{"product_id":"testkey-multichannel-four-probe-tester-tk2528","title":"Multichannel Four-Probe Resistivity Tester TK2528","description":"\u003cp\u003eThe Testkey TK2528 four-probe tester measures resistance and sheet resistance and calculates resistivity and conductivity using the specimen dimensions.\u003c\/p\u003e\n\u003cp\u003eSelect 4, 10, 20 or 30 scanning channels to suit the measurement sequence. Resistivity and conductivity calculations depend on the specimen dimensions and four-probe arrangement.\u003c\/p\u003e\n\u003ch3\u003eModel comparison and specifications\u003c\/h3\u003e\n\u003cdiv class=\"spec-table\" role=\"region\" aria-label=\"TK2528-4, TK2528-10, TK2528-20, TK2528-30 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;\"\u003eTK2528-4\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;white-space:nowrap;\"\u003eTK2528-10\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;white-space:nowrap;\"\u003eTK2528-20\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;white-space:nowrap;\"\u003eTK2528-30\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 scanning 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 range\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e1 µΩ–2 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;\"\u003eSheet resistance measurement range\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e1 µΩ\/□–2 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;\"\u003eMeasured quantities\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003eResistance, sheet resistance, resistivity and conductivity\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;\"\u003eBasic resistance accuracy\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e0.05%\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;\"\u003eBasic sheet resistance \/ resistivity accuracy\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e3%\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;\"\u003eReadout digits\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e4½\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 time\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003eFAST 12 ms\/channel, MED 27 ms\/channel, SLOW1 120 ms\/channel, 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;\"\u003eTemperature sensor inputs\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003ePt100 and Pt500\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;\"\u003eSupplied 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 RTD\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;\"\u003eSupplied four-probe accessory\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003eTSK208A linear test probe\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;\"\u003eOperating modes\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003eSingle-instrument measurement and scanning measurement\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 measurement range and accuracy\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e−10.0–299.9 °C, ±0.2 °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;\"\u003eStandard interfaces\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003eUSB DEVICE, USB HOST, RS232, HANDLER, LAN\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;\"\u003eDisplay\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e4.3-inch 480 x 272 24-bit color TFT LCD\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 x H x D)\u003c\/th\u003e\n\u003ctd colspan=\"4\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e258 x 110 x 350 mm (W x H x D)\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\u003eResistivity is calculated from the electrical measurement and specimen geometry.\u003c\/p\u003e\n\u003cp\u003eChassis reference dimensions are 213 × 87 × 320 mm (W × H × D).\u003c\/p\u003e\n\u003cp\u003eA test stand and additional probes are available separately.\u003c\/p\u003e\n\u003ch3\u003eIncluded equipment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSelected TK2528 series instrument\u003c\/li\u003e\n\u003cli\u003eTSK107 power cord\u003c\/li\u003e\n\u003cli\u003eTSK208A linear test probe\u003c\/li\u003e\n\u003cli\u003eTSK103 Pt100 RTD temperature sensor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eProduct photographs show the TK2528-30 configuration. The selected model determines the supplied electrical specification and channel configuration.\u003c\/p\u003e\n\u003cp\u003eBrowse \u003ca href=\"\/collections\/resistivity-sheet-resistance-testers\"\u003eResistivity \u0026amp; Sheet Resistance Testers\u003c\/a\u003e to compare related instruments.\u003c\/p\u003e","brand":"Testkey","offers":[{"title":"TK2528-4","offer_id":68243233636395,"sku":"ELE-11D8-01","price":4386.05,"currency_code":"USD","in_stock":true},{"title":"TK2528-10","offer_id":68243233669163,"sku":"ELE-11D8-02","price":5490.28,"currency_code":"USD","in_stock":true},{"title":"TK2528-20","offer_id":68243233701931,"sku":"ELE-11D8-03","price":6832.54,"currency_code":"USD","in_stock":true},{"title":"TK2528-30","offer_id":68243233734699,"sku":"ELE-11D8-04","price":8652.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/2133\/5851\/files\/multichannel-four-probe-tester-tk2528-main.jpg?v=1794413255","url":"https:\/\/mcooh.com\/products\/testkey-multichannel-four-probe-tester-tk2528","provider":"Mcooh","version":"1.0","type":"link"}