{"product_id":"hanna-hi981520-marine-monitor-continuous-ph-salinity-temperature-monitor","title":"Hanna HI981520 Marine Monitor – Continuous pH, Salinity \u0026 Temperature Monitor","description":"\u003ch1 class=\"PDq2pG_selectionAnchorContainer\"\u003e\n\u003cspan role=\"text\"\u003e\u003cstrong\u003eContinuous Monitoring for a Healthier Marine Aquarium\u003c\/strong\u003e\u003c\/span\u003e\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/PXtyfT4Kckw?si=qpCrF_Lt7wf2dFNA\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003eKeep a constant eye on your aquarium's most important water parameters with the \u003cstrong\u003eHanna HI981520 Marine Monitor\u003c\/strong\u003e. Designed specifically for saltwater aquariums, reef systems, mixing stations, and marine aquaculture, this advanced monitor continuously displays \u003cstrong\u003epH, marine salinity, and temperature\u003c\/strong\u003e on a large, easy-to-read LCD screen.\u003c\/p\u003e\n\u003cp\u003eInstead of constantly reaching for handheld testers, the HI981520 provides \u003cstrong\u003e24\/7 real-time monitoring\u003c\/strong\u003e, allowing you to quickly spot changes before they become problems. Built-in programmable high and low alarms notify you whenever pH, salinity, or temperature moves outside your desired range, giving you peace of mind whether you're home or away.\u003c\/p\u003e\n\u003cp\u003eThe monitor features a durable \u003cstrong\u003eHI1286 double-junction pH electrode\u003c\/strong\u003e along with an integrated marine conductivity and temperature probe. Automatic temperature compensation ensures dependable salinity measurements, while simple calibration procedures make setup quick and maintenance easy. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you're maintaining a thriving SPS reef, a fish-only marine aquarium, or a professional coral grow-out system, the HI981520 delivers the continuous monitoring needed to help maintain stable water conditions.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eContinuously monitors \u003cstrong\u003epH, Marine Salinity, and Temperature\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eLarge backlit LCD for easy viewing\u003c\/li\u003e\n\u003cli\u003eProgrammable high and low alarms for all monitored parameters\u003c\/li\u003e\n\u003cli\u003eSimultaneous display of all three measurements\u003c\/li\u003e\n\u003cli\u003eAutomatic Temperature Compensation (ATC)\u003c\/li\u003e\n\u003cli\u003eWaterproof probes designed for long-term aquarium use\u003c\/li\u003e\n\u003cli\u003eManual or automatic two-point pH calibration\u003c\/li\u003e\n\u003cli\u003eAutomatic one-point salinity calibration (35.00 ppt)\u003c\/li\u003e\n\u003cli\u003eDurable IP65-rated enclosure\u003c\/li\u003e\n\u003cli\u003eIdeal for reef aquariums, fish-only systems, mixing stations, and aquaculture facilities \u003cspan class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003ePerfect For\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eReef Aquariums\u003c\/li\u003e\n\u003cli\u003eSPS Reef Systems\u003c\/li\u003e\n\u003cli\u003eMixed Reefs\u003c\/li\u003e\n\u003cli\u003eFish-Only Marine Aquariums\u003c\/li\u003e\n\u003cli\u003eSaltwater Mixing Stations\u003c\/li\u003e\n\u003cli\u003eCoral Grow-Out Systems\u003c\/li\u003e\n\u003cli\u003eProfessional Aquarium Maintenance\u003c\/li\u003e\n\u003cli\u003eMarine Aquaculture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e HI981520\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH Range:\u003c\/strong\u003e 0.0–14.0 pH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH Resolution:\u003c\/strong\u003e 0.1 pH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH Accuracy:\u003c\/strong\u003e ±0.2 pH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSalinity Range:\u003c\/strong\u003e 0.0–70.0 ppt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePSU Range:\u003c\/strong\u003e 0.0–70.0 PSU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific Gravity Range:\u003c\/strong\u003e 1.000–1.041 S.G.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e 32.0–122.0°F (0.0–50.0°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Accuracy:\u003c\/strong\u003e ±0.5°C (±1°F)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAutomatic Temperature Compensation\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Rating:\u003c\/strong\u003e IP65\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 12 VDC Adapter (Included) \u003cspan class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHanna HI981520 Marine Monitor\u003c\/li\u003e\n\u003cli\u003eHI1286 Double-Junction pH Electrode\u003c\/li\u003e\n\u003cli\u003eConductivity \u0026amp; Temperature Probe\u003c\/li\u003e\n\u003cli\u003epH 7.01 Calibration Solution (2 Sachets)\u003c\/li\u003e\n\u003cli\u003epH 10.01 Calibration Solution (2 Sachets)\u003c\/li\u003e\n\u003cli\u003e35.00 ppt Salinity Calibration Solution (2 Sachets)\u003c\/li\u003e\n\u003cli\u003eElectrode Cleaning Solution (2 Sachets)\u003c\/li\u003e\n\u003cli\u003eSuction Cup Mounts\u003c\/li\u003e\n\u003cli\u003eSelf-Adhesive Fasteners\u003c\/li\u003e\n\u003cli\u003e12V Power Adapter\u003c\/li\u003e\n\u003cli\u003eProbe Quality Certificate\u003c\/li\u003e\n\u003cli\u003eInstrument Quality Certificate\u003c\/li\u003e\n\u003cli\u003eQuick Start Guide \u003cspan class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eWhy You'll Love It\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003eWater parameter stability is one of the keys to long-term reef success. The HI981520 gives you constant visibility into your aquarium's pH, salinity, and temperature without the need for repeated manual testing. Built-in alarms help you catch issues early, while continuous monitoring provides added confidence when you're away from your aquarium.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eWhy Buy from Infinity and Beyond Aquatics?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003eAt Infinity and Beyond Aquatics, we offer trusted equipment chosen by experienced reef hobbyists and professionals. The Hanna HI981520 is an excellent solution for aquarists looking to simplify monitoring while maintaining stable water conditions for healthy fish and thriving corals.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eShipping Information\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eShipping Available Nationwide\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis item ships within \u003cstrong\u003e1–3 business days\u003c\/strong\u003e, and tracking information will be emailed as soon as your order ships.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFREE Standard Shipping\u003c\/strong\u003e on qualifying orders over \u003cstrong\u003e$100\u003c\/strong\u003e (U.S. only)\u003c\/li\u003e\n\u003cli\u003eOrders below the free shipping threshold are calculated at checkout based on your selected shipping method.\u003c\/li\u003e\n\u003cli\u003eThis item is carefully packaged to help ensure it arrives in excellent condition.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SWA","offers":[{"title":"Default Title","offer_id":53249217003829,"sku":"Hanna-Marine-Monitor-Controller","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0964\/2252\/7285\/files\/Marine-Monitor-and-Box-1000x1000__51915.jpg?v=1785877013","url":"https:\/\/infinityandbeyondaquatics.com\/products\/hanna-hi981520-marine-monitor-continuous-ph-salinity-temperature-monitor","provider":"Infinity and Beyond Aquatics ","version":"1.0","type":"link"}