{"product_id":"u-s-solid-rotary-viscometer-200-80-000-000-5-touch-screen-stepless-speed-control-30-test-programs-usb-output","title":"Rotary Viscometer - 200-80,000,000, 5\" Touch Screen, Stepless Speed Control, 30 Test Programs, USB Output","description":"\u003cstyle\u003e\n    body { \n        font-family: Arial, sans-serif; \n        color: #333; \n        line-height: 1.6; \n        margin: 0; \n        padding: 0; \n    }\n    \n    .section-title { \n        font-size: 22px; \n        font-weight: bold; \n        margin: 25px 0 10px; \n        color: #000; \n        padding-bottom: 8px; \n    }\n    .section-p { \n        font-size: 16px; \n        line-height: 26px; \n        margin: 10px 0 20px; \n        color: #000; \n    }\n    \n    .img-box { \n        width: 100%; \n        margin: 15px 0; \n        display: block; \n    }\n    .img-box img { \n        width: 100%; \n        height: auto; \n        display: block; \n        border: 0; \n    }\n    \n    .features-desktop { \n        display: block !important; \n    }\n    .features-mobile { \n        display: none !important; \n    }\n    \n    .table-wrapper { \n        width: 100%; \n        overflow-x: auto; \n        -webkit-overflow-scrolling: touch; \n        margin: 15px 0 30px; \n    }\n\n    .table-subtitle {\n        font-size: 16px;\n        font-weight: bold;\n        color: #555;\n        margin: 15px 0 5px 0;\n    }\n    \n    .visco-table { \n        width: 100%; \n        min-width: 600px; \n        border-collapse: collapse; \n        background-color: #fff; \n    }\n    .visco-table tr { \n        border-bottom: 1px dashed #666; \n    }\n    .visco-table th, \n    .visco-table td { \n        text-align: left; \n        padding: 10px 8px; \n        font-size: 15px; \n        vertical-align: middle; \n    }\n    .visco-table th { \n        background-color: #f0f0f0; \n        color: #000; \n        font-weight: bold; \n        width: 20%; \n    }\n    .visco-table td { \n        color: #333; \n    }\n    .visco-table a { \n        color: #0066cc; \n        text-decoration: none; \n    }\n    .visco-table a:hover { \n        text-decoration: underline; \n    }\n    \n    .packing-container { \n        display: flex; \n        flex-wrap: wrap; \n        align-items: center; \n        justify-content: space-between; \n        margin: 20px 0; \n    }\n    .packing-text { \n        flex: 1; \n        min-width: 250px; \n    }\n    .packing-text ol { \n        padding-left: 20px;\n        text-align: left; \n        line-height: 45px; \n        color: black; \n        margin-top: 10px; \n    }\n    .packing-text li { \n        font-size: 16px; \n    }\n    .packing-img { \n        width: 40%; \n        text-align: center; \n        display: flex; \n        align-items: center; \n        justify-content: center; \n    }\n    .packing-img img { \n        max-width: 100%; \n        height: auto; \n        margin-top: 20px; \n        border: 0px; \n    }\n    \n    .faq-wrapper { \n        margin: 20px 0; \n    }\n    .faq-block { \n        margin-bottom: 15px; \n    }\n    .faq-q { \n        font-size: 16px; \n        font-weight: bold; \n        color: #000; \n        margin: 0 0 5px 0; \n    }\n    .faq-a { \n        font-size: 16px; \n        line-height: 24px; \n        color: #333; \n        margin: 0; \n    }\n    \n    .download-box { \n        font-size: 16px; \n        margin: 20px 0; \n        color: #000; \n    }\n    .download-box a { \n        color: #0066cc; \n        text-decoration: none; \n        font-weight: bold; \n    }\n    .download-box a:hover { \n        text-decoration: underline; \n    }\n    \n    .features-list {\n        list-style: disc;\n        list-style-position: