{"product_id":"hm-digital-qc-1-quick-check-tds-monitor-1-4-push-in","title":"HM Digital QC-1 Quick Check TDS Monitor 1\/4\" Push-in","description":"With the push of a button the HM Digital QC-1 displays a green or red light, indicating good water quality, or service required, respectively. \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003eTests for TDS or conductivity levels.\u003c\/li\u003e\n\u003cli\u003eEight programmable set points (by dip switch).\u003c\/li\u003e\n\u003cli\u003eBright LED lights\u003c\/li\u003e\n\u003cli\u003eFactory calibrated to 100 ppm NaCl. Recalibration is unecessary.\u003c\/li\u003e\n\u003cli\u003eExcellent reverse osmosis or deionization monitor\u003c\/li\u003e\n\u003cli\u003eAvailable with 1\/4\" quick connect tee or with no fitting\u003c\/li\u003e\n\u003cli\u003eInstalls quickly and easily\u003c\/li\u003e\n\u003c\/ul\u003e  Use the following formula to calculate the percentage of solids (TDS) that your membrane is removing:","brand":"HM Digital","offers":[{"title":"No Fitting","offer_id":46610209865917,"sku":"QC-1-NF","price":19.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/2434\/4509\/files\/ungj4bzheybqocrobuwi.jpg?v=1775575786","url":"https:\/\/northamericanrainsystems.com\/products\/hm-digital-qc-1-quick-check-tds-monitor-1-4-push-in","provider":"North American Rain Systems","version":"1.0","type":"link"}