{"product_id":"hm-digital-pro-series-com-300-pen-style-ph-tds-temp-meter","title":"HM Digital - Pro Series COM-300 Pen Style pH\/TDS\/Temp Meter","description":"\u003ch2\u003eHM Digital Pro Series COM-300 Pen Style pH\/TDS\/Temp Meter\u003c\/h2\u003e\u003cp\u003eThe HM Digital COM-300 is a waterproof Professional Series combo meter that measures pH, electrical conductivity (EC), total dissolved solids (TDS) and temperature with a single pen. Five selectable scales - pH, uS, mS, ppm 0.5 (NaCl) and ppm 0.7 (442) - and automatic temperature compensation make it a one-tool check for nutrient solutions and process water.\u003c\/p\u003e\u003cp\u003eThe COM-300 suits growers and facility operators who want pH and EC\/TDS from one instrument during reservoir checks, irrigation audits and water-treatment rounds in indoor cultivation and controlled-environment agriculture. The IP-67 housing is submersible and floats, calibration is push-button for both pH and EC\/TDS, and the combined pH\/EC sensor (model SP-C3) is replaceable.\u003c\/p\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eCOM-300 meter - ships with translucent cap, 2 AAA alkaline batteries, pH 4 and pH 7 calibration solutions, pH storage solution and lanyard\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMeasures pH, EC, TDS and temperature\u003c\/li\u003e\n\u003cli\u003eFive scales: pH, uS, mS, ppm 0.5 (NaCl) and ppm 0.7 (442)\u003c\/li\u003e\n\u003cli\u003epH range 0.0 - 14.0; EC range 0 - 9990 uS (0 - 9.99 mS); TDS range 0 - 8560 ppm (0.7 scale) or 0 - 5000 ppm (0.5 scale)\u003c\/li\u003e\n\u003cli\u003eResolution 0.1 pH; 1 uS (0 - 999) \/ 10 uS (1000 - 9990); 1 ppm \/ 10 ppm TDS; 0.1 deg temperature\u003c\/li\u003e\n\u003cli\u003eAccuracy +\/- 0.1 pH, +\/- 2% EC\/TDS, +\/- 1 deg C\/F\u003c\/li\u003e\n\u003cli\u003eAutomatic temperature compensation (ATC) using three temperature coefficients\u003c\/li\u003e\n\u003cli\u003ePush-button pH auto-calibration at pH 4, 7 or 10 with fine-tuning; EC\/TDS digital calibration to any point in range\u003c\/li\u003e\n\u003cli\u003eIP-67 waterproof housing - submersible and floats\u003c\/li\u003e\n\u003cli\u003eReplaceable pH\/EC\/TDS\/temp sensor (model SP-C3) with glass pH bulb and reference tube\u003c\/li\u003e\n\u003cli\u003eAuto-off after 5 minutes, data-hold and low-battery indicator; approx. 100 hours of battery life\u003c\/li\u003e\n\u003cli\u003e18.5 x 3.4 x 3.4 cm (7.3 x 1.3 x 1.3 in)\u003c\/li\u003e\n\u003cli\u003eOne-year limited warranty on the meter; six-month warranty on the SP-C3 sensor\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCombined pH and EC\/TDS checks of hydroponic nutrient solutions\u003c\/li\u003e\n\u003cli\u003eFertigation and dosing verification\u003c\/li\u003e\n\u003cli\u003eIrrigation, RO and source water testing\u003c\/li\u003e\n\u003cli\u003eAquaculture and general water-treatment testing\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Global Garden Company","offers":[{"title":"Default Title","offer_id":53075644514615,"sku":"BL226248","price":159.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/0341\/5863\/files\/hm-com300_1.jpg?v=1790824298","url":"https:\/\/www.blacklabelsupply.io\/products\/hm-digital-pro-series-com-300-pen-style-ph-tds-temp-meter","provider":"BLACK LABEL","version":"1.0","type":"link"}