{"product_id":"do-starter-benchtop-meter-hi2640-and-hi2641","title":"DO Starter Benchtop Meter - HI2640 and HI2641 - HI264X","description":"\u003cstyle\u003e\n  .hanna-product-description h2 {\n    font-size: 28px;\n    line-height: 1.3;\n    margin: 40px 0 20px;\n    color: #222;\n  }\n\n  .hanna-subheading {\n    font-size: 21px;\n    line-height: 1.4;\n    font-weight: 600;\n    margin: 25px 0 12px;\n    color: #222;\n  }\n\n  .hanna-product-description p {\n    margin: 0 0 18px;\n  }\n\n  .hanna-product-description ul {\n    margin: 0 0 25px;\n    padding-left: 25px;\n  }\n\n  .hanna-product-description li {\n    margin-bottom: 10px;\n  }\n\n  .hanna-intro {\n    margin-bottom: 35px;\n  }\n\n  .hanna-highlight-box {\n    background: #f5f7f8;\n    border-left: 4px solid #0076a8;\n    padding: 25px;\n    margin: 25px 0;\n  }\n\n  .hanna-feature {\n    margin-bottom: 30px;\n  }\n\n  .hanna-feature .hanna-subheading {\n    margin-bottom: 8px;\n  }\n\n  .hanna-model-grid {\n    display: grid;\n    grid-template-columns: repeat(2, 1fr);\n    gap: 20px;\n    margin: 25px 0 40px;\n  }\n\n  .hanna-model-box {\n    border: 1px solid #ddd;\n    padding: 25px;\n    background: #fafafa;\n  }\n\n  .hanna-model-box ul {\n    margin-bottom: 0;\n  }\n\n  .hanna-model-box.hi2641 {\n    border-left: 4px solid #0076a8;\n  }\n\n  .hanna-comparison,\n  .hanna-specs {\n    width: 100%;\n    border-collapse: collapse;\n    margin: 25px 0 40px;\n    font-size: 14px;\n  }\n\n  .hanna-comparison th,\n  .hanna-comparison td,\n  .hanna-specs th,\n  .hanna-specs td {\n    border: 1px solid #ddd;\n    padding: 12px 15px;\n    text-align: left;\n    vertical-align: top;\n  }\n\n  .hanna-comparison th,\n  .hanna-specs th {\n    background: #f2f2f2;\n    font-weight: 700;\n  }\n\n  .hanna-specs th {\n    width: 35%;\n  }\n\n  .hanna-included {\n    background: #fafafa;\n    padding: 25px;\n    border: 1px solid #ddd;\n    margin: 25px 0 40px;\n  }\n\n  .hanna-note {\n    font-size: 13px;\n    color: #666;\n  }\n\n  @media (max-width: 768px) {\n\n    .hanna-product-description h2 {\n      font-size: 24px;\n    }\n\n    .hanna-subheading {\n      font-size: 19px;\n    }\n\n    .hanna-model-grid {\n      grid-template-columns: 1fr;\n    }\n\n    .hanna-comparison,\n    .hanna-specs {\n      font-size: 13px;\n    }\n\n    .hanna-comparison th,\n    .hanna-comparison td,\n    .hanna-specs th,\n    .hanna-specs td {\n      padding: 9px;\n    }\n  }\n\n  @media (max-width: 480px) {\n\n    .hanna-comparison,\n    .hanna-specs {\n      display: block;\n      overflow-x: auto;\n      white-space: nowrap;\n    }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"hanna-product-description\"\u003e\n\u003c!-- MODEL FEATURES --\u003e\n\u003ch2\u003eHI2640 and HI2641 Features\u003c\/h2\u003e\n\u003cdiv class=\"hanna-model-grid\"\u003e\n\u003cdiv class=\"hanna-model-box\"\u003e\n\u003cdiv class=\"hanna-subheading\"\u003eHI2640 Features\u003c\/div\u003e\n\u003cdiv class=\"hanna-subheading\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1086\/9535\/5761\/files\/hi2640-overhead-900_62a0f92c-a2fe-4760-bd2a-faf000927a57.jpg?v=1789967736\" alt=\"\"\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDO Resolution:\u003c\/strong\u003e 0.01 ppm (mg\/L)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration:\u003c\/strong\u003e One or two points\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eData Logging:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePC\/USB Export:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard (Full Features):\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hanna-model-box hi2641\"\u003e\n\u003cdiv class=\"hanna-subheading\"\u003eHI2641 Features\u003c\/div\u003e\n\u003cdiv class=\"hanna-subheading\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1086\/9535\/5761\/files\/hi2640-overhead-900_62a0f92c-a2fe-4760-bd2a-faf000927a57.jpg?v=1789967736\" alt=\"\"\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDO Resolution:\u003c\/strong\u003e 0.01 ppm (mg\/L)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration:\u003c\/strong\u003e One or two points\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eData Logging:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePC\/USB Export:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard (Full Features):\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- BENCHTOP METER --\u003e\n\u003ch2\u003eThe Benchtop Meter for Every Lab Setting\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1086\/9535\/5761\/files\/hi2640-overhead-900_62a0f92c-a2fe-4760-bd2a-faf000927a57.jpg?v=1789967736\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eWith a color LCD display, capacitive touch keypad, and clear on-screen text guides, users can easily set up, calibrate, and measure quickly.