{"title":"Iron Photometers","description":null,"products":[{"product_id":"hanna-instruments-hi97721-iron-high-range-photometer","title":"Hanna Instruments HI97721 Iron High Range Photometer","description":"\u003cdiv style=\"max-width: 1400px; margin: 0 auto; padding: 40px 20px; font-family: 'Open Sans', sans-serif; font-weight: 300; color: #333; background: #fff;\"\u003e\n\n    \u003cdiv style=\"display: flex; flex-wrap: wrap; align-items: center; gap: 40px; border-bottom: 1px solid #e0e0e0; padding-bottom: 40px; margin-bottom: 40px;\"\u003e\n        \u003cdiv style=\"flex: 1 1 500px; min-width: 300px;\"\u003e\n            \u003cimg style=\"width: 100%; height: auto; object-fit: contain; border-radius: 8px;\" alt=\"Hanna HI97721 Iron High Range Photometer with Menu Display\" src=\"https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/hi977-menu-hand.jpg?width=720\u0026amp;name=hi977-menu-hand.jpg\" srcset=\"https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/hi977-menu-hand.jpg?width=360\u0026amp;name=hi977-menu-hand.jpg 360w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/hi977-menu-hand.jpg?width=720\u0026amp;name=hi977-menu-hand.jpg 720w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/hi977-menu-hand.jpg?width=1080\u0026amp;name=hi977-menu-hand.jpg 1080w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/hi977-menu-hand.jpg?width=1440\u0026amp;name=hi977-menu-hand.jpg 1440w\" sizes=\"(max-width: 720px) 100vw, 720px\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv style=\"flex: 1 1 500px; min-width: 300px; display: flex; flex-direction: column; gap: 20px;\"\u003e\n            \u003cdiv\u003e\n                \u003ch3 style=\"font-weight: 400; margin-bottom: 8px;\"\u003eIntuitive Guidance for Effortless Iron Testing\u003c\/h3\u003e\n                \u003cp style=\"font-size: 1rem;\"\u003e\u003cstrong\u003eNavigate your iron testing with confidence.\u003c\/strong\u003e The Hanna Instruments HI97721 photometer offers integrated on-screen tutorials and helpful animations, guiding you step-by-step through setup, calibration, and precise measurements for high-range iron. Benefit from smart power-saving features like automatic shut-off and low battery warnings, ensuring your meter is always ready for accurate readings and optimal energy use.\u003c\/p\u003e\n            \u003c\/div\u003e\n            \u003cdiv\u003e\n                \u003ch3 style=\"font-weight: 400; margin-bottom: 8px;\"\u003eSeamless Data Logging for Comprehensive Records\u003c\/h3\u003e\n                \u003cp style=\"font-size: 1rem;\"\u003e\u003cstrong\u003eEffortlessly track your high-range iron measurements.\u003c\/strong\u003e Never miss a crucial data point again, as the HI97721 automatically logs the last 50 measurements. Easily access and review your complete testing history through the convenient Log Recall Menu, providing a comprehensive overview of your water quality trends.\u003c\/p\u003e\n            \u003c\/div\u003e\n            \u003cdiv\u003e\n                \u003ch3 style=\"font-weight: 400; margin-bottom: 8px;\"\u003eCAL Check™ Validation for Peak Accuracy\u003c\/h3\u003e\n                \u003cp style=\"font-size: 1rem;\"\u003e\u003cstrong\u003eEnsure consistent and reliable results for your high-range iron analyses.\u003c\/strong\u003e Hanna's exclusive CAL Check™ feature provides a stress-free, straightforward way to validate your HI97721 photometer's performance using certified standards. Simply insert the certified CAL Check™ standards, and the meter will guide you through validation. If your photometer is out of specification for any reason, easily recalibrate to your standard to maintain superior accuracy every time.\u003c\/p\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"display: flex; flex-wrap: wrap; align-items: center; gap: 40px; border-bottom: 1px solid #e0e0e0; padding-bottom: 40px; margin-bottom: 40px;\"\u003e\n        \u003cdiv style=\"flex: 1 1 500px; min-width: 300px; display: flex; flex-direction: column; gap: 20px; order: 1;\"\u003e\n            \u003cdiv\u003e\n                \u003ch3 style=\"font-weight: 400; margin-bottom: 8px;\"\u003eAdvanced Optical System for Superior Performance\u003c\/h3\u003e\n                \u003cp style=\"font-size: 1rem;\"\u003e\u003cstrong\u003eAchieve highly accurate and repeatable measurements.\u003c\/strong\u003e The HI97721 features an advanced optical system, utilizing a powerful Light Emitting Diode (LED) that provides more light while consuming less power. A precision narrow band interference filter results in more accurate and repeatable readings for your high-range iron analyses.\u003c\/p\u003e\n            \u003c\/div\u003e\n            \u003cdiv\u003e\n                \u003ch3 style=\"font-weight: 400; margin-bottom: 8px;\"\u003eEngineered for Robust Durability\u003c\/h3\u003e\n                \u003cp style=\"font-size: 1rem;\"\u003e\u003cstrong\u003eBuilt to withstand demanding real-world conditions.