{"product_id":"hm-digital-meters-com-80-ec-tds-temp-waterproof-hydro-tester","title":"HM Digital Meters COM-80 EC\/TDS\/Temp Waterproof Hydro Tester","description":"\u003ch2 style='box-sizing: border-box; margin: 30px 0px 10px; padding: 10px 0px 5px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 27px; line-height: 1em; font-family: open_sanslight, \"DejaVu Sans\", Verdana, Arial, sans-serif; vertical-align: baseline; color: rgb(85, 85, 85); zoom: 1;'\u003e\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; zoom: 1;\"\u003eThe COM-80 is an economically priced, reliable EC\/TDS meter that is ideal for testing applications such as hydroponics \u0026amp; gardening, pools \u0026amp; spas, aquariums \u0026amp; reef tanks, water ionizers, drinking water and more.\u003c\/span\u003e\u003c\/h2\u003e\r\n\r\n\u003cp style='box-sizing: border-box; margin: 0in 0in 10pt; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: normal; font-family: open_sansregular, \"DejaVu Sans\", Verdana, Arial, sans-serif; vertical-align: baseline; zoom: 1; color: rgb(85, 85, 85);'\u003e\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; zoom: 1;\"\u003eMeasures electrical conductivity (EC), total dissolved solids (TDS).  Excellent for hydroponic nutrient testing.\u003c\/span\u003e\u003c\/p\u003e\r\n\r\n\u003cp style='box-sizing: border-box; margin: 0in 0in 10pt; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: normal; font-family: open_sansregular, \"DejaVu Sans\", Verdana, Arial, sans-serif; vertical-align: baseline; zoom: 1; color: rgb(85, 85, 85);'\u003e\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; zoom: 1;\"\u003eFour scales: EC: µS, mS;  TDS: ppm, ppt  \u003c\/span\u003e\u003c\/p\u003e\r\n\r\n\u003cp style='box-sizing: border-box; margin: 0in 0in 10pt; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: normal; font-family: open_sansregular, \"DejaVu Sans\", Verdana, Arial, sans-serif; vertical-align: baseline; zoom: 1; color: rgb(85, 85, 85);'\u003e\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; zoom: 1;\"\u003eAutomatic Temperature Compensation (ATC)\u003c\/span\u003e\u003c\/p\u003e\r\n\r\n\u003cp style='box-sizing: border-box; margin: 0in 0in 10pt; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: normal; font-family: open_sansregular, \"DejaVu Sans\", Verdana, Arial, sans-serif; vertical-align: baseline; zoom: 1; color: rgb(85, 85, 85);'\u003e\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; zoom: 1;\"\u003eWater resistant\u003c\/span\u003e\u003c\/p\u003e\r\n\r\n\u003cp style='box-sizing: border-box; margin: 0in 0in 10pt; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: normal; font-family: open_sansregular, \"DejaVu Sans\", Verdana, Arial, sans-serif; vertical-align: baseline; zoom: 1; color: rgb(85, 85, 85);'\u003e\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; zoom: 1;\"\u003eMeasurement Range: 0-9990 \u003cem style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; zoom: 1;\"\u003eµ\u003c\/em\u003eS; 0-5000 ppm; 0-9.9 mS; 0-5.0 ppt \u003c\/span\u003e\u003c\/p\u003e\r\n\r\n\u003cp style='box-sizing: border-box; margin: 0in 0in 10pt; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: normal; font-family: open_sansregular, \"DejaVu Sans\", Verdana, Arial, sans-serif; vertical-align: baseline; zoom: 1; color: rgb(85, 85, 85);'\u003e\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; zoom: 1;\"\u003eDigital Calibration (push button) to any point within the meter's range\u003c\/span\u003e\u003c\/p\u003e\r\n\r\n\u003cp style='box-sizing: border-box; margin: 0in 0in 10pt; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: normal; font-family: open_sansregular, \"DejaVu Sans\", Verdana, Arial, sans-serif; vertical-align: baseline; zoom: 1; color: rgb(85, 85, 85);'\u003e\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; zoom: 1;\"\u003eAuto-off function, data-hold function and low-battery indicator\u003c\/span\u003e\u003c\/p\u003e\r\n\r\n\u003cp style='box-sizing: border-box; margin: 0in 0in 10pt; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: normal; font-family: open_sansregular, \"DejaVu Sans\", Verdana, Arial, sans-serif; vertical-align: baseline; zoom: 1; color: rgb(85, 85, 85);'\u003e\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; zoom: 1;\"\u003eDisplay: large and easy-to-read LCD screen includes simultaneous temperature reading\u003c\/span\u003e\u003c\/p\u003e\r\n\r\n\u003cp style='box-sizing: border-box; margin: 0in 0in 10pt; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: normal; font-family: open_sansregular, \"DejaVu Sans\", Verdana, Arial, sans-serif; vertical-align: baseline; zoom: 1; color: rgb(85, 85, 85);'\u003e\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; zoom: 1;\"\u003eFactory Calibrated: The COM-80 meter is calibrated with a 1413 \u003cem style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; zoom: 1;\"\u003eµ\u003c\/em\u003eS solution—can be recalibrated with digital calibration using the push buttons\u003c\/span\u003e\u003c\/p\u003e\r\n\r\n\u003cp style='box-sizing: border-box; margin: 0in 0in 10pt; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: normal; font-family: open_sansregular, \"DejaVu Sans\", Verdana, Arial, sans-serif; vertical-align: baseline; zoom: 1; color: rgb(85, 85, 85);'\u003e\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; zoom: 1;\"\u003eIncludes a protective cap and batteries.