\u003c\/p\u003e\n\u003cp\u003eOur Simple Benchtop Meters are designed for both experienced professionals and those who prefer a straightforward, streamlined workflow.\u003c\/p\u003e\n\u003c!-- DIGITAL ELECTRODE --\u003e\n\u003ch2\u003eDigital Smart Electrodes for Enhanced Measurements\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1086\/9535\/5761\/files\/hi2640-probe-closeup-1024x1024_37178602-ad7a-496e-b7c4-c5455f06db01.jpg?v=1789967824\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eOur Simple Benchtop Meters (HI2640 and HI2641) measure dissolved oxygen with the supplied Dissolved Oxygen Digital Smart Electrode (HI764080).\u003c\/p\u003e\n\u003cdiv class=\"hanna-subheading\"\u003eAdvantages of the Dissolved Oxygen Digital Electrode\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for various industries and applications, this probe is durable and suitable for use in chemical analysis.\u003c\/li\u003e\n\u003cli\u003eCollect stable readings even in electrically noisy environments and eliminate drift with automatic noise filtering and digital processing.\u003c\/li\u003e\n\u003cli\u003eThe built-in temperature sensor ensures optimal temperature compensation. There is no need to manage an additional temperature probe.\u003c\/li\u003e\n\u003cli\u003eChange electrodes easily without recalibrating. All data from the last calibration is stored in the electrode for faster setup and less maintenance when switching electrodes.\u003c\/li\u003e\n\u003cli\u003eGain traceability with automatic sensor recognition and a unique serial ID number for each Digital Electrode.\u003c\/li\u003e\n\u003cli\u003eEquipped with a modern 3.5 mm connector that is sealed to protect against moisture and corrosion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1086\/9535\/5761\/files\/7727fe26-1c68-4358-8e01-384600f07350-1024x561_8784cd7d-25c2-4b9f-8833-53366b13cd06.jpg?v=1789967867\" alt=\"\"\u003e\u003c\/p\u003e\n\u003c!-- WHAT'S INCLUDED --\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cdiv class=\"hanna-included\"\u003e\n\u003cul\u003e\n\u003cli\u003eHI764080 Dissolved Oxygen electrode\u003c\/li\u003e\n\u003cli\u003eDO calibration kit:\n\u003cul\u003e\n\u003cli\u003eHI7041S Refill electrolyte solution\u003c\/li\u003e\n\u003cli\u003eDO membrane caps (2 pcs.)\u003c\/li\u003e\n\u003cli\u003eO-rings (2 pcs.)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eHI764026 Electrode holder for HI2600 family\u003c\/li\u003e\n\u003cli\u003eHI920018 USB-C to USB-C cable\u003c\/li\u003e\n\u003cli\u003eUSB-C power adapter\u003c\/li\u003e\n\u003cli\u003eInstrument quality certificate\u003c\/li\u003e\n\u003cli\u003eProbe \/ electrode quality certificate\u003c\/li\u003e\n\u003cli\u003eBattery safety insert\u003c\/li\u003e\n\u003cli\u003eQuick reference guide with QR code for instruction manual download\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- SPECIFICATIONS --\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable class=\"hanna-specs\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModels\u003c\/th\u003e\n\u003ctd\u003eHI2640 and HI2641 using the Dissolved Oxygen probe HI764080\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDO Range\u003c\/th\u003e\n\u003ctd\u003e0.00 to 45.00 ppm (mg\/L)\u003cbr\u003e0.0 to 300.