{"product_id":"bently-nevada-133388-02-3500-50-tachometer-module","title":"Bently Nevada 133388-02 3500\/50 Tachometer Module","description":"\u003ch2\u003eBently Nevada 133388-02 3500\/50 Tachometer Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 133388-02\u003c\/strong\u003e serves as the primary \u003cstrong\u003e3500\/50\u003c\/strong\u003e Tachometer Module utilized to execute shaft rotative speed, rotor acceleration, and rotor direction determination across 3500 Machinery Protection System platforms.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e133388-02\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\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e2.6 cm x 25.8 cm x 24 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-30 to +65 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e5.8 watts typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Input Type\u003c\/td\u003e\n\u003ctd\u003eProximity probes, magnetic pickups\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTariff Code\u003c\/td\u003e\n\u003ctd\u003e8537101190\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEddy-Current Probe Scaling and Rotor Dynamics\u003c\/h3\u003e\n\u003cp\u003eThe module processes raw voltage transitions from proximity transducers or magnetic pickups to evaluate instantaneous rotor dynamics. When interfacing with proximity probes, verification of the gap voltage scaling targeting -10 VDC is required to guarantee the transducer operates within its linear calibration range. The conditioning circuitry integrates active cross-talk suppression between the two independent channels to eliminate phase measurement errors or false speed pulses generated by adjacent sensor cabling. The high-speed logic backplane extracts speed bands, acceleration patterns, and reverse rotation indications synchronously, updating the rack monitoring registers within defined processing intervals.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What programming software is required to configure the speed band options on the 133388-02?\u003c\/p\u003e\n\u003cp\u003eA: Configuration of all four operating modes—including speed monitoring, speed band alarming, zero speed notification, and reverse rotation—is managed exclusively through the 3500 Rack Configuration Software.\u003c\/p\u003e\n\u003cp\u003eQ: Can this specific module interface with all standard speed sensor types?\u003c\/p\u003e\n\u003cp\u003eA: The module accepts inputs from standard proximity probes and magnetic pickups, except for specific restricted transducer models outlined in the official hardware exclusions list.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Integrity and Grounding:\u003c\/strong\u003e Transducer instrumentation cable shields must be isolated at the sensor end and terminated strictly to the 3500 rack chassis ground bar. Dual-point grounding must be avoided to prevent ground loops from injecting high-frequency electrical noise into the speed pulse detection circuitry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConduit Segregation:\u003c\/strong\u003e All input signal paths for proximity or magnetic pickups must be run in dedicated low-voltage instrument conduits. Do not route these lines adjacent to or within the same trays as AC power lines or switching motor control cables.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Screw Torque:\u003c\/strong\u003e Ensure all rear-panel terminal blocks are torqued down securely to factory tightening tolerances to maintain structural connection stability in high-vibration industrial environments.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":44317319823459,"sku":null,"price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/133388-02-1.jpg?v=1783303873","url":"https:\/\/precisemodule.com\/products\/bently-nevada-133388-02-3500-50-tachometer-module","provider":"Precise Module Ltd.","version":"1.0","type":"link"}