{"product_id":"testkey-scanning-resistance-meter-tk2519","title":"Multichannel Resistance Meter TK2519 - Range to 20 MΩ","description":"\u003cp\u003eThe Testkey TK2519 scanning resistance meter measures from 1 µΩ–20 MΩ using four-terminal connections. Select the exact model by the installed channel count shown below. Standalone and scanning modes share the color display and temperature compensation functions.\u003c\/p\u003e\n\u003cp\u003eChoose the number of installed scanning channels required by the test. The resistance span, four-terminal measurement method and supplied PT100 sensor are shared across these models.\u003c\/p\u003e\n\u003ch3\u003eModel comparison and specifications\u003c\/h3\u003e\n\u003cdiv class=\"spec-table\" role=\"region\" aria-label=\"TK2519-4, TK2519-10, TK2519-20, TK2519-30 specifications\" tabindex=\"0\" style=\"max-width:100%;overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;min-width:660px;border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;position:sticky;left:0;background:#edf3f4;\"\u003eSpecification\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;white-space:nowrap;\"\u003eTK2519-4\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;white-space:nowrap;\"\u003eTK2519-10\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;white-space:nowrap;\"\u003eTK2519-20\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;white-space:nowrap;\"\u003eTK2519-30\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;position:sticky;left:0;background:#f7f9fa;min-width:145px;\"\u003eIncluded measurement channels\u003c\/th\u003e\n\u003ctd style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e4\u003c\/td\u003e\n\u003ctd style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e10\u003c\/td\u003e\n\u003ctd style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e20\u003c\/td\u003e\n\u003ctd style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;position:sticky;left:0;background:#f7f9fa;min-width:145px;\"\u003eResistance measurement span\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e1 µΩ–20 MΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;position:sticky;left:0;background:#f7f9fa;min-width:145px;\"\u003eResistance accuracy by range\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e0.1% on 20 mΩ, 0.05% on 200 mΩ–200 kΩ ranges, 2% on the highest range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;position:sticky;left:0;background:#f7f9fa;min-width:145px;\"\u003eMinimum stated resistance \/ reading digits\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e1 µΩ, 4½ digits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;position:sticky;left:0;background:#f7f9fa;min-width:145px;\"\u003eMeasurement connection \/ modes\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003eFour-terminal, standalone and scanning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;position:sticky;left:0;background:#f7f9fa;min-width:145px;\"\u003eLowest range \/ test current\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e20 mΩ at 1 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;position:sticky;left:0;background:#f7f9fa;min-width:145px;\"\u003eTest current settings\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e1 A, 100 mA, 10 mA, 1 mA, 100 µA, 10 µA, 1 µA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;position:sticky;left:0;background:#f7f9fa;min-width:145px;\"\u003eResistance measurement time\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003eFAST 12, MED 27, SLOW1 120, SLOW2 244 ms\/channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;position:sticky;left:0;background:#f7f9fa;min-width:145px;\"\u003eLow-voltage measurement\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003eOpen-circuit voltage ≤40 mV on 2 Ω, 20 Ω, 200 Ω and 2 kΩ ranges\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;position:sticky;left:0;background:#f7f9fa;min-width:145px;\"\u003eThermal-EMF cancellation\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;position:sticky;left:0;background:#f7f9fa;min-width:145px;\"\u003eTemperature sensors \/ measurement span\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003ePT100 or PT500, −10.0 to 299.9 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;position:sticky;left:0;background:#f7f9fa;min-width:145px;\"\u003eTemperature accuracy \/ measurement time\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e±0.2 °C basic, 30 ±10 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;position:sticky;left:0;background:#f7f9fa;min-width:145px;\"\u003eTemperature compensation\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;position:sticky;left:0;background:#f7f9fa;min-width:145px;\"\u003eStandard interfaces\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003eUSB HOST, USB DEVICE, RS232, HANDLER\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;position:sticky;left:0;background:#f7f9fa;min-width:145px;\"\u003eRemote protocols\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003eSCPI, MODBUS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;position:sticky;left:0;background:#f7f9fa;min-width:145px;\"\u003eStored setups\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;position:sticky;left:0;background:#f7f9fa;min-width:145px;\"\u003eOptional expanded channel capacity\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003eUp to 200 channels with additional scanning hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;position:sticky;left:0;background:#f7f9fa;min-width:145px;\"\u003eIncluded resistance lead\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003eTSK101 four-terminal test lead with clips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;position:sticky;left:0;background:#f7f9fa;min-width:145px;\"\u003eIncluded scanning lead\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003eTSK104 four-terminal low-resistance scanning test lead\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;position:sticky;left:0;background:#f7f9fa;min-width:145px;\"\u003eIncluded temperature sensor\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003eTSK103 PT100 temperature sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;position:sticky;left:0;background:#f7f9fa;min-width:145px;\"\u003eIncluded mains cord\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003eTSK107 AC mains cord\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;position:sticky;left:0;background:#f7f9fa;min-width:145px;\"\u003eOverall dimensions (W × H × D)\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e258 × 110 × 350 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;position:sticky;left:0;background:#f7f9fa;min-width:145px;\"\u003eNet weight\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e3.6 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp\u003eChassis reference dimensions are 213 × 87 × 320 mm (W × H × D).\u003c\/p\u003e\n\u003cp\u003eHI \/ IN \/ LO comparison supports limit-based inspection.\u003c\/p\u003e\n\u003cp\u003eOffset-voltage compensation and user calibration support repeated low-resistance measurements.\u003c\/p\u003e\n\u003cp\u003eAdditional scanning hardware supports expansion to 200 channels. The selected model includes the channel count stated in the table.\u003c\/p\u003e\n\u003ch3\u003eIncluded equipment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSelected instrument with the channel count shown in the model table\u003c\/li\u003e\n\u003cli\u003eTSK107 AC mains cord\u003c\/li\u003e\n\u003cli\u003eTSK101 four-terminal test lead with clips\u003c\/li\u003e\n\u003cli\u003eTSK104 four-terminal low-resistance scanning test lead\u003c\/li\u003e\n\u003cli\u003eTSK103 PT100 temperature sensor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eProduct photographs show the TK2519-30 configuration. The selected model determines the supplied electrical specification and channel configuration.\u003c\/p\u003e\n\u003cp\u003eBrowse \u003ca href=\"\/collections\/resistance-meters\"\u003eResistance Meters\u003c\/a\u003e to compare related instruments.\u003c\/p\u003e","brand":"Testkey","offers":[{"title":"TK2519-4","offer_id":68243226001451,"sku":"ELE-C8BE-01","price":2679.62,"currency_code":"USD","in_stock":true},{"title":"TK2519-10","offer_id":68243226034219,"sku":"ELE-C8BE-02","price":3204.01,"currency_code":"USD","in_stock":true},{"title":"TK2519-20","offer_id":68243226066987,"sku":"ELE-C8BE-03","price":3938.17,"currency_code":"USD","in_stock":true},{"title":"TK2519-30","offer_id":68243226099755,"sku":"ELE-C8BE-04","price":4725.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/2133\/5851\/files\/scanning-resistance-meter-tk2519-main.jpg?v=1794413139","url":"https:\/\/mcooh.com\/products\/testkey-scanning-resistance-meter-tk2519","provider":"Mcooh","version":"1.0","type":"link"}