{"product_id":"bently-nevada-177230-00-01-cn-seismic-transmitter","title":"Bently Nevada 177230-00-01-CN Seismic Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eIntegrating directly into PLC, DCS, or SCADA control architectures, the \u003cstrong\u003eBently Nevada 177230-00-01-CN\u003c\/strong\u003e serves as a loop-powered seismic transmitter designed for continuous vibration monitoring of industrial rotating machinery. This velocity-based transmitter utilizes a piezo-electric accelerometer with onboard signal conditioning to produce a \u003cstrong\u003e4 to 20 mA\u003c\/strong\u003e analog output proportional to the overall vibration velocity. Encased in a rugged, hermetically sealed \u003cstrong\u003e316L stainless steel\u003c\/strong\u003e housing, it is engineered for long-term deployment in high-reliability industrial environments, providing immediate protection and diagnostics for balance-of-plant assets.\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\u003eDirect Interface:\u003c\/strong\u003e Eliminates the need for specialized monitoring monitors by transmitting a direct 4 to 20 mA loop-powered signal to any standard input card.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHermetic Seal:\u003c\/strong\u003e Built with 316L stainless steel housing and a 3-pin MIL-C-5015 top connector, guaranteeing ingress protection in high-moisture settings up to 100% relative humidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Fidelity Signal:\u003c\/strong\u003e Onboard electronics process raw piezo-electric charge output to accurately represent vibration velocity across the defined frequency band.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSolid-State Durability:\u003c\/strong\u003e No moving internal components, minimizing wear-and-tear drift and ensuring consistent, long-term calibration stability.\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\u003eBalance-of-plant rotating machinery, including industrial fans and blowers.\u003c\/li\u003e\n  \u003cli\u003eContinuous monitoring of centrifugal and reciprocating fluid pumps.\u003c\/li\u003e\n  \u003cli\u003eMedium-to-large electric motors, generators, and auxiliary gearboxes.\u003c\/li\u003e\n  \u003cli\u003eAir and process gas compressors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications Table\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; border: 1px solid #e2e8f0; font-family: inherit;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #cbd5e0;\"\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold;\"\u003eSpecification Value\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eBently Nevada\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003ePart Number (SKU)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e177230-00-01-CN\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eMeasurement Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0 to 12.7 mm\/s (0 to 0.5 in\/s) RMS\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eFrequency Response\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e10 Hz to 1 kHz (600 to 60,000 cpm) RMS\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eOutput Signal\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e4 to 20 mA DC (loop-powered)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eApprovals Option Code\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCN (China-specific industrial and hazardous area approvals)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eRelative Humidity\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eTo 100% non-submerged\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eCase Material\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e316L Stainless Steel\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eConnector Type\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e3-pin MIL-C-5015, 316L Stainless Steel\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eMounting Thread\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e1\/4-28 UNF\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eTransmitter Diameter\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e25.4 mm (1.00 in)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eTransmitter Height\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e66.0 mm (2.60 in)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eSensor Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0.131 kg (0.29 lb)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e1.50 kg (including secure transit packaging)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eCountry of Origin\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eUnited States\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eConnections and Interfaces\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; border: 1px solid #e2e8f0; font-family: inherit;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #cbd5e0;\"\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eMIL-C-5015 Pin\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold;\"\u003eFunction \/ Circuit Assignment\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003ePin A\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003ePositive 4 to 20 mA Current Loop (+ TX \/ Power)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003ePin B\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eNegative 4 to 20 mA Current Loop Return (- TX \/ Common)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003ePin C\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eShield \/ Ground Connection\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThis transmitter acts as a standardized replacement for legacy case velocity transducers when direct-to-PLC output is desired. Note that the 177230 series outputs a \u003cstrong\u003e4 to 20 mA DC current\u003c\/strong\u003e corresponding to overall root-mean-square (RMS) velocity, meaning it cannot directly drive legacy dynamic vibration monitors (such as Bently Nevada 3500\/42M modules configured for dynamic inputs) without proper module configuration for static analog signals.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eDo not mount this transmitter on flexible machine casings or thin plate sections. Doing so can introduce high-frequency structural resonances that do not represent true bearing housing movement, causing false high readings. The sensor must be bolted to a solid, flat, machined surface directly on or near the machine's bearing housing to ensure accurate mechanical energy transfer.\u003c\/p\u003e\n\n\u003ch3\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eTo guarantee optimal high-frequency signal coupling, ensure the mounting surface is completely free of debris and paint. Apply a thin layer of silicone grease to the 1\/4-28 UNF mounting stud before installation. Cable runs should be completed using high-quality twisted, shielded pair cabling. Ground the shield at the receiver (PLC\/DCS) chassis ground only to prevent ground loops that cause noise injection on the loop current signal.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 15px; margin-bottom: 1.5rem;\"\u003e\n  \u003cstrong style=\"color: #9b2c2c; display: block; margin-bottom: 5px;\"\u003eCRITICAL WARNING\u003c\/strong\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0;\"\u003eBefore starting mechanical mounting or electrical wiring, ensure the monitored rotating asset is fully de-energized and locked out. Keep loop power supply disconnected until all wiring is physically terminated to prevent electrical shocks or component damage in hazardous areas.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 10px; margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 15px;\"\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;\"\u003ePrepare a flat, spot-faced area with a diameter of at least 25.4 mm (1.00 in) on the bearing housing.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 15px;\"\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;\"\u003eDrill and tap a vertical mounting hole perpendicular to the machined surface using a 1\/4-28 UNF tap, minimum depth 12 mm.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 15px;\"\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;\"\u003eTorque the transmitter to 9.9 N-m (88 in-lb) using a calibrated torque wrench. Do not overtighten, as this can degrade internal crystal elements.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 15px;\"\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;\"\u003eConnect the 3-pin MIL-C-5015 cable connector and secure the locking collar. Run the cable through conduit to protect against mechanical abrasions.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52668303311211,"sku":"177230-00-01-CN","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/177230-00-01-CN-rkkyl3z5rxi_84f4d4f0-806e-41a2-95da-f782692026ab.jpg?v=1765520612","url":"https:\/\/www.plcprotech.com\/products\/bently-nevada-177230-00-01-cn-seismic-transmitter","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}