outside; \n        padding-left: 18px;           \n        margin: 10px 0 20px;\n    }\n    .features-list li {\n        font-size: 16px;\n        line-height: 28px;\n        color: #000;\n        padding: 0;\n        margin-bottom: 8px;           \n    }\n    \n    .img-placeholder { \n        width: 100%; \n        background-color: #f5f5f5; \n        border: 2px dashed #ccc; \n        text-align: center; \n        padding: 40px 0; \n        color: #999; \n        font-size: 14px; \n        margin: 15px 0; \n    }\n    \n    @media only screen and (max-width: 768px) {\n        .section-title { \n            font-size: 20px; \n        }\n        .visco-table th, \n        .visco-table td { \n            font-size: 14px; \n            padding: 8px 6px; \n        }\n        .features-desktop { \n            display: none !important; \n        }\n        .features-mobile { \n            display: block !important; \n        }\n        .packing-container { \n            flex-direction: column; \n            align-items: flex-start; \n        }\n        .packing-text { \n            width: 100%; \n        }\n        .packing-img { \n            width: 100%; \n        }\n    }\n\u003c\/style\u003e\n\n\u003cdiv class=\"img-box\"\u003e\n    \u003cimg src=\"http:\/\/file.ussolid.com\/content\/Detailed%20Page\/JFDVT\/jfdvt01-ci.png\" alt=\"\" class=\"features-desktop\"\u003e\n    \u003cimg src=\"http:\/\/file.ussolid.com\/content\/Detailed%20Page\/JFDVT\/jfdvt01-ci-app.png\" alt=\"\" class=\"features-mobile\"\u003e\n\u003c\/div\u003e\n\n\u003ch2 class=\"section-title\"\u003eINTRODUCTION\u003c\/h2\u003e\n\u003cp class=\"section-p\"\u003eThe U.S. Solid JFDVT01001 Rotary Viscometer is a significant upgrade over the classic JFDVT series — replacing traditional button controls with an intuitive \u003cstrong\u003e5-inch full-color touchscreen\u003c\/strong\u003e, and expanding the measurement range to \u003cstrong\u003e10–6,000,000 mPa·s\u003c\/strong\u003e for broader application coverage. Built on \u003cstrong\u003eARM technology with a Linux operating system\u003c\/strong\u003e, it delivers improved accuracy of \u003cstrong\u003e±1%\u003c\/strong\u003e, stepless speed control across \u003cstrong\u003e2,000 selectable RPM settings\u003c\/strong\u003e, and advanced features including 30 custom test programs, real-time viscosity curve display, and direct USB data export. A true professional-grade upgrade at exceptional value.\u003c\/p\u003e\n\n\u003ch2 class=\"section-title\"\u003eFEATURES\u003c\/h2\u003e\n\u003cul class=\"features-list\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eImproved Accuracy:\u003c\/strong\u003e ±1% for Newtonian fluids — twice the precision of the previous ±2% series.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRS232 Interface:\u003c\/strong\u003e Enables connection to a printer or computer for data transfer.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eReal-Time Curve Display:\u003c\/strong\u003e Visualize viscosity vs. time and shear rate vs. viscosity curves directly on screen.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAuto Scan Function:\u003c\/strong\u003e Automatically recommends the optimal rotor and speed combination for your sample.