{"product_id":"tds-water-quality-tester-pen-high-precision-for-water-purifier-conductivity-test","title":"TDS Water Quality Tester Pen | Recommended by Dr. Affan Qaiser","description":"\u003cdiv class=\"product-container\"\u003e\n\u003cdiv class=\"mm-promo-bar\"\u003e\n\u003cp\u003e\u003cstrong\u003eSummer Mega Sale Live Now! Up to 50% OFF\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mm-shipping-hero\"\u003e\n\u003ch1 class=\"delivery-title\"\u003eFree Home Delivery All Over Pakistan\u003c\/h1\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-hero\"\u003e\n\u003ch1\u003eDigital Water Purify Tester\u003c\/h1\u003e\n\u003cp class=\"tagline\"\u003eHigh-Accuracy Smart TDS, EC \u0026amp; Temperature Meter\u003c\/p\u003e\n\u003cp class=\"tagline-sub\"\u003eEnsure the pristine quality and safety of your household drinking water instantly. This compact, medical-grade digital tester provides rapid, highly accurate readings of your water's absolute purity levels wherever you go.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"master-feature-grid full-width-layout\"\u003e\n\u003cdiv class=\"card feature-card\"\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"styled-list feature-grid-list\"\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eHigh Accuracy:\u003c\/strong\u003e Advanced sensors deliver precise contaminant detection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eMulti-Parameter:\u003c\/strong\u003e Measures TDS (Total Dissolved Solids), EC, \u0026amp; Temperature\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eInstant Results:\u003c\/strong\u003e Dip and read values within 3 seconds flat\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eUser-Friendly Display:\u003c\/strong\u003e Large backlit LCD screen for low-light visibility\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eData Hold Function:\u003c\/strong\u003e Lock button saves the reading on screen for easy logging\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eDurable Build:\u003c\/strong\u003e Made with premium, robust wear-resistant components\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eUltra Portable:\u003c\/strong\u003e Extremely lightweight pocket-sized mobile layout\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eBattery Operated:\u003c\/strong\u003e Runs on highly efficient, standard long-lasting button cells\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"highlights-grid\"\u003e\n\u003cdiv class=\"card info-block visual-block\"\u003e\n\u003ch3\u003eAdvanced Purity Metrics\u003c\/h3\u003e\n\u003cp\u003eEquipped with a highly sensitive titanium alloy probe to circumvent magnetic interference, giving you pure data precision.\u003c\/p\u003e\n\u003cdiv class=\"media-wrapper\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0941\/1054\/8274\/files\/64448ec80eb18f08ae51ad64-tds-meter-digital-water-tester.jpg?v=1758199205\" alt=\"TDS Digital Water Tester product application\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card info-block visual-block\"\u003e\n\u003ch3\u003eSimple 3-Button Control Interface\u003c\/h3\u003e\n\u003cp\u003eEasily switch between TDS (ppm), Electrical Conductivity (µs\/cm), and Temperature measurements (°C\/°F) instantly.\u003c\/p\u003e\n\u003cdiv class=\"media-wrapper\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0941\/1054\/8274\/files\/61zPrK5Z_eL._UF350_350_QL80.jpg?v=1758199204\" alt=\"Water quality meter display controls overview\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"section-grid columns-2\"\u003e\n\u003cdiv class=\"card usage-card\"\u003e\n\u003ch2\u003eHow to Use (Step-by-Step)\u003c\/h2\u003e\n\u003col class=\"numbered-guide-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrepare:\u003c\/strong\u003e \u003cspan\u003eRemove the translucent protective cap from the base of the tester.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower On:\u003c\/strong\u003e \u003cspan\u003ePress the dedicated ON\/OFF button to boot the digital system.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubmerge:\u003c\/strong\u003e \u003cspan\u003eImmerse the sensor tips into the liquid sample (do not submerge past the maximum immersion line).