\u003c\/span\u003e\u003c\/p\u003e\r\n\r\n\u003cp style='box-sizing: border-box; margin: 0in 0in 10pt; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: normal; font-family: open_sansregular, \"DejaVu Sans\", Verdana, Arial, sans-serif; vertical-align: baseline; zoom: 1; color: rgb(85, 85, 85);'\u003e\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; zoom: 1;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\r\n\r\n\u003cp style='box-sizing: border-box; margin: 0in 0in 10pt; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: normal; font-family: open_sansregular, \"DejaVu Sans\", Verdana, Arial, sans-serif; vertical-align: baseline; zoom: 1; color: rgb(85, 85, 85);'\u003e\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; zoom: 1;\"\u003eSPECIFICATIONS\u003c\/span\u003e\u003c\/p\u003e\r\n\r\n\u003cp style='box-sizing: border-box; margin: 0px 0px 15px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: open_sansregular, \"DejaVu Sans\", Verdana, Arial, sans-serif; vertical-align: baseline; zoom: 1; color: rgb(85, 85, 85);'\u003e\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; zoom: 1;\"\u003eEC Range: \u003c\/span\u003e\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; zoom: 1;\"\u003e0-9990 \u003cem style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; zoom: 1;\"\u003eµ\u003c\/em\u003eS; 0-9.9 mS  \u003cbr style=\"box-sizing: border-box; zoom: 1;\"\u003e\r\n\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; zoom: 1;\"\u003eTDS Range:\u003c\/span\u003e 0-5000 ppm (mg\/L); 0-5.0 ppt  \u003cbr style=\"box-sizing: border-box; zoom: 1;\"\u003e\r\n\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; zoom: 1;\"\u003eTemperature Range:\u003c\/span\u003e 1-80°C\/33-176°F \u003cbr style=\"box-sizing: border-box; zoom: 1;\"\u003e\r\n\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; zoom: 1;\"\u003eResolution:\u003c\/span\u003e 1 \u003cem style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; zoom: 1;\"\u003eµ\u003c\/em\u003eS\/ppm; 0.1 mS\/ppt   \u003cbr style=\"box-sizing: border-box; zoom: 1;\"\u003e\r\n\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; zoom: 1;\"\u003e     Temp. resolution:\u003c\/span\u003e 0.1°C\/F \u003cbr style=\"box-sizing: border-box; zoom: 1;\"\u003e\r\n\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; zoom: 1;\"\u003eAccuracy:\u003c\/span\u003e +\/- 2% \u003cbr style=\"box-sizing: border-box; zoom: 1;\"\u003e\r\n\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; zoom: 1;\"\u003eEC-to-TDS Conversion Factor:\u003c\/span\u003e NaCl (avg of 0.5) \u003cbr style=\"box-sizing: border-box; zoom: 1;\"\u003e\r\n\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; zoom: 1;\"\u003eCalibration:\u003c\/span\u003e Digital calibration by push button \u003cbr style=\"box-sizing: border-box; zoom: 1;\"\u003e\r\n\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; zoom: 1;\"\u003eProbe:\u003c\/span\u003e Fixed \u003cbr style=\"box-sizing: border-box; zoom: 1;\"\u003e\r\n\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; zoom: 1;\"\u003eHousing:\u003c\/span\u003e Water resistant\u003cbr style=\"box-sizing: border-box; zoom: 1;\"\u003e\r\n\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; zoom: 1;\"\u003ePower source:\u003c\/span\u003e 3 x 1.5V button cell batteries (included)  (model LR44 or equivalent)\u003cbr style=\"box-sizing: border-box; zoom: 1;\"\u003e\r\n\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; zoom: 1;\"\u003eDimensions:\u003c\/span\u003e 15.3 x 3.2 x 1.8 cm (6.0 x 1.3 x 0.7 inches) \u003cbr style=\"box-sizing: border-box; zoom: 1;\"\u003e\r\n\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; zoom: 1;\"\u003eWeight:\u003c\/span\u003e 53.9 g (1.9 oz)\u003c\/span\u003e\u003c\/p\u003e\r\n","brand":"HM Digital Meters","offers":[{"title":"Default Title","offer_id":48723211976959,"sku":"HMDCOM80","price":59.27,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0072\/8324\/5092\/files\/hf_20260721_144748_299f7379-20cf-4e82-a9ad-d75e1f0e93dc.png?v=1784929092","url":"https:\/\/costaricahydroponics.com\/en\/products\/hm-digital-meters-com-80-ec-tds-temp-waterproof-hydro-tester","provider":"Pachamama Indoor Farming Culture","version":"1.0","type":"link"}