{"product_id":"calibrated-narda-nardalert-s3-2270-01-personal-emf-monitor-2271-31-icnirp-sensor","title":"Calibrated Narda Nardalert S3 2270\/01 Personal EMF Monitor 2271\/31 ICNIRP Sensor","description":"\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Seller refurbished\u003c\/p\u003e\n\n\n\u003cmeta http-equiv=\"Content-Type\" content=\"text\/html; charset=UTF-8\"\u003e\n\u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\n\u003ctitle\u003e\u003c\/title\u003e\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=Open+Sans:wght@400;700\u0026amp;family=Montserrat\u0026amp;display=swap\" rel=\"stylesheet\" type=\"text\/css\"\u003e\n\u003cstyle type=\"text\/css\"\u003e\n\n\/* ── Reset ── *\/\n*, ::after, ::before { box-sizing: border-box; }\nbody { margin: 0; padding: 0; background-color: #ececec; color: #000000; }\ntable, td, tr { border-collapse: collapse; vertical-align: top; }\np { margin: 0; }\nstrong { font-weight: 700; }\n\n\/* ── Outer wrapper ── *\/\n.tt-wrap {\n    max-width: 1200px;\n    margin: 0 auto;\n    background: #ffffff;\n}\n\n\/* ── NAVIGATION — desktop only ── *\/\n.tt-nav { background: #ffffff; display: none; }\n@media (min-width: 601px) { .tt-nav { display: block; } }\n.tt-nav ul {\n    list-style: none; margin: 0; padding: 0;\n    display: flex; width: 100%;\n    font-family: 'Open Sans', Arial, sans-serif;\n}\n.tt-nav ul li { flex: 1; text-align: center; position: relative; }\n.tt-nav ul li a {\n    display: block; padding: 14px 8px;\n    font-size: 11pt; color: #191919; text-decoration: none;\n    border-right: 1px solid #eee;\n    transition: color 0.2s;\n}\n.tt-nav ul li:last-child a { border-right: none; }\n.tt-nav ul li a:hover { color: #007BFF; }\n\n\/* Dropdown menus *\/\n.tt-nav ul li ul {\n    display: none; position: absolute; top: 100%; left: 0;\n    background: #ffffff; padding: 10px; list-style: none;\n    box-shadow: 0 4px 10px rgba(0,0,0,0.1);\n    min-width: 200px; z-index: 999; text-align: left;\n}\n.tt-nav ul li:hover \u003e ul { display: block; }\n.tt-nav ul li ul li { flex: none; }\n.tt-nav ul li ul li a { font-size: 12px; padding: 6px 8px; border-right: none; }\n\n\/* ── BANNER — desktop only ── *\/\n.tt-banner { display: none; }\n@media (min-width: 601px) {\n    .tt-banner {\n        display: block;\n        background: url(https:\/\/i.ebayimg.com\/images\/g\/ShMAAOSw6EdoIyeE\/s-l1600.webp) center \/ cover no-repeat;\n        height: 220px;\n        padding: 36px 30px 10px;\n        line-height: 1.2;\n    }\n    .tt-banner p { margin: 0; }\n    .tt-banner .tt-banner-welcome  { font-size: 14px; color: #fff; font-family: 'Open Sans', sans-serif; }\n    .tt-banner .tt-banner-brand    { font-size: 52px; color: #fff; font-weight: 700; font-family: 'Open Sans', sans-serif; }\n    .tt-banner .tt-banner-tagline  { font-size: 14px; color: #fff; font-weight: 700; font-family: 'Open Sans', sans-serif; }\n}\n\n\/* ── TRUST BADGES — desktop only ── *\/\n.tt-badges { display: none; }\n@media (min-width: 601px) {\n    .tt-badges {\n        display: table; width: 100%;\n        border-bottom: 2px solid #000000;\n        border-collapse: collapse;\n    }\n    .tt-badges td {\n        width: 33.33%; padding: 16px 10px;\n        text-align: center;\n        border-right: 1px solid #dddddd;\n        font-family: 'Open Sans', sans-serif;\n    }\n    .tt-badges td:last-child { border-right: none; }\n    .tt-badge-icon  { font-size: 26px; line-height: 1; }\n    .tt-badge-title { font-size: 13px; font-weight: bold; color: #191919; margin-top: 5px; }\n    .tt-badge-sub   { font-size: 11px; color: #666666; margin-top: 2px; }\n}\n\n\/* ── PRODUCT TITLE ── *\/\n.tt-title {\n    padding: 16px 16px 8px;\n    text-align: center;\n    font-family: 'Open Sans', Arial, sans-serif;\n}\n.tt-title h1 {\n    margin: 0;\n    font-size: clamp(17px, 3vw, 28px);\n    font-weight: 700;\n    color: #000000;\n    line-height: 1.3;\n}\n\n\/* ── IMAGE NOTE ── *\/\n.tt-image-note {\n    margin: 0 16px 8px;\n    padding: 8px 12px;\n    background: #f9f9f9;\n    border-left: 3px solid #cccccc;\n    font-family: Verdana, sans-serif;\n    font-size: 13px;\n    color: #555555;\n    font-style: italic;\n}\n\n\/* ── ITEM DESCRIPTION HEADER BAR ── *\/\n.tt-desc-header {\n    margin: 8px 16px 0;\n    background: #000000;\n    color: #ffffff;\n    padding: 10px 14px;\n    font-family: Arial, sans-serif;\n    font-weight: bold;\n    font-size: 14px;\n}\n\n\/* ── DESCRIPTION CONTENT ── *\/\n.tt-desc {\n    margin: 0 16px 16px;\n    padding: 8px 8px 16px;\n    border-left: 1px solid #cccccc;\n    border-right: 1px solid #cccccc;\n    border-bottom: 1px solid #cccccc;\n}\n\n\/* Tables inside description *\/\n.tt-desc table {\n    width: 100%;\n    border-collapse: collapse;\n    font-family: Verdana, sans-serif;\n    font-size: 13px;\n    margin: 14px 0;\n    table-layout: fixed;\n}\n.tt-desc table td {\n    padding: 7px 10px;\n    border: 1px solid #dddddd;\n    word-break: break-word;\n    vertical-align: top;\n}\n.tt-desc table tr:nth-child(even) { background: #f9f9f9; }\n\n\/* Black header rows inside tables *\/\n.tt-desc table td[colspan] {\n    background: #000000 !important;\n    color: #ffffff;\n    font-weight: bold;\n    padding: 8px 12px;\n}\n\n\/* Left column bold (spec label) *\/\n.tt-desc table tr td:first-child:not([colspan]) {\n    width: 38%;\n    font-weight: bold;\n}\n\n\/* Lists inside description *\/\n.tt-desc ul {\n    margin: 4px 0;\n    padding-left: 18px;\n    line-height: 1.7;\n    font-family: Verdana, sans-serif;\n    font-size: 13px;\n}\n\n\/* Overview paragraph *\/\n.tt-desc p {\n    font-family: Verdana, sans-serif;\n    font-size: 14px;\n    color: #191919;\n    line-height: 1.7;\n    margin: 12px 0;\n}\n\n\/* Staff flag \/ FAO note *\/\n.tt-desc p[style*=\"cc0000\"],\n.tt-desc li p[style*=\"cc0000\"] {\n    font-family: Verdana, sans-serif;\n    font-size: 13px;\n    color: #cc0000 !important;\n    font-weight: bold;\n    margin: 8px 0;\n}\n\n\/* Alignment helpers (used by AI-generated content) *\/\n.ql-align-center { text-align: center; }\n.ql-align-right  { text-align: right; }\n.ql-align-left   { text-align: left; }\n\n\/* ── MOBILE: tighten tables on small screens ── *\/\n@media (max-width: 500px) {\n    .tt-desc, .tt-desc-header, .tt-image-note { margin-left: 8px; margin-right: 8px; }\n    .tt-desc table td { font-size: 12px; padding: 6px 8px; }\n    .tt-desc table tr td:first-child:not([colspan]) { width: 42%; }\n    .tt-title h1 { font-size: 16px; }\n}\n\n\/* ── TABS ── *\/\n.tt-tabs-section { padding: 30px 16px 20px; }\n\n\/* Hidden radio inputs *\/\n.tt-tab-radio {\n    position: absolute;\n    left: -9999px;\n    width: 0; height: 0;\n}\n\n\/* Tab label row — flex wrap so labels share width and wrap on tiny screens *\/\n.tt-tab-labels {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 5px;\n    margin-bottom: 0;\n}\n\n\/* Individual tab label *\/\n.tt-tab-label {\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    flex: 1;\n    min-width: 70px;\n    padding: 10px 8px;\n    border: 1px solid #000000;\n    background: #ffffff;\n    color: #000000;\n    font-family: Montserrat, Arial, sans-serif;\n    font-size: 13px;\n    text-align: center;\n    line-height: 1.2;\n    cursor: pointer;\n    transition: background 0.15s, color 0.15s;\n}\n.tt-tab-label:hover { background: #eeeeee; }\n\n\/* Tab content box *\/\n.tt-tab-content {\n    border: 1px solid #000000;\n    padding: 16px;\n    font-family: Verdana, sans-serif;\n    font-size: 13px;\n    color: #191919;\n    line-height: 1.6;\n}\n.tt-tab-content p { margin: 0 0 10px; }\n.tt-tab-content p:last-child { margin-bottom: 0; }\n.tt-tab-content ul { padding-left: 20px; margin: 0; }\n.tt-tab-content ul li { margin-bottom: 6px; }\n.tt-tab-content a { color: #0000ee; text-decoration: underline; }\n\n\/* Tab panes hidden by default *\/\n.tt-tab-pane { display: none; }\n\n\/* CSS-only tab switching — active label highlight *\/\n#tt-tab1:checked ~ .tt-tab-labels .tt-tab-label[for=\"tt-tab1\"],\n#tt-tab2:checked ~ .tt-tab-labels .tt-tab-label[for=\"tt-tab2\"],\n#tt-tab3:checked ~ .tt-tab-labels .tt-tab-label[for=\"tt-tab3\"],\n#tt-tab4:checked ~ .tt-tab-labels .tt-tab-label[for=\"tt-tab4\"],\n#tt-tab5:checked ~ .tt-tab-labels .tt-tab-label[for=\"tt-tab5\"] {\n    background: #000000 !important;\n    color: #ffffff !important;\n}\n\n\/* CSS-only tab switching — show active pane *\/\n#tt-tab1:checked ~ .tt-tab-content .tt-tab-pane:nth-child(1),\n#tt-tab2:checked ~ .tt-tab-content .tt-tab-pane:nth-child(2),\n#tt-tab3:checked ~ .tt-tab-content .tt-tab-pane:nth-child(3),\n#tt-tab4:checked ~ .tt-tab-content .tt-tab-pane:nth-child(4),\n#tt-tab5:checked ~ .tt-tab-content .tt-tab-pane:nth-child(5) {\n    display: block;\n}\n\n@media (max-width: 500px) {\n    .tt-tab-label { font-size: 12px; padding: 8px 4px; min-width: 55px; }\n    .tt-tabs-section { padding: 20px 8px 16px; }\n}\n\n\u003c\/style\u003e\n\n\n\u003cdiv class=\"tt-wrap\"\u003e\n\n\u003c!-- ═══ NAVIGATION (desktop only) ═══ --\u003e\n\u003cdiv class=\"tt-nav\"\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003ca href=\"https:\/\/www.ebay.co.uk\/str\/ttinstruments\"\u003eElectronic T\u0026amp;M\u003c\/a\u003e\n      \u003cul\u003e\n        \u003cli\u003e\u003ca href=\"https:\/\/www.ebay.co.uk\/str\/ttinstruments\/Multifunction-Appliance-Test\/_i.html?store_cat=39447829018\"\u003eMultifunction \u0026amp; Appliance Testers\u003c\/a\u003e\u003c\/li\u003e\n        \u003cli\u003e\u003ca href=\"https:\/\/www.ebay.co.uk\/str\/ttinstruments\/Multimeters-Clamp-Meters\/_i.html?store_cat=39447995018\"\u003eMultimeters \u0026amp; Clamp Meters\u003c\/a\u003e\u003c\/li\u003e\n        \u003cli\u003e\u003ca href=\"https:\/\/www.ebay.co.uk\/str\/ttinstruments\/Oscilloscopes-Accessories\/_i.html?store_cat=39447827018\"\u003eOscilloscopes \u0026amp; Accessories\u003c\/a\u003e\u003c\/li\u003e\n        \u003cli\u003e\u003ca href=\"https:\/\/www.ebay.co.uk\/str\/ttinstruments\/Power-Supplies\/_i.html?store_cat=39447826018\"\u003ePower Supplies\u003c\/a\u003e\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"https:\/\/www.ebay.co.uk\/str\/ttinstruments\"\u003eRF \u0026amp; Microwave\u003c\/a\u003e\n      \u003cul\u003e\n        \u003cli\u003e\u003ca href=\"https:\/\/www.ebay.co.uk\/str\/ttinstruments\/Spectrum-Analysers-VNAs\/_i.html?store_cat=45020135018\"\u003eSpectrum Analysers \u0026amp; VNAs\u003c\/a\u003e\u003c\/li\u003e\n        \u003cli\u003e\u003ca href=\"https:\/\/www.ebay.co.uk\/str\/ttinstruments\/Cable-Antenna-Analysers\/_i.html?store_cat=45020134018\"\u003eCable \u0026amp; Antenna Analysers\u003c\/a\u003e\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"https:\/\/www.ebay.co.uk\/str\/ttinstruments\"\u003eFiber Optics\u003c\/a\u003e\n      \u003cul\u003e\n        \u003cli\u003e\u003ca href=\"https:\/\/www.ebay.co.uk\/str\/ttinstruments\/OTDR\/_i.html?store_cat=39439326018\"\u003eOTDR\u003c\/a\u003e\u003c\/li\u003e\n        \u003cli\u003e\u003ca href=\"https:\/\/www.ebay.co.uk\/str\/ttinstruments\/Splicing\/_i.html?store_cat=39439322018\"\u003eSplicing\u003c\/a\u003e\u003c\/li\u003e\n        \u003cli\u003e\u003ca href=\"https:\/\/www.ebay.co.uk\/str\/ttinstruments\/Loss-Testers-Fault-Locators\/_i.html?store_cat=39439494018\"\u003eLoss Testers \u0026amp; Fault Locators\u003c\/a\u003e\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"https:\/\/www.ebay.co.uk\/str\/ttinstruments\"\u003eNetwork Testers\u003c\/a\u003e\n      \u003cul\u003e\n        \u003cli\u003e\u003ca href=\"https:\/\/www.ebay.co.uk\/str\/ttinstruments\/LAN-Cable-testers-certifiers\/_i.html?store_cat=45020144018\"\u003eLAN Cable Testers \u0026amp; Certifiers\u003c\/a\u003e\u003c\/li\u003e\n        \u003cli\u003e\u003ca href=\"https:\/\/www.ebay.co.uk\/str\/ttinstruments\/10G-Testers\/_i.html?store_cat=45020197018\"\u003e10G Testers\u003c\/a\u003e\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/www.ebay.co.uk\/str\/ttinstruments\"\u003eSatellite \u0026amp; GPS\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/www.ebay.co.uk\/str\/ttinstruments\"\u003eMedical \u0026amp; Lab\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/www.ebay.co.uk\/str\/ttinstruments\"\u003eIndustrial\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003c!-- ═══ BANNER (desktop only) ═══ --\u003e\n\u003cdiv class=\"tt-banner\"\u003e\n  \u003cp class=\"tt-banner-welcome\"\u003eWELCOME TO\u003c\/p\u003e\n  \u003cp class=\"tt-banner-brand\"\u003eTT Instruments\u003c\/p\u003e\n  \u003cp class=\"tt-banner-tagline\"\u003eTop Brands | Great Prices | Rapid Delivery\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c!-- ═══ TRUST BADGES (desktop only) ═══ --\u003e\n\u003ctable class=\"tt-badges\" role=\"presentation\" cellpadding=\"0\" cellspacing=\"0\"\u003e\n  \u003ctbody\u003e\n\u003ctr\u003e\n    \u003ctd\u003e\n      \u003cdiv class=\"tt-badge-icon\"\u003e✅\u003c\/div\u003e\n      \u003cdiv class=\"tt-badge-title\"\u003eQUALITY PRODUCTS\u003c\/div\u003e\n      \u003cdiv class=\"tt-badge-sub\"\u003eTop brands, rigorously checked\u003c\/div\u003e\n    \u003c\/td\u003e\n    \u003ctd\u003e\n      \u003cdiv class=\"tt-badge-icon\"\u003e✅\u003c\/div\u003e\n      \u003cdiv class=\"tt-badge-title\"\u003eFAST WORLDWIDE SHIPPING\u003c\/div\u003e\n      \u003cdiv class=\"tt-badge-sub\"\u003eExpress delivery to your door\u003c\/div\u003e\n    \u003c\/td\u003e\n    \u003ctd\u003e\n      \u003cdiv class=\"tt-badge-icon\"\u003e✅\u003c\/div\u003e\n      \u003cdiv class=\"tt-badge-title\"\u003eCOMPETITIVE PRICES\u003c\/div\u003e\n      \u003cdiv class=\"tt-badge-sub\"\u003eBest value for quality equipment\u003c\/div\u003e\n    \u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003c!