\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStabilize:\u003c\/strong\u003e \u003cspan\u003eStir gently for a few seconds and wait for the numeric value on screen to stabilize.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLock Data:\u003c\/strong\u003e \u003cspan\u003ePress the HOLD button if you wish to lift the meter out of the water to read it comfortably.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean \u0026amp; Cap:\u003c\/strong\u003e \u003cspan\u003eAfter testing, shake off excess water, rinse the probes with clean water, and slide the cap back on.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card benefits-card\"\u003e\n\u003ch2\u003eEssential Household Benefits\u003c\/h2\u003e\n\u003cp class=\"section-intro\"\u003eA small diagnostic investment ensures massive daily wellness benefits for your family:\u003c\/p\u003e\n\u003cdiv class=\"positions-badges\"\u003e\n\u003cspan class=\"badge\"\u003e👨👩👧👦 Health Assurance\u003c\/span\u003e \u003cspan class=\"badge\"\u003e🚰 Filter Maintenance Tracking\u003c\/span\u003e \u003cspan class=\"badge\"\u003e🏔️ Travel \u0026amp; Camping Safe\u003c\/span\u003e \u003cspan class=\"badge\"\u003e💰 Cost-Effective Diagnostics\u003c\/span\u003e \u003cspan class=\"badge\"\u003e🌱 Eco-Friendly Solution\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"benefit-description-box\"\u003e\n\u003cp\u003e\u003cstrong\u003eKnow When to Replace RO Filters:\u003c\/strong\u003e Avoid guessing games with your filtration systems. Instantly test your tap water vs. your filtered output to verify if your home reverse osmosis (RO) system or water filter elements are genuinely working or need immediate replacement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDecrease Plastic Bottled Waste:\u003c\/strong\u003e By ensuring your home tap filtration output is perfectly healthy and safe, you can confidently lower your heavy financial reliance on disposable commercial bottled water.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- INJECTED AEO\/GEO PPM CHART --\u003e\n\u003cdiv class=\"card specs-table-full\"\u003e\n\u003ch2\u003eDrinking Water PPM Standards Chart\u003c\/h2\u003e\n\u003cp class=\"section-intro\"\u003eUse this guide to instantly check your tap water safety and filter performance:\u003c\/p\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e0 – 50 PPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIdeal Drinking Water (RO Purified)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e50 – 150 PPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAcceptable Pure Water (Safe for drinking)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e150 – 300 PPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHard Water (Filter or RO plant recommended)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e300+ PPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnsafe \/ High Mineral (Not ideal for direct drinking)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card specs-table-full\"\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasurement Parameters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTotal Dissolved Solids (TDS), Electrical Conductivity (EC), Temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Measurement Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 – 9990 ppm (Parts Per Million)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1 – 80.0°C \/ 32.0 – 176.0°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-Definition Backlit Digital LCD Screen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProbe Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAnti-Rust High Precision Titanium Alloy Sensor Elements\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Source\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Button Cell Batteries (Included \u0026amp; Pre-installed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSuitable Applications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDrinking Water Testing, Aquariums, RO Filters, Hydroponics, Pools\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-section\"\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"faq-grid\"\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch4\u003eWhat exactly does a TDS reading mean?