{"product_id":"177230-00-01-05-bently-nevada-seismic-transmitter-4-20ma","title":"177230-00-01-05 Bently Nevada Seismic Transmitter 4-20mA","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview \u0026amp; Configuration Breakdown\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #1d4ed8; font-weight: bold;\"\u003e177230-00-01-05\u003c\/span\u003e \u003cspan style=\"color: #1d4ed8; font-weight: bold;\"\u003eBently Nevada\u003c\/span\u003e \u003cspan style=\"color: #1d4ed8; font-weight: bold;\"\u003e177230\u003c\/span\u003e \u003cspan style=\"color: #1d4ed8; font-weight: bold;\"\u003eSeismic Transmitter\u003c\/span\u003e converts absolute vibration directly into a standard 4-20 mA loop current. Process control engineers rely on this robust instrument for direct integration into plant PLC, DCS, and SCADA monitoring architectures.\u003c\/p\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eConfiguration Suffix\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSelected Option\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eEngineering Definition\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase Model\u003c\/td\u003e\n\u003ctd\u003e177230\u003c\/td\u003e\n\u003ctd\u003eSeismic Transmitter core architecture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Range\u003c\/td\u003e\n\u003ctd\u003eOption 00\u003c\/td\u003e\n\u003ctd\u003e0 to 12.7 mm\/s (0 to 0.5 in\/s) RMS velocity span\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003eOption 01\u003c\/td\u003e\n\u003ctd\u003e10 Hz to 1 kHz (600 to 60 kcps) RMS filtering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAgency Approvals\u003c\/td\u003e\n\u003ctd\u003eOption 05\u003c\/td\u003e\n\u003ctd\u003eCSA\/NRTL\/C, ATEX, and IECEx hazardous area certifications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eCore Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003ePerformance Metric\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eOperating Parameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExcitation Voltage \u0026amp; Loop Current\u003c\/td\u003e\n\u003ctd\u003e12 to 30 Vdc (current limited to 40 mA; optimized for 30-35 mA control loops)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal \u0026amp; Wiring\u003c\/td\u003e\n\u003ctd\u003e4-20 mA current loop on Pin A\/B with unbuffered dynamic acceleration signal on Pin C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensing Element\u003c\/td\u003e\n\u003ctd\u003ePiezoelectric ceramic shear structure with \u0026gt;12 kHz mounted resonance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental \u0026amp; Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C operating span; hermetically sealed 316L stainless steel housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Dimensions \u0026amp; Weight\u003c\/td\u003e\n\u003ctd\u003e25.4 mm (1.00 in) diameter, 66.0 mm (2.60 in) height; weighs 131 g (4.62 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation \u0026amp; Mechanical Guidelines\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure mounting surfaces are flat and spot-faced to prevent base strain distortion.\u003c\/li\u003e\n\u003cli\u003eApply a calibrated mounting torque between 4 to 7 N-m (35.4 to 62.0 in-lbf).\u003c\/li\u003e\n\u003cli\u003eUtilize flexible adapter studs (M6X1, M8x1.25, or 1\/4-28 UNF) matching your machine boss.\u003c\/li\u003e\n\u003cli\u003eVerify loop power supply capability handles the 12 to 30 Vdc excitation requirement safely.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eEquipment Compatibility \u0026amp; Selection Guide\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eDeploying absolute vibration transmitters requires matching electrical loop characteristics to existing control hardware:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSelection Tip: Choose the \u003cspan style=\"color: #1d4ed8; font-weight: bold;\"\u003e177230-00-01-05\u003c\/span\u003e when your PLC or SCADA system requires direct 4-20 mA velocity integration without intermediate rack monitors.\u003c\/li\u003e\n\u003cli\u003eSystem Integration: Pin C provides an unbuffered dynamic acceleration output for temporary diagnostic data collection using portable analyzers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTypical Applications \u0026amp; Diagnostic Capabilities\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMonitors overall casing structural vibration on balance-of-plant pumps, fans, and cooling towers.\u003c\/li\u003e\n\u003cli\u003eProvides continuous trend data to detect structural looseness, unbalance, and bearing wear early.\u003c\/li\u003e\n\u003cli\u003ePerforms reliably in condensing, 100% humidity environments without moisture ingress failure.\u003c\/li\u003e\n\u003cli\u003eMaintains signal stability in high electromagnetic interference areas due to robust 316L shielding.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eGlobal PLC Spare HUB Insight\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eInstrumentation specialists often overlook loop resistance limits when tying 2-wire transmitters into long control cable runs. Our engineering team recommends checking that total loop resistance does not exceed voltage drop thresholds at 12 Vdc minimum excitation. Utilizing shielded twisted-pair cabling for Pins A and B successfully eliminates common-mode ground noise in heavy industrial switchyards.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCompliance, Warranty \u0026amp; Logistics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCertifications: CSA, NRTL\/C, ATEX, and IECEx hazardous location approvals.\u003c\/li\u003e\n\u003cli\u003eQuality Warranty: Backed by a full 12-month industrial replacement warranty.\u003c\/li\u003e\n\u003cli\u003eFulfillment Logistics: Rapid 24-48 hour global dispatch via FedEx, UPS, and DHL.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eProfessional Frequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the exact function of Pin C on the \u003cspan style=\"color: #1d4ed8; font-weight: bold;\"\u003e177230-00-01-05\u003c\/span\u003e transmitter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Pin C outputs an unbuffered dynamic acceleration signal referenced to Pin B, allowing engineers to plug in portable vibration analyzers for advanced FFT spectral diagnostics.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I power this seismic transmitter with a standard 24 Vdc PLC analog input card?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, as long as the analog input card supplies an excitation voltage between 12 and 30 Vdc and accommodates loop current draws up to 40 mA.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does hermetic sealing protect the internal piezoelectric shear element?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The laser-welded 316L stainless steel enclosure prevents moisture and corrosive gases from degrading the internal ceramic sensing core during high-humidity washdowns.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What causes erroneous spikes in the 4-20 mA velocity output loop?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Inadequate cable shielding or ground loops tied to Pin B typically introduce electrical noise, which can be resolved by properly floating or single-point grounding the shield drain.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is proper mounting torque critical for ceramic shear accelerometers?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Under-torquing reduces high-frequency response, while over-torquing can strip the 1\/4-28 UNF mounting stud or warp the transducer base, altering sensitivity.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/177230.png?v=1787038759\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45013811790006,"sku":"177230-00-01-05","price":163.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/177230_1_0143d2a2-0f07-46cf-816b-703fd16a6fed.png?v=1789454695","url":"https:\/\/www.plcsparehub.com\/products\/177230-00-01-05-bently-nevada-seismic-transmitter-4-20ma","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}