-- ═══ PRODUCT TITLE ═══ --\u003e\n\u003cdiv class=\"tt-title\"\u003e\n  \u003ch1\u003eNarda Nardalert S3 2270\/01 Personal EMF Monitor 2271\/31 ICNIRP Calibrated\u003c\/h1\u003e\n\u003c\/div\u003e\n\n\u003c!-- ═══ IMAGE NOTE ═══ --\u003e\n\u003cdiv class=\"tt-image-note\"\u003e\n  \u003cp style=\"font-family: Verdana, sans-serif; font-size: 13px; color: #555555; font-style: italic; margin: 8px 0; padding: 8px 12px; background: #f9f9f9; border-left: 3px solid #cccccc;\"\u003ePlease note that we have 5 of these units in stock. The item you receive may differ slightly in cosmetic appearance from the one shown, but will be in a similar overall condition.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c!-- ═══ ITEM DESCRIPTION HEADER ═══ --\u003e\n\u003cdiv class=\"tt-desc-header\"\u003eItem Description\u003c\/div\u003e\n\n\u003c!-- ═══ DESCRIPTION CONTENT (AI-generated HTML injected here) ═══ --\u003e\n\u003cdiv class=\"tt-desc\"\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; font-family: Verdana, sans-serif; font-size: 13px; margin: 14px 0;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\" style=\"padding:8px 12px; background:#000000; color:#ffffff;\"\u003e\u003cstrong\u003eCondition \u0026amp; Functionality\u003c\/strong\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; width:38%; font-weight:bold;\"\u003eCondition\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003eUsed — cosmetically good condition - multiple units ins tock so actual may differ \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eFunctionality\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003eFully tested and working. Self-test passes (Memory ✓, Hardware ✓). Alarm thresholds verified at 50% and 100% of reference level.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eCalibration\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003eProfessionally calibrated by Glanford Electronics Ltd (GEL), Calibration date: 01 May 2026. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; font-family: Verdana, sans-serif; font-size: 13px; margin: 14px 0;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003ctd style=\"padding:8px 12px; background:#000000; color:#ffffff;\"\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003e\u003cul style=\"margin:4px 0; padding-left:18px; line-height:1.7;\"\u003e\n\u003cli\u003eNarda Nardalert S3 Mainframe (2270\/01) with fitted 2271\/31 ICNIRP sensor module\u003c\/li\u003e\n\u003cli\u003eHard carry case\u003c\/li\u003e\n\u003cli\u003eUK mains USB power supply \/ charger\u003c\/li\u003e\n\u003cli\u003eUSB data\/charge cable\u003c\/li\u003e\n\u003cli\u003eCalibration certificate (Glanford Electronics Ltd, May 2026)\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp style=\"font-family: Verdana, sans-serif; font-size: 14px; color: #191919; line-height: 1.7; margin: 10px 0;\"\u003eThe Narda Nardalert S3 (Model 2270\/01) is a compact, body-worn personal EMF safety monitor designed for use in electric fields from 100 kHz to 50 GHz, with ELF immunity up to 100 kV\/m. Each unit is fitted with the 2271\/31 ICNIRP 1998 Occupational sensor module, configured for E-field shaped response and compliant with the ICNIRP 1998 occupational exposure guideline — widely used by telecoms engineers, antenna riggers, and RF safety officers working near base stations and high-power transmitters. All five units have been professionally calibrated by Glanford Electronics Ltd in May 2026, traceable to UK National Standards.