\u003c\/h4\u003e\n\u003cp\u003eTDS stands for Total Dissolved Solids. It represents the total concentration of dissolved substances (minerals, salts, metals, or impurities) present in your water volume. Lower readings typically indicate purer water quality.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch4\u003eIs the entire pen waterproof? Can I drop it into a deep glass?\u003c\/h4\u003e\n\u003cp\u003eThe bottom sensor probe portion up to the cap alignment ridge is completely waterproof. However, the top digital display and battery housing should not be fully submerged under water.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch4\u003eDoes this tester require frequent manual recalibration?\u003c\/h4\u003e\n\u003cp\u003eNo. The smart digital design arrives completely factory pre-calibrated so you can begin scanning your drinking water straight out of the package without any complicated setups.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch4\u003eCan it be used to check hot drinking tea or boiling liquids?\u003c\/h4\u003e\n\u003cp\u003eThe pen features automatic temperature compensation, but it is optimized for fluids up to 80°C. For best accuracy, let extremely hot beverages cool to warm levels before taking measurements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n  .product-container {\n    font-family: 'Inter', system-ui, -apple-system, sans-serif;\n    color: #2D3748;\n    max-width: 1100px;\n    margin: 0 auto;\n    padding: 20px;\n    background-color: #f8fafc;\n    line-height: 1.6;\n  }\n\n  .mm-promo-bar {\n    background: #1E3A8A;\n    text-align: center;\n    padding: 10px 20px;\n    border-radius: 12px;\n    margin-bottom: 16px;\n    font-size: 1rem;\n    letter-spacing: 0.02em;\n  }\n  .mm-promo-bar p, \n  .mm-promo-bar p strong {\n    margin: 0 !important;\n    color: #FFFFFF !important; \n  }\n\n  .mm-shipping-hero {\n    background: #FFFFFF;\n    border: 2px dashed #3B82F6;\n    border-radius: 16px;\n    padding: 24px;\n    text-align: center;\n    margin-bottom: 30px;\n    box-shadow: 0 4px 6px -1px rgba(59, 130, 246, 0.05);\n  }\n\n  .mm-badge-import {\n    display: inline-block;\n    font-size: 0.75rem;\n    font-weight: 800;\n    text-transform: uppercase;\n    background: #1E3A8A;\n    color: #FFFFFF;\n    padding: 6px 14px;\n    border-radius: 50px;\n    letter-spacing: 0.05em;\n    margin-bottom: 10px;\n  }\n\n  .delivery-title {\n    font-size: 2rem !important;\n    font-weight: 800 !important;\n    margin: 0 !important;\n    background: linear-gradient(135deg, #1E3A8A, #3B82F6);\n    -webkit-background-clip: text;\n    -webkit-text-fill-color: transparent;\n  }\n\n  .product-container h1, \n  .product-container h2, \n  .product-container h3, \n  .product-container h4 {\n    color: #0F172A;\n    font-weight: 700;\n    margin-top: 0;\n  }\n\n  .product-container h1 {\n    font-size: 2.4rem;\n    letter-spacing: -0.02em;\n    margin-bottom: 10px;\n  }\n\n  .product-container h2 {\n    font-size: 1.5rem;\n    border-bottom: 2px solid #E2E8F0;\n    padding-bottom: 10px;\n    margin-bottom: 20px;\n    color: #0F172A;\n  }\n\n  .card {\n    background: #ffffff;\n    border: 1px solid #E2E8F0;\n    border-radius: 16px;\n    padding: 28px;\n    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.01);\n    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;\n  }\n  \n  .card:hover {\n    transform: translateY(-2px);\n    border-color: #93C5FD;\n    box-shadow: 0 8px 24px rgba(30, 58, 138, 0.04);\n  }\n\n  .master-feature-grid.full-width-layout {\n    margin-bottom: 30px;\n  }\n\n  @media (min-width: 680px) {\n    .feature-grid-list {\n      display: grid;\n      grid-template-columns: 1fr 1fr;\n      gap: 0 28px;\n    }\n  }\n\n  .section-grid {\n    display: grid;\n    gap: 24px;\n    margin-bottom: 30px;\n  }\n\n  @media (min-width: 768px) {\n    .columns-2 { grid-template-columns: 1fr 1fr; }\n  }\n\n  .product-hero {\n    text-align: center;\n    padding: 45px 24px;\n    background: #FFFFFF;\n    border: 1px solid #E2E8F0;\n    border-radius: 16px;\n    margin-bottom: 30px;\n  }\n  \n  .product-hero .tagline {\n    font-size: 1.25rem;\n    color: #1E3A8A;\n    font-weight: 700;\n    max-width: 800px;\n    