{"product_id":"liebert-4c13121g6s","title":"Liebert 4C13121G6S Board","description":"\u003cp\u003eThe \u003cstrong\u003eLiebert 4C13121G6S Temperature \u0026amp; Humidity Sensor Board\u003c\/strong\u003e is a critical precision monitoring component designed for integration with \u003cstrong\u003eVertiv Liebert thermal management systems\u003c\/strong\u003e. As a veteran-grade replacement for the \u003cstrong\u003e4C13121G4S\u003c\/strong\u003e, this board provides the high-fidelity environmental data necessary for \u003cstrong\u003edata center climate control\u003c\/strong\u003e and mission-critical \u003cstrong\u003eHVACR\u003c\/strong\u003e stability. By delivering real-time sensing to the main control logic, it ensures accurate calculation of \u003cstrong\u003esensible and latent cooling loads\u003c\/strong\u003e, preventing equipment overheating and moisture-related failures in sensitive electronic environments.\u003c\/p\u003e\n\n\u003cp\u003eThis \u003cstrong\u003eOEM sensor board\u003c\/strong\u003e is engineered to withstand the continuous operational demands of \u003cstrong\u003eprecision cooling units\u003c\/strong\u003e like the Challenger 3000 and DS series. It facilitates seamless \u003cstrong\u003eenvironmental monitoring\u003c\/strong\u003e by relaying precise atmospheric feedback to the system's processor, allowing for instantaneous adjustments to fan speeds and compressor staging. For contractors maintaining \u003cstrong\u003ecritical infrastructure\u003c\/strong\u003e, using this authentic \u003cstrong\u003eLiebert replacement part\u003c\/strong\u003e is essential to maintain system calibration and ensure \u003cstrong\u003ehigh-efficiency thermal management\u003c\/strong\u003e without the communication errors often associated with generic alternatives.\u003c\/p\u003e\n\n\u003cstrong\u003eKey Benefits\u003c\/strong\u003e\n\u003cul\u003e\n  \u003cli\u003eEnsures accurate \u003cstrong\u003eLiebert temperature and humidity sensor\u003c\/strong\u003e calibration for precise environmental regulation.\u003c\/li\u003e\n  \u003cli\u003eDirect \u003cstrong\u003e4C13121G6S\u003c\/strong\u003e factory replacement ensures plug-and-play compatibility with existing \u003cstrong\u003eVertiv monitoring systems\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003eMinimizes downtime by providing reliable telemetry to the primary \u003cstrong\u003eHVAC control board\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003eOptimizes energy efficiency by preventing unnecessary cooling or dehumidification cycles.\u003c\/li\u003e\n  \u003cli\u003eIndustrial-grade build quality designed for 24\/7 service in server rooms and laboratories.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 4C13121G6S compatible with older Liebert units?\u003c\/strong\u003e\u003cbr\u003e\nYes, this board is the direct factory-authorized replacement for the earlier 4C13121G4S model and is compatible with most Liebert precision cooling frames requiring a dedicated sensor interface.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDo I need to recalibrate the system after installing this sensor board?\u003c\/strong\u003e\u003cbr\u003e\nWhile the board is calibrated at the factory, it is a professional best practice to verify readings against a NIST-certified handheld hygrometer after installation to ensure the entire control loop is accurate.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat are the signs of a failing sensor board?\u003c\/strong\u003e\u003cbr\u003e\nCommon indicators include erratic humidity swings on the display, \"Sensor Failure\" alarms, or the cooling unit failing to stage correctly despite obvious changes in room conditions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong style=\"color: red;\"\u003eThis item is not eligible for free shipping.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDisclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.\u003c\/p\u003e","brand":"Liebert","offers":[{"title":"Default Title","offer_id":44970361389234,"sku":"4C13121G6S","price":876.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Pic_aa308329-75dc-49cd-ad65-212afe85e82c.png?v=1747955390","url":"https:\/\/www.gsistore.com\/products\/liebert-4c13121g6s","provider":"GSIstore","version":"1.0","type":"link"}