{"product_id":"hanna-hi97745-ph-free-amp-total-chlorine-total-hardness-amp-iron-portable-photometer","title":"Hanna HI97745 pH, Free \u0026amp; Total Chlorine, Total Hardness \u0026amp; Iron Portable Photometer","description":"\u003cp\u003eThe \u003cstrong\u003eHanna HI97745\u003c\/strong\u003e is an advanced portable photometer that measures four key water quality parameters in one meter — \u003cstrong\u003epH, free and total chlorine, total hardness (calcium\/magnesium), and low-range iron\u003c\/strong\u003e. It's an efficient all-in-one for routine drinking-water and treated-water testing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSuperior optical system with LED source, 525 nm narrowband interference filter, reference detector, and 25 mm round cuvette for fast, repeatable low-absorbance readings\u003c\/li\u003e\n\u003cli\u003eMethod-correct chemistries: phenol red (pH), adapted Standard Method 4500-Cl G (chlorine), colorimetric hardness, and TPTZ (iron)\u003c\/li\u003e\n\u003cli\u003eCAL Check performance verification with NIST-traceable standards; Tutorial Mode and built-in reaction timer for consistent results\u003c\/li\u003e\n\u003cli\u003eDisplays hardness in multiple chemical forms; logs the last 50 readings; ~800 measurements on 3 AA batteries with auto-off\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's included:\u003c\/strong\u003e HI97745 photometer, sample cuvettes (2) with caps and plastic inserts (2), 3 AA batteries, instrument quality certificate, and instruction manual. (Reagents and CAL Check standards sold separately.)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e drinking water, swimming pools and spas, and boiler\/cooling water where chlorine, hardness, iron, and pH are monitored together.\u003c\/p\u003e\n\u003cp\u003eFind reagents, CAL Check standards, cuvettes, and spares in our \u003ca href=\"\/collections\/hanna-accessories-parts\"\u003eHanna Accessories \u0026amp; Parts\u003c\/a\u003e collection.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eEstimated shipping weight: 1.5 lb.\u003c\/em\u003e\u003c\/p\u003e","brand":"Hanna","offers":[{"title":"Default Title","offer_id":48189981327550,"sku":"HI97745","price":449.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/ph-chlorine-hardness-iron-photometer-hi97745__68038.1579283669.jpg?v=1784817490","url":"https:\/\/envirotechonline.com\/products\/hanna-hi97745-ph-free-amp-total-chlorine-total-hardness-amp-iron-portable-photometer","provider":"EnviroTech Services","version":"1.0","type":"link"}