\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; font-family: Verdana, sans-serif; font-size: 13px; margin: 14px 0;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\" style=\"padding:8px 12px; background:#000000; color:#ffffff;\"\u003e\u003cstrong\u003eUnit Configuration\u003c\/strong\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; width:38%; font-weight:bold;\"\u003eMainframe Model\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003eNarda Nardalert S3 — 2270\/01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eSensor Module\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003e2271\/31 — ICNIRP 1998 Occupational, E-field, Shaped\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eSensor Frequency Range\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003e100 kHz to 50 GHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eStandard \/ Guideline\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003eICNIRP 1998 Occupational (also compliant with EMF Directive 2013\/35\/EU and ICNIRP 2020 for frequencies above 30 MHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eAlarm Levels\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003e50% and 100% of reference level (factory set; configurable via NS3-TS software)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; font-family: Verdana, sans-serif; font-size: 13px; margin: 14px 0;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\" style=\"padding:8px 12px; background:#000000; color:#ffffff;\"\u003e\u003cstrong\u003eKey Technical Specifications\u003c\/strong\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; width:38%; font-weight:bold;\"\u003eFrequency Range (with 2271\/31 sensor)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003e100 kHz to 50 GHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eMainframe Frequency Coverage\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003eUp to 100 GHz (sensor dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eField Measured\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003eElectric field (E-field), shaped response\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eMonitor Range\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003e5% to 200% of standard or guideline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eELF Immunity (50\/60 Hz)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003eUp to 100 kV\/m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eAlarm Types\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003eVisual (LED), audible, and vibratory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eDisplay\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003eColour LCD — top-mounted for at-a-glance reading when worn on body\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eBattery\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003eSingle RCR123A rechargeable — charges via USB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003ePC Interface\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003eUSB (mini) and Fibre Optic (RP-02); serial, full-duplex, 57600 baud\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003e230 g (with sensor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003e117 x 82.6 x 31.8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eCalibration Interval\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003e4 years (mainframe); 2 years (sensor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eCompliance\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003eICNIRP 1998 Occupational, EMF Directive 2013\/35\/EU, ICNIRP 2020 (\u0026gt;30 MHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003c!