\u003c\/strong\u003e The HI97721 boasts an IP67 waterproof body, ensuring top performance in any environment. Internal optics are sealed from outside dust, dirt, and water, providing exceptional protection. Designed for longevity, it even floats for added security. Its exclusive positive-locking cuvette system guarantees precise and repeatable readings by securing cuvettes in the same position every time.\u003c\/p\u003e\n            \u003c\/div\u003e\n            \u003cdiv\u003e\n                \u003ch3 style=\"font-weight: 400; margin-bottom: 8px;\"\u003eCompact and Field-Ready Design\u003c\/h3\u003e\n                \u003cp style=\"font-size: 1rem;\"\u003e\u003cstrong\u003eDesigned for convenience and portability.\u003c\/strong\u003e The HI97721 fits comfortably in your hand for on-the-go testing or sits stably for benchtop use. A clear, backlit LCD display provides at-a-glance readings from any angle, day or night. Powered by standard AA batteries, it provides life for more than 800 measurements, ensuring extended field operation.\u003c\/p\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv style=\"flex: 1 1 500px; min-width: 300px; order: 2;\"\u003e\n            \u003cimg style=\"width: 100%; height: auto; object-fit: contain; border-radius: 8px;\" alt=\"Hanna HI97721 Iron High Range Photometer Side View\" src=\"https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/iron-high-range-portable-photometer-hi97721-angle.jpg?width=800\u0026amp;name=iron-high-range-portable-photometer-hi97721-angle.jpg\" srcset=\"https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/iron-high-range-portable-photometer-hi97721-angle.jpg?width=400\u0026amp;name=iron-high-range-portable-photometer-hi97721-angle.jpg 400w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/iron-high-range-portable-photometer-hi97721-angle.jpg?width=800\u0026amp;name=iron-high-range-portable-photometer-hi97721-angle.jpg 800w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/iron-high-range-portable-photometer-hi97721-angle.jpg?width=1200\u0026amp;name=iron-high-range-portable-photometer-hi97721-angle.jpg 1200w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/iron-high-range-portable-photometer-hi97721-angle.jpg?width=1600\u0026amp;name=iron-high-range-portable-photometer-hi97721-angle.jpg 1600w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/iron-high-range-portable-photometer-hi97721-angle.jpg?width=2000\u0026amp;name=iron-high-range-portable-photometer-hi97721-angle.jpg 2000w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/iron-high-range-portable-photometer-hi97721-angle.jpg?width=2400\u0026amp;name=iron-high-range-portable-photometer-hi97721-angle.jpg 2400w\" sizes=\"(max-width: 800px) 100vw, 800px\"\u003e\n        \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 40px;\"\u003e\n        \u003cdiv style=\"flex: 1 1 45%; min-width: 300px;\"\u003e\n            \u003cp style=\"font-size: 1rem;\"\u003e\u003cstrong\u003eYour HI97721 Photometer (Meter Only)\u003c\/strong\u003e comes thoughtfully equipped with essential accessories, providing everything you need for immediate and successful high-range iron measurements:\u003c\/p\u003e\n            \u003cul style=\"font-size: 1rem; line-height: 1.5;\"\u003e\n                \u003cli\u003eSample cuvette (2 pcs.)\u003c\/li\u003e\n                \u003cli\u003eSample cap (2 pcs.)\u003c\/li\u003e\n                \u003cli\u003ePlastic stopper (2 pcs.)\u003c\/li\u003e\n                \u003cli\u003eAlkaline batteries: 1.5V AA (3 pcs.)\u003c\/li\u003e\n                \u003cli\u003eInstruction manual\u003c\/li\u003e\n                \u003cli\u003eMeter quality certificate\u003c\/li\u003e\n            \u003c\/ul\u003e\n        \u003c\/div\u003e\n        \u003cdiv style=\"flex: 1 1 45%; min-width: 300px;\"\u003e\n            \u003cp style=\"font-size: 1rem;\"\u003e\u003cstrong\u003eUpgrade to the HI97721C Photometer Kit\u003c\/strong\u003e for a comprehensive high-range iron testing solution that includes invaluable CAL Check™ Standards and offers the most economical pathway to accurate results:\u003c\/p\u003e\n            \u003cul style=\"font-size: 1rem; line-height: 1.5;\"\u003e\n                \u003cli\u003eSample cuvette (2 pcs.)\u003c\/li\u003e\n                \u003cli\u003eSample cap (2 pcs.)\u003c\/li\u003e\n                \u003cli\u003ePlastic stopper (2 pcs.)\u003c\/li\u003e\n                \u003cli\u003eA ZERO - CAL Check™ Cuvette A\u003c\/li\u003e\n                \u003cli\u003eHI97721B - CAL Check™ Cuvette B for Iron HR\u003c\/li\u003e\n                \u003cli\u003eCloth for wiping cuvettes\u003c\/li\u003e\n                \u003cli\u003eScissors\u003c\/li\u003e\n                \u003cli\u003eAlkaline batteries: 1.5V AA (3 pcs.)\u003c\/li\u003e\n                \u003cli\u003eInstruction manual\u003c\/li\u003e\n                \u003cli\u003eMeter quality certificate\u003c\/li\u003e\n                \u003cli\u003eCAL Check™ standard certificate\u003c\/li\u003e\n            \u003c\/ul\u003e\n        \u003c\/div\u003e\n    \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Kit","offer_id":50461923901738,"sku":"BTS-HI97721C","price":634.99,"currency_code":"USD","in_stock":true},{"title":"Meter Only","offer_id":50461923934506,"sku":"BTS-HI97721","price":414.