{"product_id":"milwaukee-cd600-tds-economical-pocket-tester","title":"Milwaukee CD600 Digital TDS Meter – Pocket Water Tester","description":"\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMilwaukee CD600 Digital TDS Meter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a compact, economical tester designed to measure total dissolved solids (TDS) in water. With a measurement range of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e0–1,990 ppm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, it provides a convenient way to monitor dissolved-solids levels in aquariums, hydroponic nutrient solutions, horticultural systems and water-treatment applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEasy to operate and small enough to carry in your pocket, the CD600 is ideal for routine water checks where a quick TDS reading is required. Its automatic temperature compensation helps account for temperature differences, while simple one-point calibration allows the meter to be recalibrated when necessary.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you are checking aquarium water, monitoring nutrient solutions or assessing the performance of water filtration systems, the Milwaukee CD600 offers a straightforward approach to everyday TDS testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e0–1,990 ppm measuring range\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – suitable for low-to-moderate TDS applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e10 ppm resolution\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – displays readings in practical 10 ppm increments.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e±2% full-scale accuracy\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – provides dependable measurements for routine monitoring.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAutomatic Temperature Compensation (ATC)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – compensates for temperature variation from 5 to 50°C.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSimple one-point calibration\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – manual calibration using the adjustment trimmer.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFactory calibrated\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – ready for use, with the option to recalibrate when required.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePocket-sized design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – lightweight and convenient for portable water testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBattery powered\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – uses four 1.5V alkaline batteries.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eWhy Measure Total Dissolved Solids?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eTotal dissolved solids (TDS) describes the concentration of dissolved substances in water, including dissolved salts and minerals. TDS measurements are commonly used to monitor water composition and identify changes over time.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRegular testing can help:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMonitor dissolved-solids levels in aquarium and freshwater systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCheck nutrient-solution consistency in hydroponic applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompare water quality before and after filtration.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMonitor changes in water sources.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMaintain consistent water conditions as part of a wider testing routine.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eFor aquariums and aquaculture systems, TDS can provide useful supporting information about water composition. It should not be used as a substitute for testing individual parameters such as pH, ammonia, nitrite, nitrate or dissolved oxygen.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAutomatic Temperature Compensation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eTemperature can influence conductivity measurements and, consequently, calculated TDS readings.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Milwaukee CD600 features automatic temperature compensation from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e5 to 50°C\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, helping to account for temperature variation during measurement.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis makes it practical for routine testing where samples may not always be at the same temperature.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSimple One-Point Calibration\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe CD600 is factory calibrated and can be recalibrated manually using a suitable TDS calibration solution.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor this model, Milwaukee specifies the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eM10032B 1382 ppm TDS calibration solution\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCalibration is performed using the adjustment trimmer and a small screwdriver. Regular calibration helps maintain confidence in readings, particularly when the tester is used frequently.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eUnderstanding TDS and EC\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eTDS and electrical conductivity (EC) are closely related, but they are not the same measurement.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEC measures how readily water conducts electricity, while TDS meters use conductivity to estimate the concentration of dissolved solids and display the result in parts per million (ppm).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDifferent conversion scales are used, including the 500, 650 and 700 scales. As a result, two TDS meters using different conversion factors may display different ppm readings for the same water sample.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor consistent monitoring, use the same measurement scale when comparing readings over time.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCare and Maintenance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eTo help maintain reliable performance:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRinse the sensing area with clean tap or deionised water after every use.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRemove any nutrient or mineral residue from the sensing area.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid touching the metal sensing elements.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eReplace the protective cap after use.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRecalibrate periodically or whenever readings become questionable.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUse fresh calibration solution and avoid contaminating the solution during calibration.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMilwaukee CD600\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMeasurement\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTotal Dissolved Solids (TDS)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMeasuring range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0–1,990 ppm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eResolution\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10 ppm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAccuracy\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e±2% full scale\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCalibration\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eManual, one point\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRecommended calibration solution\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMilwaukee M10032B, 1382 ppm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTemperature compensation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAutomatic, 5–50°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating environment\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5–50°C, maximum 95% RH\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower supply\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 × 1.5V alkaline batteries\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBattery life\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 300 hours\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e150 × 30 × 24 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e85 g\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cspan\u003eSupplied with\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMilwaukee CD600 digital TDS tester\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eProtective cap\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFour 1.5V alkaline batteries\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eA Convenient TDS Tester for Everyday Water Monitoring\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Milwaukee CD600 combines simple operation, automatic temperature compensation and a practical 0–1,990 ppm range in a compact pocket-sized instrument.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt is a useful choice for aquarium keepers, hydroponic growers and anyone who needs a straightforward way to monitor dissolved-solids levels in water.\u003c\/span\u003e\u003c\/p\u003e","brand":"Milwaukee","offers":[{"title":"Default Title","offer_id":33065708879926,"sku":"MS-CD600","price":27.59,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0247\/9531\/6278\/products\/milwaukee-cd600-digital-total-dissolved-solids-pen-tds-ms-cd600-3457555.jpg?v=1757079693","url":"https:\/\/groaqua.store\/en-gb\/products\/milwaukee-cd600-tds-economical-pocket-tester","provider":"GroAqua","version":"1.0","type":"link"}