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFront-Mounted Bubble Level:\u003c\/strong\u003e Built-in leveling indicator for quick and accurate horizontal alignment before measurement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"img-box\"\u003e\n    \u003cimg src=\"http:\/\/file.ussolid.com\/content\/Detailed%20Page\/JFDVT\/jfdvt01-f.png\" alt=\"Features\" class=\"features-desktop\"\u003e\n    \u003cimg src=\"http:\/\/file.ussolid.com\/content\/Detailed%20Page\/JFDVT\/jfdvt01-f-app.png\" alt=\"Features Mobile\" class=\"features-mobile\"\u003e\n\u003c\/div\u003e\n\n\u003ch2 class=\"section-title\"\u003eAPPLICATIONS\u003c\/h2\u003e\n\u003cdiv class=\"img-box\"\u003e\n    \u003cimg src=\"http:\/\/file.ussolid.com\/content\/Detailed%20Page\/JFDVT\/Application.png\" alt=\"Application Desktop\" class=\"features-desktop\"\u003e\n    \u003cimg src=\"http:\/\/file.ussolid.com\/content\/Detailed%20Page\/JFDVT\/Application-APP.png\" alt=\"Application Mobile\" class=\"features-mobile\"\u003e\n\u003c\/div\u003e\n\n\u003ch2 class=\"section-title\"\u003eSPECIFICATIONS\u003c\/h2\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\n    \u003ctable class=\"visco-table\"\u003e\n        \u003ctbody\u003e\n            \u003ctr\u003e\n                \u003cth\u003eModel\u003c\/th\u003e\n                \u003ctd\u003eUSS-DVT01005\u003c\/td\u003e\n                \u003cth\u003eBrand\u003c\/th\u003e\n                \u003ctd\u003eU.S. Solid\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003cth\u003eRotor Types\u003c\/th\u003e\n                \u003ctd\u003eR1,R2,R3,R4,R5,R6\u003c\/td\u003e\n                \u003cth\u003eRotor Velocity (rpm)\u003c\/th\u003e\n                \u003ctd\u003e0.1–200 (2,000 steps)\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003cth\u003eMeasurement Accuracy\u003c\/th\u003e\n                \u003ctd\u003e±1% (Newton liquid)\u003c\/td\u003e\n                \u003cth\u003eRepeatability\u003c\/th\u003e\n                \u003ctd\u003e±0.5%\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003cth\u003ePower Supply\u003c\/th\u003e\n                \u003ctd\u003eAC 110V\/60Hz or AC 220V\/50Hz\u003c\/td\u003e\n                \u003cth\u003eMeasurement Range\u003c\/th\u003e\n                \u003ctd\u003e200–8×10⁷ mPa·s\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003cth\u003eAmbient Temperature\u003c\/th\u003e\n                \u003ctd\u003e5°C–35°C, Relative humidity: ≤80%\u003c\/td\u003e\n                \u003cth\u003eInterface\u003c\/th\u003e\n                \u003ctd\u003eRS232 \/ USB\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003cth\u003eData Storage\u003c\/th\u003e\n                \u003ctd\u003e30 sets\u003c\/td\u003e\n                \u003cth\u003eTest Programs\u003c\/th\u003e\n                \u003ctd\u003e30 custom programs\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003cth\u003eSystem\u003c\/th\u003e\n                \u003ctd\u003eARM + Linux\u003c\/td\u003e\n                \u003cth\u003eCalibrated Accuracy\u003c\/th\u003e\n                \u003ctd\u003eAuto (computer calibrated)\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003cth\u003eDisplay\u003c\/th\u003e\n                \u003ctd\u003e5\" Full-Color Touchscreen\u003c\/td\u003e\n                \u003cth\u003eDimensions\u003c\/th\u003e\n                \u003ctd\u003e300 × 300 × 450 mm\u003c\/td\u003e\n            \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n    \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2 class=\"section-title\"\u003ePACKING LIST\u003c\/h2\u003e\n\u003cdiv class=\"packing-container\"\u003e\n    \u003cdiv class=\"packing-text\"\u003e\n        \u003col\u003e\n            \u003cli\u003eMain Machine x1\u003c\/li\u003e\n            \u003cli\u003ePackaging Box x1\u003c\/li\u003e\n            \u003cli\u003eRotor x6\u003c\/li\u003e\n            \u003cli\u003eWrench x2\u003c\/li\u003e\n            \u003cli\u003ePower Supply x1\u003c\/li\u003e\n            \u003cli\u003eUser Manual x1\u003c\/li\u003e\n        \u003c\/ol\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"packing-img\"\u003e\n        \u003cimg src=\"http:\/\/file.ussolid.com\/content\/Detailed%20Page\/JFDVT\/jfdvt01-pl2.jpg\" alt=\"Packing