTL\/C hazardous area certification option\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e-00: No intrinsic safety barrier configuration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModelBrand\u003c\/td\u003e\n\u003ctd\u003eBently Nevada 3300\/48-01-01-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.0 kg (approx)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eNot specified in provided datasheet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperatingTemp\u003c\/td\u003e\n\u003ctd\u003e0 to 65 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003e2-channel DC LVDT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e1.0 MOhm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransducer Supply\u003c\/td\u003e\n\u003ctd\u003e-24 VDC current-limited per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScale Factor\u003c\/td\u003e\n\u003ctd\u003e10 mV\/mil, 9 mV\/mil, 3.5 mV\/mil selectable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signals\u003c\/td\u003e\n\u003ctd\u003e4-20 mA, 0 to -10 VDC, 1 to 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-0.33% typical, +\/-1% max FS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMechanical Signal Conditioning Behavior (Bently Nevada Class Monitoring)\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 3300\/48\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodule implements dual LVDT-based displacement tracking with signal linearization referenced to eddy-current probe scaling principles used across Bently Nevada machinery protection systems. Channel processing includes gap voltage validation against calibrated excitation levels (nominal -10 VDC reference domain behavior in downstream signal conditioning chains). Cross-channel differential computation is used to suppress common-mode mechanical drift while isolating asymmetric casing expansion signatures. Signal integrity is maintained under rotor dynamic vibration influence by channel decoupling and internal crosstalk suppression filtering logic typical of 3300-series architecture.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the module operate with only one LVDT input active?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The unit can operate in independent channel mode, but differential alarm logic is disabled without valid dual-channel input correlation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the relay output change state during independent mode operation?\u003c\/strong\u003e\u003cbr\u003eA: No. Alarm relay actuation is only enabled in differential measurement mode as defined by internal configuration logic.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the limitation of backplane signal buffering?\u003c\/strong\u003e\u003cbr\u003eA: Buffered outputs are impedance-isolated (100 ohm) and intended for monitoring only; they are not designed for load-driving external control circuits.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eMaintain twisted shielded pair routing for both LVDT channels to reduce electromagnetic coupling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnsure LVDT excitation and return conductors are separated from high-power switching lines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGround cable shields at single-point earth reference only to avoid ground loop currents\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVerify correct jumper configuration for mV\/mil scaling before commissioning\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAvoid mechanical stress on terminal blocks during enclosure mounting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnsure relay wiring complies with SPDT dry-contact isolation requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":44241959616600,"sku":"3300\/48-01-01-01-00","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/330048-01-01-01-00-3.jpg?v=1781508949","url":"https:\/\/www.industriaxplc.com\/ar\/products\/bently-nevada-3300-48-01-01-01-00-case-expansion-monitor","provider":"IndustriaX Limited","version":"1.0","type":"link"}