{"product_id":"177230-02-02-cn-bently-nevada-4-20-ma-seismic-transmitter","title":"177230-02-02-CN Bently Nevada 4-20 mA Seismic Transmitter","description":"\u003ch2\u003eBently Nevada 177230-02-02-CN Seismic Transmitter\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong style=\"color:#0056b3;\"\u003eBently Nevada 177230-02-02-CN\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e177230\u003c\/strong\u003e Seismic Transmitter, converts casing vibration velocity to a 4-20 mA signal. Option 02 provides 0 - 50.8 mm\/s (0 - 2.0 in\/s) range, 3 Hz to 1 kHz response. CN approvals apply.\u003c\/p\u003e\n\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e177230-02-02-CN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e250 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e63 mm hex x 92 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eLoop-powered, 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Range\u003c\/td\u003e\n\u003ctd\u003e0 - 50.8 mm\/s (0 - 2.0 in\/s)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e3 Hz to 1 kHz (180 to 60 kcps peak)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal\u003c\/td\u003e\n\u003ctd\u003e4-20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApprovals\u003c\/td\u003e\n\u003ctd\u003eCN - Approvals country specific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eSignal Interface and Mounting\u003c\/h3\u003e\n\n\u003cp\u003eThe 177230 uses electromagnetic induction, not eddy-current displacement. No -10 VDC gap voltage applies. Shielded twisted-pair cable is required. Ground the shield at the monitor end only. Mount on a flat machined surface with silicone grease to improve high-frequency response. The wide 3 Hz to 1 kHz range captures low to high frequency vibrations for machinery monitoring.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003eQ: Can the transmitter be hot-swapped?\u003cbr\u003e\nA: No. Disconnecting the loop interrupts the 4-20 mA signal. Remove power or bypass the loop before replacement.\u003c\/p\u003e\n\n\u003cp\u003eQ: What cable length is supported?\u003cbr\u003e\nA: Total loop resistance including cable and receiver must stay below the specified load limit for 24 VDC supply. Use shielded twisted-pair.\u003c\/p\u003e\n\n\u003cp\u003eQ: Is it compatible with 3500 monitor racks?\u003cbr\u003e\nA: Yes, via a 4-20 mA input module. Direct connection to proximity probe inputs is not supported.\u003c\/p\u003e\n\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\n\u003col\u003e\n\u003cli\u003eMount on a flat machined surface. Tighten stud to specified torque. No washer between base and surface.\u003c\/li\u003e\n\u003cli\u003eApply silicone grease to mounting surface. Avoid air gaps.\u003c\/li\u003e\n\u003cli\u003eRoute cable away from AC drives (300 mm min) and 24 VDC wiring (150 mm min).\u003c\/li\u003e\n\u003cli\u003eGround shield at monitor end only.\u003c\/li\u003e\n\u003cli\u003eVerify loop current with milliammeter before monitor connection. 12 mA = zero vibration.\u003c\/li\u003e\n\u003cli\u003eFor NPT entries, engage 5 threads minimum. Seal conduit fitting only.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52903695122564,"sku":"177230-02-02-CN","price":229.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/7454\/7844\/files\/177230-02-02-CN.jpg?v=1790316903","url":"https:\/\/www.etowonauto.com\/nl\/products\/177230-02-02-cn-bently-nevada-4-20-ma-seismic-transmitter","provider":"Etowon Auto","version":"1.0","type":"link"}