List Content\"\u003e\n    \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch2 class=\"section-title\"\u003eOTHER MODELS\u003c\/h2\u003e\n\n\u003cdiv class=\"table-subtitle\"\u003eJFDVT Series (Touchscreen Upgrade)\u003c\/div\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\n    \u003ctable class=\"visco-table\"\u003e\n        \u003ctbody\u003e\n            \u003ctr\u003e\n                \u003cth\u003eModel\u003c\/th\u003e\n                \u003ctd\u003e\u003ca href=\"https:\/\/ussolid.com\/products\/u-s-solid-rotary-viscometer-10-6-000-000-5-touch-screen-stepless-speed-control-30-test-programs-usb-output\" target=\"_blank\"\u003eUSS-DVT01001\u003c\/a\u003e\u003c\/td\u003e\n                \u003ctd\u003e\u003ca href=\"https:\/\/ussolid.com\/products\/u-s-solid-rotary-viscometer-100-40-000-000-5-touch-screen-stepless-speed-control-30-test-programs-usb-output\" target=\"_blank\"\u003eUSS-DVT01003\u003c\/a\u003e\u003c\/td\u003e\n                \u003ctd\u003e\u003cstrong\u003eUSS-DVT01005\u003c\/strong\u003e\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003cth\u003eMeasuring Range\u003c\/th\u003e\n                \u003ctd\u003e10 to 6×10⁶ mPa·s\u003c\/td\u003e\n                \u003ctd\u003e100 to 4×10⁷ mPa·s\u003c\/td\u003e\n                \u003ctd\u003e200 to 8×10⁷ mPa·s\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003cth\u003eWith Temp Probe\u003c\/th\u003e\n                \u003ctd\u003eOptional\u003c\/td\u003e\n                \u003ctd\u003eOptional\u003c\/td\u003e\n                \u003ctd\u003eOptional\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003cth\u003eWith RS232\u003c\/th\u003e\n                \u003ctd\u003e✔\u003c\/td\u003e\n                \u003ctd\u003e✔\u003c\/td\u003e\n                \u003ctd\u003e✔\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003cth\u003eRotor Speed\u003c\/th\u003e\n                \u003ctd\u003e0.1–200 rpm (2,000 steps)\u003c\/td\u003e\n                \u003ctd\u003e0.1–200 rpm (2,000 steps)\u003c\/td\u003e\n                \u003ctd\u003e0.1–200 rpm (2,000 steps)\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003cth\u003eAccuracy\u003c\/th\u003e\n                \u003ctd\u003e±1% (Newtonian)\u003c\/td\u003e\n                \u003ctd\u003e±1% (Newtonian)\u003c\/td\u003e\n                \u003ctd\u003e±1% (Newtonian)\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003cth\u003ePower Supply\u003c\/th\u003e\n                \u003ctd\u003eAC 110V\/60Hz or AC 220V\/50Hz\u003c\/td\u003e\n                \u003ctd\u003eAC 110V\/60Hz or AC 220V\/50Hz\u003c\/td\u003e\n                \u003ctd\u003eAC 110V\/60Hz or AC 220V\/50Hz\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003cth\u003eWorking Temp\u003c\/th\u003e\n                \u003ctd\u003e41 ℉ to 95 ℉(5°C to 35°C)\u003c\/td\u003e\n                \u003ctd\u003e41 ℉ to 95 ℉(5°C to 35°C)\u003c\/td\u003e\n                \u003ctd\u003e41 ℉ to 95 ℉(5°C to 35°C)\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003cth\u003eWorking Humidity\u003c\/th\u003e\n                \u003ctd\u003e≤80%\u003c\/td\u003e\n                \u003ctd\u003e≤80%\u003c\/td\u003e\n                \u003ctd\u003e≤80%\u003c\/td\u003e\n            \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n    \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"table-subtitle\"\u003eClassic Series (LCD Display)\u003c\/div\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\n    \u003ctable class=\"visco-table\"\u003e\n        \u003ctbody\u003e\n            \u003ctr\u003e\n                \u003cth\u003eModel\u003c\/th\u003e\n                \u003ctd\u003e\u003ca