{"product_id":"emerson-389-01-12-55-rosemount-ph-orp-sensor","title":"Emerson 389-01-12-55 Rosemount pH\/ORP Sensor","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eWhen sensor poisoning or glass cracking jeopardizes process control, the Emerson 389-01-12-55 Rosemount pH\/ORP sensor delivers exceptional reliability. Built with a rugged Tefzel body and Viton O-rings, it provides superior chemical resistance. The triple junction reference extends sensor life by protecting against poisoning ions such as ammonia, chlorine, cyanides, and sulfides. The cracking-resistant glass electrode ensures stable performance in high pH applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTriple junction reference extends sensor life\u003c\/li\u003e\n\u003cli\u003eCracking resistant glass for enhanced durability\u003c\/li\u003e\n\u003cli\u003eRugged Tefzel body with Viton O-rings\u003c\/li\u003e\n\u003cli\u003e1-inch MNPT process connections front and rear\u003c\/li\u003e\n\u003cli\u003eVariopol VP8 cable option for quick release\u003c\/li\u003e\n\u003cli\u003eIntegral SMART preamplifier for calibration storage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eIndustry Applications\u003c\/h2\u003e\u003cp\u003eThe Emerson 389-01-12-55 excels in chemical processing, wastewater treatment, and other harsh environments where sensor longevity is critical. Its robust design resists aggressive chemicals and prevents failure due to poisoning. This sensor covers the complete pH scale and a wide ORP measurement range, making it versatile for many industrial processes.\u003c\/p\u003e\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\u003cp\u003eInstall the Emerson 389-01-12-55 easily using its 1-inch MNPT connections. The molded body allows mounting in insertion, submersion, or flow-through configurations. Choose the Variopol VP8 connector for tool-less cable changes. The sensor can be pre-calibrated with compatible Rosemount transmitters for plug-and-play field installation.\u003c\/p\u003e\u003ch2\u003eMaintenance and Reliability\u003c\/h2\u003e\u003cp\u003eRoutine maintenance is simplified by automatic sensor recognition and stored calibration data in the integral SMART preamplifier. The triple junction design reduces replacement frequency, lowering total cost of ownership. Regular inspection of O-rings and electrode condition ensures continued performance. The Emerson 389-01-12-55 is engineered for long service life in demanding conditions.\u003c\/p\u003e\u003ch2\u003eCompatibility and Integration\u003c\/h2\u003e\u003cp\u003eThe Emerson 389-01-12-55 works seamlessly with Rosemount transmitters such as models 56, 1056, 1057, 1066, and 5081 when using the appropriate preamplifier cable code. The integral SMART preamplifier stores pH calibration data, enabling quick replacement without manual recalibration.\u003c\/p\u003e\u003ch2\u003eSelection Guide\u003c\/h2\u003e\u003cp\u003eWhen ordering the Emerson 389-01-12-55, verify the cable length and preamplifier configuration to match your transmitter. Contact UBEST Automation for assistance with selecting the correct model for your application. We stock this sensor and can advise on accessories such as mounting hardware and extension cables.\u003c\/p\u003e","brand":"Emerson","offers":[{"title":"Default","offer_id":44404546863203,"sku":"Emerson 389-01-12-55","price":290.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/AGS813-S10_2.jpg?v=1785069751","url":"https:\/\/www.plcsourcepro.com\/products\/emerson-389-01-12-55-rosemount-ph-orp-sensor","provider":"PLC Source PRO","version":"1.0","type":"link"}