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/iron-high-range-hi97721__21358.1568224963.jpg?v=1750460633"},{"product_id":"milwaukee-mi408-iron-high-range-pro-photometer","title":"Milwaukee MI408 Iron High Range PRO Photometer","description":"\u003cdiv style=\"max-width: 1400px; margin: 0 auto; padding: 40px 20px;\n                        font-family: 'Open Sans', sans-serif; font-weight: 300;\n                        color: #333; background: #fff; font-size: 0.95rem;\n                        box-sizing: border-box;\"\u003e\n              \u003cdiv style=\"display: flex; flex-direction: column; gap: 20px;\"\u003e\n                \u003cdiv class=\"productView-desc-content\" itemprop=\"description\"\u003e\n\n                \u003ch1\u003e\u003cstrong\u003eLab Grade, Easy to Use, High Performance.\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003eMilwaukee MI408 PRO Photometer is for users demanding fast, reliable, repeatable results with ease of use.\u003c\/p\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe Milwaukee MI408 PRO Photometer features manual zero point calibration and fast operation in a rugged design.\u003c\/p\u003e\n\u003cp\u003eThe Milwaukee PRO Photometer is ideal for users in aquaculture, aquariums, environmental, water conditioning and lab applications. This meter is also ideal for educators that want their students to learn the basics of water quality analysis to apply in the real world.\u003c\/p\u003e\n\u003cp\u003eThe Milwaukee PRO Photometer offers:\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSpeed\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe MI408 microprocessor delivers fast results with accuracy of ±0.06 mg\/L @ 1.50 mg\/L  and is repeatable.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eEasy To Use and Toughness\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis rugged meter is designed to take knocks. It's low maintenance design paired with easy to use reagents makes \u003cspan id=\"productTitle\" class=\"a-size-large\"\u003ethe MI408 ideal for everyone from educators and aquaculture, aquariums, environmental professionals to water treatment and food processing.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eDesign features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFast easy to read results with large digital LCD readout.\u003c\/li\u003e\n\u003cli\u003eAccurate to ±0.06 mg\/L @ 1.50 mg\/L and a range 0.00 to 5.00 mg\/L of (Fe).\u003c\/li\u003e\n\u003cli\u003eLightweight and portable.\u003c\/li\u003e\n\u003cli\u003eEasy measurement: just mix the reagent in the sample, gently shake, insert the cuvette, zero the meter then press read.\u003c\/li\u003e\n\u003cli\u003eSimple easy reagent packets or liquid bottles.\u003c\/li\u003e\n\u003cli\u003eEasy 1-2-3 instruction steps.\u003c\/li\u003e\n\u003cli\u003eAuto shut off after 10 minutes of non-use, 9 volt (battery included).\u003c\/li\u003e\n\u003cli\u003eAdaptation of the USEPA Method 315 and Standard Methods 3500 - Fe B.  \u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eMeasures reactive (available) iron.\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eReplacement Reagents:  \u003cstrong\u003eMi508-100\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eBuilt In Timer\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eMI408 has a built in timer that ensures appropriate reaction time is used for the chemical reaction. At the end of the timer, the meter will automatically take the reading. This feature ensures consistency across multiple users.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCuvette Chamber\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe MI408 has a built in indexing indent on the meter - The meter has an indent that allows for a lock and key fit with the cuvette cap.  This ensures that the cuvette is indexed consistently (same position) in order to maintain the same path length for accurate results.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eError Messaging\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe MI408 has built in error messaging display alerts. This helps the user ensure no mistakes are made in the testing process. Messages include no cap, over range and under range, light source errors and zero cal error to ensure the user has the most accurate error free readings. \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCalibration\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe MI408 has a simple to use zero point calibration\u003cspan style=\"font-weight: 400;\"\u003e. Simply insert the unreacted sample cuvette into the chamber, index the cuvette and press the zero button. Your calibration is complete.\u003c\/span\u003e\u003c\/p\u003e\n\n                \u003c!-- snippet location product_description --\u003e\n\n            \u003c\/div\u003e\n              \u003c\/div\u003e\n            \u003c\/div\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":50549130658090,"sku":"BTS-MI408","price":441.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/MI408-Above__81018.1602000570.jpg?v=1756585878"}],"url":"https:\/\/bluetigerscientific.com\/collections\/iron-photometers.oembed","provider":"Blue Tiger Scientific","version":"1.0","type":"link"}