href=\"https:\/\/ussolid.com\/products\/u-s-solid-rotary-viscometer-1-2000-000-mpa-range-lcd-display-temperature-measurement\" target=\"_blank\"\u003eUSS-DVT00001\u003c\/a\u003e\u003c\/td\u003e\n                \u003ctd\u003e\u003ca href=\"https:\/\/ussolid.com\/products\/u-s-solid-rotary-viscometer-viscosity-meter-w-lcd-display-screen-1-1-100000-mpa-s-html\" target=\"_blank\"\u003eUSS-DVT00004\u003c\/a\u003e\u003c\/td\u003e\n                \u003ctd\u003e\u003ca href=\"https:\/\/ussolid.com\/products\/u-s-solid-rotary-viscometer-1-100-000-mpa-range-lcd-display-temperature-measurement-rs232-connector\" target=\"_blank\"\u003eUSS-DVT00005\u003c\/a\u003e\u003c\/td\u003e\n                \u003ctd\u003e\u003ca href=\"https:\/\/ussolid.com\/products\/u-s-solid-rotary-viscometer-viscosity-meter-w-lcd-temperature-display-1-1-100000-mpa-s-html\" target=\"_blank\"\u003eUSS-DVT00006\u003c\/a\u003e\u003c\/td\u003e\n                \u003ctd\u003e\u003ca href=\"https:\/\/ussolid.com\/products\/u-s-solid-rotary-viscometer-1-2000-000-mpa-range-lcd-display-temperature-measurement-rs232-connector\" target=\"_blank\"\u003eUSS-DVT00008\u003c\/a\u003e\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003cth\u003eMeasuring Range\u003c\/th\u003e\n                \u003ctd\u003e10 to 2×10⁶ mPa·s\u003c\/td\u003e\n                \u003ctd\u003e10 to 1×10⁵ mPa·s\u003c\/td\u003e\n                \u003ctd\u003e10 to 1×10⁵ mPa·s\u003c\/td\u003e\n                \u003ctd\u003e10 to 1×10⁵ mPa·s\u003c\/td\u003e\n                \u003ctd\u003e10 to 2×10⁶ mPa·s\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003cth\u003eWith Temp Probe\u003c\/th\u003e\n                \u003ctd\u003e✘\u003c\/td\u003e\n                \u003ctd\u003e✘\u003c\/td\u003e\n                \u003ctd\u003e✔\u003c\/td\u003e\n                \u003ctd\u003e✔\u003c\/td\u003e\n                \u003ctd\u003e✔\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003cth\u003eWith RS232\u003c\/th\u003e\n                \u003ctd\u003e✘\u003c\/td\u003e\n                \u003ctd\u003e✘\u003c\/td\u003e\n                \u003ctd\u003e✔\u003c\/td\u003e\n                \u003ctd\u003e✘\u003c\/td\u003e\n                \u003ctd\u003e✔\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003cth\u003eRotor Speed\u003c\/th\u003e\n                \u003ctd\u003e0.3, 0.6, 1.5, 3 rpm\u003c\/td\u003e\n                \u003ctd\u003e-\u003c\/td\u003e\n                \u003ctd\u003e-\u003c\/td\u003e\n                \u003ctd\u003e-\u003c\/td\u003e\n                \u003ctd\u003e0.3, 0.6, 1.5, 3 rpm\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003cth\u003eAccuracy\u003c\/th\u003e\n                \u003ctd\u003e±2% (Newtonian)\u003c\/td\u003e\n                \u003ctd\u003e±2% (Newtonian)\u003c\/td\u003e\n                \u003ctd\u003e±2% (Newtonian)\u003c\/td\u003e\n                \u003ctd\u003e±2% (Newtonian)\u003c\/td\u003e\n                \u003ctd\u003e±2% (Newtonian)\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003cth\u003ePower Supply\u003c\/th\u003e\n                \u003ctd\u003eAC 110V±10, 60Hz±10%\u003c\/td\u003e\n                \u003ctd\u003eAC 110V±10, 60Hz±10%\u003c\/td\u003e\n                \u003ctd\u003eAC 110V±10, 60Hz±10%\u003c\/td\u003e\n                \u003ctd\u003eAC 110V±10, 60Hz±10%\u003c\/td\u003e\n                \u003ctd\u003eAC 110V±10, 60Hz±10%\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003cth\u003eWorking Temp\u003c\/th\u003e\n                \u003ctd\u003e41 ℉ to 95 ℉(5°C to 35°C)\u003c\/td\u003e\n                \u003ctd\u003e41 ℉ to 95 ℉(5°C to 35°C)\u003c\/td\u003e\n                \u003ctd\u003e41 ℉ to 95 ℉(5°C to 35°C)\u003c\/td\u003e\n                \u003ctd\u003e41 ℉ to 95 ℉(5°C to 35°C)\u003c\/td\u003e\n                \u003ctd\u003e41 ℉ to 95 ℉(5°C to 