margin: 0 auto 15px auto;\n  }\n\n  .product-hero .tagline-sub {\n    font-size: 1.05rem;\n    color: #4A5568;\n    max-width: 800px;\n    margin: 0 auto;\n    line-height: 1.7;\n  }\n\n  .styled-list {\n    list-style: none;\n    padding: 0;\n    margin: 0;\n  }\n\n  .styled-list li {\n    position: relative;\n    padding-left: 32px;\n    margin-bottom: 14px;\n    font-size: 1.05rem;\n    color: #334155;\n  }\n\n  .styled-list li::before {\n    content: \"✓\";\n    position: absolute;\n    left: 0;\n    top: 3px;\n    width: 20px;\n    height: 20px;\n    background-color: #1E3A8A;\n    color: #ffffff;\n    border-radius: 50%;\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    font-size: 0.8rem;\n    font-weight: bold;\n  }\n\n  .numbered-guide-list {\n    padding-left: 20px;\n    margin: 0;\n  }\n\n  .numbered-guide-list li {\n    margin-bottom: 15px;\n    font-size: 1.02rem;\n    color: #334155;\n  }\n\n  .numbered-guide-list li strong {\n    color: #1E3A8A;\n  }\n\n  .highlights-grid {\n    display: grid;\n    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));\n    gap: 24px;\n    margin-bottom: 30px;\n  }\n\n  .info-block h3 {\n    font-size: 1.3rem;\n    color: #0F172A;\n    margin-bottom: 12px;\n  }\n\n  .visual-block {\n    display: flex;\n    flex-direction: column;\n    justify-content: space-between;\n  }\n\n  .media-wrapper {\n    margin-top: 16px;\n    text-align: center;\n    background: #F8FAFC;\n    border-radius: 12px;\n    padding: 16px;\n    border: 1px solid #F1F5F9;\n  }\n\n  .media-wrapper img {\n    max-width: 100%;\n    height: auto;\n    border-radius: 8px;\n    object-fit: contain;\n  }\n\n  .positions-badges {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 10px;\n    margin: 15px 0 20px 0;\n  }\n\n  .badge {\n    background-color: rgba(30, 58, 138, 0.03);\n    color: #1E3A8A;\n    padding: 8px 16px;\n    border-radius: 50px;\n    font-size: 0.95rem;\n    font-weight: 600;\n    border: 1px solid rgba(30, 58, 138, 0.08);\n  }\n\n  .section-intro {\n    font-size: 1.05rem;\n    color: #4A5568;\n    margin-bottom: 10px;\n  }\n\n  .benefit-description-box {\n    background: #F8FAFC;\n    padding: 20px;\n    border-radius: 12px;\n    border: 1px solid #E2E8F0;\n  }\n\n  .benefit-description-box p {\n    font-size: 0.95rem;\n    color: #4A5568;\n    margin: 0 0 12px 0;\n  }\n\n  .benefit-description-box p:last-child {\n    margin-bottom: 0;\n  }\n\n  .specs-table-full {\n    margin-bottom: 30px;\n  }\n\n  .specs-table {\n    width: 100%;\n    border-collapse: collapse;\n  }\n\n  .specs-table td {\n    padding: 12px 14px;\n    border-bottom: 1px solid #E2E8F0;\n    font-size: 1rem;\n    color: #334155;\n  }\n\n  .specs-table tr:last-child td {\n    border-bottom: none;\n  }\n\n  .specs-table td strong {\n    color: #1E3A8A;\n  }\n\n  .faq-section {\n    margin-top: 40px;\n    padding: 20px 10px;\n  }\n\n  .faq-grid {\n    display: grid;\n    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));\n    gap: 28px;\n    margin-top: 24px;\n  }\n\n  @media (max-width: 640px) {\n    .faq-grid { grid-template-columns: 1fr; }\n    .delivery-title { font-size: 1.5rem !important; }\n    .product-container h1 { font-size: 1.8rem; }\n    .card { padding: 20px; }\n  }\n\n  .faq-item h4 {\n    font-size: 1.15rem;\n    margin-bottom: 10px;\n    color: #0F172A;\n    font-weight: 700;\n  }\n\n  .faq-item p {\n    color: #64748B;\n    margin: 0;\n    font-size: 0.975rem;\n  }\n\u003c\/style\u003e\n\u003c!-- INJECTED JSON-LD SCHEMA FOR AI OVERVIEWS \u0026 GOOGLE SNIPPETS --\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Millennium Mart","offers":[{"title":"Pack of 1","offer_id":67594992189593,"sku":null,"price":1199.0,"currency_code":"PKR","in_stock":true},{"title":"Pack of 2","offer_id":67594992222361,"sku":null,"price":1899.0,"currency_code":"PKR","in_stock":true},{"title":"Pack of 3","offer_id":67594992255129,"sku":null,"price":2699.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/9277\/4041\/files\/95caa430-ae16-411b-a51e-937cd1cc4cb2.png?v=1790766323","url":"https:\/\/trendsdeal.shop\/products\/tds-water-quality-tester-pen-high-precision-for-water-purifier-conductivity-test","provider":"Trends Deal","version":"1.0","type":"link"}