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDO Resolution\u003c\/th\u003e\n\u003ctd\u003e0.01 ppm (mg\/L)\u003cbr\u003e0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDO Accuracy at 25 °C \/ 77 °F\u003c\/th\u003e\n\u003ctd\u003e±1.5% of reading ±1 digit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTemperature Range\u003c\/th\u003e\n\u003ctd\u003e-20.0 to 120.0 °C\u003cbr\u003e-4.0 to 248.0 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTemperature Resolution\u003c\/th\u003e\n\u003ctd\u003e0.1 °C\u003cbr\u003e0.1 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTemperature Accuracy at 25 °C \/ 77 °F\u003c\/th\u003e\n\u003ctd\u003e±0.5 °C\u003cbr\u003e±0.9 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDO Calibration\u003c\/th\u003e\n\u003ctd\u003eOne or two points at 0% (HI7040) and 100% (water-saturated air)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDO Pressure Compensation\u003c\/th\u003e\n\u003ctd\u003eAutomatic\u003cbr\u003e450.0 to 850.0 mmHg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDO Pressure Compensation Resolution\u003c\/th\u003e\n\u003ctd\u003e0.1 mmHg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDO Salinity Compensation\u003c\/th\u003e\n\u003ctd\u003e0 to 40 g\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDO Salinity Compensation Resolution\u003c\/th\u003e\n\u003ctd\u003e1 g\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTemperature Compensation\u003c\/th\u003e\n\u003ctd\u003e0.0 to 50.0 °C\u003cbr\u003e32.0 to 122 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLogging (HI2641 only)\u003c\/th\u003e\n\u003ctd\u003eUp to 1000 records organized in: \u003cbr\u003e\u003cbr\u003eManual log-on-demand — maximum 200 logs \u003cbr\u003eManual log-on-stability — maximum 200 logs \u003cbr\u003eInterval logging — maximum 600 logs (100 lots)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePC Interface (HI2641 only)\u003c\/th\u003e\n\u003ctd\u003eUSB-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Supply\u003c\/th\u003e\n\u003ctd\u003eUSB Type-C (5 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEnvironment\u003c\/th\u003e\n\u003ctd\u003e0 to 50 °C (32 to 122 °F) \u003cbr\u003eMaximum 95% RH non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e205 × 160 × 77 mm \u003cbr\u003e(8.0 × 6.2 × 3.0 inches)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003eApproximately 0.85 kg (1.87 lbs.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- NOTES --\u003e\n\u003cp class=\"hanna-note\"\u003e* Temperature limits will be reduced to actual probe limits.\u003c\/p\u003e\n\u003cp class=\"hanna-note\"\u003e** Interval logging is available when operating in Standard Mode only.\u003c\/p\u003e\n\u003c!-- FINAL PRODUCT SUMMARY --\u003e\n\u003cdiv class=\"hanna-highlight-box\"\u003e\n\u003cdiv class=\"hanna-subheading\"\u003eDO Starter Benchtop Meter – HI2640 and HI2641\u003c\/div\u003e\n\u003cp\u003eThe HI2640 and HI2641 provide fast and accurate dissolved oxygen measurements using the HI764080 digital dissolved oxygen probe. Automatic sensor recognition, integrated temperature measurement, pressure and salinity compensation, and a simple user interface make these meters suitable for routine laboratory measurements.\u003c\/p\u003e\n\u003cp\u003eThe HI2641 additionally provides data logging and USB-C connectivity for data transfer, making it suitable for applications requiring stored and transferable measurement records.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003csection class=\"banner--product-resources\" style=\"color: #000000;\"\u003e\n\u003cdiv class=\"custom-fields\"\u003e\n\u003cdiv class=\"flex-center\"\u003e\n\u003cdiv class=\"resources-container\"\u003e\n\u003cdiv class=\"tabs-content\" style=\"color: inherit;\"\u003e\n\u003cdiv id=\"specifications-accordion\" class=\"tabs-panel is-active\" role=\"tabpanel\"\u003e\n\u003cdiv class=\"grid-container\"\u003e\n\u003cdiv class=\"table-specs\"\u003e\n\u003ctable\u003e\n\u003cthead style=\"color: #292f36;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"font-weight: bold;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"font-weight: bold;\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHI2640 and HI2641\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eusing the Dissolved Oxygen probe HI764080\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDO Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.00 to 45.00 ppm (mg\/L) 0.0 to 300.