{"product_id":"hm-digital-dm-1-dual-tds-meter","title":"HM Digital DM-1 Dual TDS Meter","description":"This water quality tester accurately measures the TDS level in your tap (feed) water and purified (product) water. It enables you to determine just how good or bad your water really is! Use the meter to determine when the reverse osmosis membrane needs replacing. \u003cbr\u003e  \u003cbr\u003e  \u003cb\u003eSpecifications:\u003c\/b\u003e  \u003cul\u003e\n\u003cli\u003eAvailable with 1\/4\" and\/or 3\/8\" quick connect fittings. The DM-1-NF does not come with fittings.\u003c\/li\u003e\n\u003cli\u003eHighly efficient and accurate due to its advanced microprocessor technology\u003c\/li\u003e\n\u003cli\u003eDisplays TDS levels of the feed water and product water with in and out electrode probes\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAuto-off function\u003c\/b\u003e -- Automatically shuts off meter after 10 minutes of non-use to conserve battery power\u003c\/li\u003e\n\u003cli\u003eDual range 0-9990 ppm (from 0 - 999 ppm the resolution is 1 ppm. From 1000 to 9990 ppm, the resolution is 10 ppm, indicated by a blinking 'x10' image)\u003c\/li\u003e\n\u003cli\u003eFactory calibrated -- HM Digital meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.\u003c\/li\u003e\n\u003cli\u003eInstalls quickly and easily\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HM Digital","offers":[{"title":"1\/4\" Feed x 1\/4\" Product","offer_id":46610210488509,"sku":"DM-1-2525","price":28.1,"currency_code":"USD","in_stock":true},{"title":"No Fittings","offer_id":46610210521277,"sku":"DM-1-NF","price":34.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/2434\/4509\/files\/kd3bgeh0pwpyrauejzmq.jpg?v=1775575621","url":"https:\/\/northamericanrainsystems.com\/products\/hm-digital-dm-1-dual-tds-meter","provider":"North American Rain Systems","version":"1.0","type":"link"}