{"product_id":"hm-digital-dm-1-in-line-dual-tds-monitor-0-9990-ppm-range-2-readout-blue-white","title":"HM Digital DM-1 In-Line Dual TDS Monitor | 0-9990 ppm Range, +\/- 2% Readout, Blue \u0026 White","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe HM Digital DM-1 is an in-line dual TDS monitor designed to sit alongside your filtration setup. With a crisp blue and white enclosure, this compact unit tracks the TDS levels as water flows from source to product.\u003c\/p\u003e\u003ch3\u003eWhat it measures\u003c\/h3\u003e\u003cp\u003eTwo electrode probes show TDS in feed water and in purified water, helping you observe how your filtration system performs in real time. The device covers a broad 0 to 9990 ppm range and offers a readout that stays reliable within about 2 percent of the measured value.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDual inline sensors provide feed and product water readings\u003c\/li\u003e\n\u003cli\u003eMeasurement range spans 0 to 9990 ppm with +\/- 2% accuracy\u003c\/li\u003e\n\u003cli\u003eMicroprocessor-based readout for efficient and stable results\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\u003cp\u003eEverything you need to monitor TDS arrives ready to install. The kit includes batteries, two sensors, and two 1\/4 inch quick-connect fittings, plus the mounting hardware you need for quick setup.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2 sensors for IN and OUT measurements\u003c\/li\u003e\n\u003cli\u003e2 x 1\/4 inch quick-connect fittings\u003c\/li\u003e\n\u003cli\u003eBatteries powered for portability\u003c\/li\u003e\n\u003cli\u003eBasic mounting hardware and setup guide\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePractical uses\u003c\/h3\u003e\u003cp\u003eInstall the DM-1 on reverse osmosis, deionization, or other inline filtration to observe how effectively the system reduces dissolved solids. It works well for under-sink setups, coolers, or any inline filtration where a quick TDS check is helpful.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTrack filter performance over time\u003c\/li\u003e\n\u003cli\u003eQuick checks at the point of entry and point of use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow to read and install\u003c\/h3\u003e\u003cp\u003ePlace the IN sensor on incoming water and the OUT sensor after your filtration stage. The clear readout presents TDS values at a glance, enabling you to gauge membrane or cartridge effectiveness without guesswork.\u003c\/p\u003e\u003ch3\u003eWhy consider the DM-1\u003c\/h3\u003e\u003cp\u003eThe DM-1 combines ease of use with precise sensing, offering a clear display and simple inline installation. While not a guarantee of results, it provides a practical way to verify filtration behavior and monitor water quality in evolving systems.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does the DM-1 monitor measure?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It tracks TDS in both incoming tap water and purified output to help assess filtration performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is included in the package?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Batteries, two sensors, and two 1\/4 inch quick-connect fittings are included.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":48191696077044,"sku":"B001EHAZGW","price":30.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/6652\/0820\/files\/hm-digital-dm-1-in-line-dual-tds-monitor.jpg?v=1778394664","url":"https:\/\/www.cerapatiogarden.com\/products\/hm-digital-dm-1-in-line-dual-tds-monitor-0-9990-ppm-range-2-readout-blue-white","provider":"Cera Garden","version":"1.0","type":"link"}