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDO Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01 ppm (mg\/L) 0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDO Accuracy at 25 °C \/ 77 °F\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±1.5% of reading ±1 digit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-20.0 to 120.0 °C * (-4.0 to 248.0°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1 °C (0.1 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Accuracy at 25 °C \/ 77 °F\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.5 °C (0.9 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDO calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOne or two points at 0% (HI7040) and 100% (water-saturated air)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDO Pressure compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic 450.0 to 850.0 mmHg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDO Pressure compensation resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1 mmHg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDO Salinity compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 40 g\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDO Salinity compensation resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 g\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.0 to 50.0 °C (32.0 to 122 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLogging (HI2641 only)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 1000 records organized in: • Manual log-on-demand, maximum 200 logs • Manual log-on-stability, maximum 200 logs • Interval logging**, maximum 600 logs (100 lots)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e* Temperature limits will be reduced to actual probe limits. ** When operating in Standard Mode only!\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePC interface (HI2641 only)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB Type C (5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 50 °C (32 to 122 °F) Maximum 95 % RH non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e205 x 160 x 77 mm (8.0 x 6.2 x 3.0 inches)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 0.85 kg (1.87 lbs.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cdiv style=\"color: #000000;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"color: #000000;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"tabs-contents\" style=\"color: #000000;\"\u003e\n\u003cdiv id=\"tab-related\" class=\"tab-content has-jsContent is-active\" role=\"tabpanel\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eManuals\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/pages.hannainst.com\/hubfs\/product-manuals\/MAN2641_12_25.pdf?__hstc=4846506.db651f5a07b58c15f7cab8e1d9887c25.1743682097244.1756189614603.1756200365920.53\u0026amp;__hssc=4846506.6.1770802556815\u0026amp;__hsfp=53bb54f525dbdc401559d6b2d07a1118\"\u003eDO Starter Benchtop Meter - HI2640 and HI2641\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eOrdering Info\u003c\/h3\u003e\n\u003ctable style=\"color: #000000;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e• HI764080 Dissolved Oxygen electrode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e• DO calibration kit:\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e• HI7041S Refill electrolyte solution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e• DO membrane caps (2 pcs.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e• O-rings (2 pcs.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e• HI764026 Electrode holder for HI2600 family\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e• HI920018 USB-C to USB-C cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e• USB-C power adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e• Instrument quality certificate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e• Probe \/ electrode quality certificate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e• Battery safety insert\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":67871461802353,"sku":"HI264X","price":126248.63,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1086\/9535\/5761\/files\/HI2641_Right-1__33684-1.jpg?v=1792646985","url":"https:\/\/hannainst.in\/products\/do-starter-benchtop-meter-hi2640-and-hi2641","provider":"hanna","version":"1.0","type":"link"}