{"product_id":"milwaukee-mw13-digital-iodine-tester","title":"Milwaukee MW13 Digital Iodine Photometer – Water Tester","description":"\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMilwaukee MW13 Digital Iodine Tester\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a compact handheld photometer designed to measure iodine concentration in water. With a measurement range of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e0.0 to 12.5 ppm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, it provides a straightforward way to monitor iodine levels in water-treatment, aquaculture, laboratory and other specialist water-testing applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInstead of relying on visual colour comparison with test strips, the MW13 uses a reagent-based photometric method to produce a digital iodine reading. This makes results easier to read and record, helping users carry out repeatable water-quality checks.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDigital iodine testing for water quality monitoring\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIodine is used in certain water-treatment and disinfection applications, including specialist aquaculture and fish-farming processes. Where iodine levels need to be monitored, the MW13 provides a dedicated measurement instrument.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe tester uses an adaptation of the DPD method described in the \u003c\/span\u003e\u003cem\u003e\u003cspan\u003eStandard Methods for the Examination of Water and Wastewater\u003c\/span\u003e\u003c\/em\u003e\u003cspan\u003e, 18th edition. When the iodine reagent is added to the water sample, it produces a pink colour. The MW13 measures the colour intensity using an optical system and calculates the iodine concentration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe result is displayed directly in ppm, without the need to judge the colour by eye.\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\u003eDedicated iodine measurement:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Designed specifically for iodine testing in water.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMeasurement range:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 0.0–12.5 ppm.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eResolution:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 0.1 ppm.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAccuracy:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ±0.1 ppm ±5% of the reading at 25°C.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDigital display:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Clear numerical results instead of subjective visual colour matching.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eReagent-based method:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Uses Milwaukee iodine powder reagents.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSimple operation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Straightforward sample preparation and measurement process.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eNo manual calibration required:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The instrument uses a sample-zeroing step before the reagent is added.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCompact and portable:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for testing at the point of use.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAutomatic shut-off:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Helps conserve battery power.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eHow the Milwaukee MW13 works\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe MW13 uses a photometric measurement method. The iodine reagent reacts with the sample to produce a pink colour, and the instrument measures the intensity of that colour to calculate the iodine concentration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe basic testing procedure is:\u003c\/span\u003e\u003c\/p\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFill a clean cuvette with 10 mL of the water sample.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePlace the cuvette in the tester and carry out the initial zeroing step.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRemove the cuvette and add one packet of Milwaukee MI527 iodine reagent.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eReplace the cap and shake gently for approximately 20 seconds until the powder dissolves.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eReturn the cuvette to the instrument.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAllow the reaction time of 2 minutes and 30 seconds.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRead the iodine concentration displayed in ppm.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan\u003eAlways follow the supplied instruction manual and use the specified reagent.\u003c\/span\u003e\u003c\/p\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\u003eDetail\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eManufacturer\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMilwaukee Instruments\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMW13\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMeasurement parameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIodine\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMeasurement range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.0–12.5 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\u003e0.1 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±0.1 ppm ±5% of reading at 25°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTypical EMC deviation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e±0.1 ppm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLight source\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLED, 525 nm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLight detector\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSilicon photocell\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMeasurement method\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAdaptation of the DPD method\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSample volume\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10 mL\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0–50°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaximum relative humidity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e95%, non-condensing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBattery\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 × 1.5V AAA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAutomatic shut-off\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAfter 2 minutes of non-use\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\u003e87.5 × 63.7 × 35.2 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\u003eApproximately 65 g\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is included?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Milwaukee MW13 is supplied with:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMW13 digital iodine photometer\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2 sample cuvettes with caps\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e6 iodine powder reagent sachets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e1 × 1.5V AAA battery\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInstruction manual\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eReplacement reagents and accessories\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eFor continued testing, the MW13 requires the correct iodine reagent.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMI527-25 iodine reagent:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Replacement pack containing 25 powder reagent sachets.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMI0011 glass cuvettes:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Replacement sample cuvettes.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMI0013 cuvette stoppers:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Replacement stoppers for compatible cuvettes.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUse only the specified reagent and compatible cuvettes to maintain reliable measurement performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs the Milwaukee MW13 suitable for aquarium and aquaculture water testing?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe MW13 can be useful in specialist aquarium and aquaculture applications where iodine concentration is a specific parameter of interest, particularly where iodine is used as part of a controlled water-treatment process.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt is important to distinguish iodine testing from routine aquarium water testing. The MW13 is not designed to measure iodide, iodate or every form of iodine independently, nor does it provide a general assessment of aquarium water quality. Its measurement is based on the specified reagent method.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor routine aquarium monitoring, other parameters such as pH, ammonia, nitrite, nitrate, phosphate and chlorine may also need to be checked using appropriate dedicated tests.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhy choose the Milwaukee MW13?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe MW13 offers a convenient digital alternative to visual iodine test methods. Its dedicated measurement range, simple reagent procedure and clear digital display make it a practical option for users who need to monitor iodine in water-treatment, aquaculture or laboratory applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAvailable from GroAqua – water testing equipment and water-quality measurement solutions.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Milwaukee","offers":[{"title":"Default Title","offer_id":53614015611265,"sku":"MS-MW13","price":73.56,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0247\/9531\/6278\/files\/milwaukee-mw13-digital-iodine-tester-ms-mw13-1266008.jpg?v=1757078206","url":"https:\/\/groaqua.store\/en-gb\/products\/milwaukee-mw13-digital-iodine-tester","provider":"GroAqua","version":"1.0","type":"link"}