-- ═══ TABS: About Us \/ Shipping \/ Returns \/ Terms \/ Contact ═══ --\u003e\n\u003cdiv class=\"tt-tabs-section\"\u003e\n\n  \u003cinput class=\"tt-tab-radio\" type=\"radio\" name=\"tt-tabs\" id=\"tt-tab1\" checked\u003e\n  \u003cinput class=\"tt-tab-radio\" type=\"radio\" name=\"tt-tabs\" id=\"tt-tab2\"\u003e\n  \u003cinput class=\"tt-tab-radio\" type=\"radio\" name=\"tt-tabs\" id=\"tt-tab3\"\u003e\n  \u003cinput class=\"tt-tab-radio\" type=\"radio\" name=\"tt-tabs\" id=\"tt-tab4\"\u003e\n  \u003cinput class=\"tt-tab-radio\" type=\"radio\" name=\"tt-tabs\" id=\"tt-tab5\"\u003e\n\n  \u003cdiv class=\"tt-tab-labels\"\u003e\n    \u003clabel class=\"tt-tab-label\" for=\"tt-tab1\"\u003eAbout Us\u003c\/label\u003e\n    \u003clabel class=\"tt-tab-label\" for=\"tt-tab2\"\u003eShipping\u003c\/label\u003e\n    \u003clabel class=\"tt-tab-label\" for=\"tt-tab3\"\u003eReturns\u003c\/label\u003e\n    \u003clabel class=\"tt-tab-label\" for=\"tt-tab4\"\u003eTerms\u003c\/label\u003e\n    \u003clabel class=\"tt-tab-label\" for=\"tt-tab5\"\u003eContact\u003c\/label\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"tt-tab-content\"\u003e\n\n    \u003cdiv class=\"tt-tab-pane\"\u003e\n      \u003cp\u003eTT Instruments is an ISO 9001 certified company based in the UK, offering a wide range of used Test \u0026amp; Measurement (T\u0026amp;M) equipment at hugely discounted prices. We specialise in telecoms and fiber optic test equipment such as OTDRs, OSAs, fusion splicers, DSL cable testers, CATV, ethernet\/network testers and much more. Devices from leading brands such as EXFO, VIAVI \/ JDSU, Keysight \/ Agilent, Fujikura, Sumitomo, Narda, Argus and Anritsu are stocked by us.\u003c\/p\u003e\n      \u003cp\u003eWe also BUY test equipment — please contact us for a quote via \u003ca href=\"https:\/\/www.ttinstruments.com\"\u003ewww.ttinstruments.com\u003c\/a\u003e\u003c\/p\u003e\n      \u003cp\u003eBusiness hours: Mon-Fri 10am - 4pm (UK time). 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All orders are subject to acceptance by us. Prices are subject to change without notice. Payment must be received prior to shipping. Delivery times are estimates only. For full terms, please message us via eBay.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"tt-tab-pane\"\u003e\n      \u003cp\u003eYou may message us via eBay. We aim to respond within 2 hours during our business hours (Mon-Fri, 10AM - 4PM UK TIME).\u003c\/p\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003c!-- \/.tt-wrap --\u003e\n\n","brand":"Narda","offers":[{"title":"Default Title","offer_id":57418826318206,"sku":"8539 7F04 ER60","price":297.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/9492\/9575\/files\/57_6e6ce91c-6da5-42f5-a8c1-49a283bae456.jpg?v=1778844321","url":"https:\/\/www.ttinstruments.com\/products\/calibrated-narda-nardalert-s3-2270-01-personal-emf-monitor-2271-31-icnirp-sensor","provider":"TT Instruments","version":"1.0","type":"link"}