35°C)\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003cth\u003eWorking Humidity\u003c\/th\u003e\n                \u003ctd\u003e≤80%\u003c\/td\u003e\n                \u003ctd\u003e≤80%\u003c\/td\u003e\n                \u003ctd\u003e≤80%\u003c\/td\u003e\n                \u003ctd\u003e≤80%\u003c\/td\u003e\n                \u003ctd\u003e≤80%\u003c\/td\u003e\n            \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n    \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2 class=\"section-title\"\u003eFAQ\u003c\/h2\u003e\n\u003cdiv class=\"faq-wrapper\"\u003e\n    \u003cdiv class=\"faq-block\"\u003e\n        \u003cp class=\"faq-q\"\u003e1. What are the requirements for placing the instrument?\u003c\/p\u003e\n        \u003cp class=\"faq-a\"\u003ePlace it on a stable, clean, dry, fireproof, and non-slip surface, away from corrosive gases. Keep it away from magnetic fields and vibration-free workbenches.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"faq-block\"\u003e\n        \u003cp class=\"faq-q\"\u003e2. How to select the appropriate rotor and speed?\u003c\/p\u003e\n        \u003cp class=\"faq-a\"\u003eIf the liquid viscosity is unknown, start with a lower-numbered rotor (e.g., R2) at low speed and adjust gradually. The DV2T series features an Auto Scan function that automatically recommends the optimal rotor and speed combination for your sample. You can also refer to the Measurement Range Table for each rotor's specific viscosity range.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"faq-block\"\u003e\n        \u003cp class=\"faq-q\"\u003e3. How to level the instrument?\u003c\/p\u003e\n        \u003cp class=\"faq-a\"\u003eRotate the base leveling screws until the bubble in the level indicator is centered, and recheck after installing the protection frame.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"faq-block\"\u003e\n        \u003cp class=\"faq-q\"\u003e4. How to clean the rotor?\u003c\/p\u003e\n        \u003cp class=\"faq-a\"\u003eDisassemble the rotor after each use and clean it with a suitable organic solvent.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"faq-block\"\u003e\n        \u003cp class=\"faq-q\"\u003e5. How to ensure measurement accuracy?\u003c\/p\u003e\n        \u003cp class=\"faq-a\"\u003eStrictly control the liquid temperature and immerse the rotor in the liquid for sufficient time at a consistent temperature. Avoid air bubbles, keep the rotor centered, and ensure the instrument is level. The measurement accuracy for Newtonian liquids is ±1%, with a repeatability of ±0.5%. Each measurement range is auto-calibrated by computer.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"faq-block\"\u003e\n        \u003cp class=\"faq-q\"\u003e6. How do I export measurement data?\u003c\/p\u003e\n        \u003cp class=\"faq-a\"\u003eInsert a USB drive into the standard USB port to directly copy stored data — no additional software required. For computer connectivity, use the RS232 interface to transfer data or connect a printer.\u003c\/p\u003e\n    \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"download-box\"\u003e\n    Download user manual \u003ca href=\"http:\/\/file.ussolid.com\/content\/JFDVT\/JFDVT01-manual.pdf\" target=\"_blank\"\u003ehere\u003c\/a\u003e.\n\u003c\/div\u003e","brand":"U.S. Solid","offers":[{"title":"Default Title","offer_id":48537742475519,"sku":"JFDVT01005","price":2499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/8113\/7151\/files\/1_18676f19-1e95-4f35-b957-f01bfe3a8aaf.jpg?v=1780302396","url":"https:\/\/ussolid.com\/products\/u-s-solid-rotary-viscometer-200-80-000-000-5-touch-screen-stepless-speed-control-30-test-programs-usb-output","provider":"U.S. Solid","version":"1.0","type":"link"}