{"product_id":"testkey-thermistor-resistance-meter-tk2530","title":"Thermistor Resistance Meter TK2530 \/ TK2530A","description":"\u003cp\u003eCompare the Testkey TK2530 and TK2530A thermistor resistance meters by the measurement range required. Both provide six-digit readings, 0.05% basic resistance accuracy and dual-channel comparison. The selected model determines the resistance span and number of ranges.\u003c\/p\u003e\n\u003cp\u003eThe two models share the test connections, modes and package. TK2530 provides 1 µΩ–20 MΩ coverage and ten ranges, while TK2530A provides 10 µΩ–2 MΩ coverage and nine ranges.\u003c\/p\u003e\n\u003ch3\u003eModel comparison and specifications\u003c\/h3\u003e\n\u003cdiv class=\"spec-table\" role=\"region\" aria-label=\"TK2530, TK2530A specifications\" tabindex=\"0\" style=\"max-width:100%;overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;min-width:410px;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;\"\u003eTK2530\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;white-space:nowrap;\"\u003eTK2530A\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;\"\u003eResistance measurement span\u003c\/th\u003e\n\u003ctd style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e1 µΩ–20 MΩ\u003c\/td\u003e\n\u003ctd style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e10 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;\"\u003eBasic resistance accuracy\u003c\/th\u003e\n\u003ctd colspan=\"2\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e0.05% basic\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;\"\u003eRange selection\u003c\/th\u003e\n\u003ctd style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e10 ranges, automatic or manual\u003c\/td\u003e\n\u003ctd style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e9 ranges, automatic or manual\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\u003c\/th\u003e\n\u003ctd colspan=\"2\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e1 µA–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;\"\u003eReading digits\u003c\/th\u003e\n\u003ctd colspan=\"2\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e6\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 modes\u003c\/th\u003e\n\u003ctd colspan=\"2\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003eNormal, reference, dual-channel and comparison\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 connection\u003c\/th\u003e\n\u003ctd colspan=\"2\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003eFour-wire measurement plus shield, 5-terminal connection\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 rate\u003c\/th\u003e\n\u003ctd colspan=\"2\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003eSuper-fast 30, fast 20, medium 15, slow 8, precision 2 readings\/s\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;\"\u003eTrigger \/ delay \/ averaging\u003c\/th\u003e\n\u003ctd colspan=\"2\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003eInternal, manual, external or bus, 0–999 ms delay, 1–255 readings\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;\"\u003eCorrection \/ displayed results\u003c\/th\u003e\n\u003ctd colspan=\"2\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003eShort-circuit zeroing, direct reading, ΔABS and Δ%\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;\"\u003eSorting\u003c\/th\u003e\n\u003ctd colspan=\"2\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e16 comparator groups, 14 pass bins plus high\/low fail bins\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=\"2\" 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;\"\u003eOperating environment\u003c\/th\u003e\n\u003ctd colspan=\"2\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e10–40 °C, ≤90% RH\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;\"\u003eAccuracy reference environment\u003c\/th\u003e\n\u003ctd colspan=\"2\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e23 ±5 °C, ≤80% RH\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;\"\u003eAC supply \/ power consumption\u003c\/th\u003e\n\u003ctd colspan=\"2\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003e198–242 V AC, 47.5–63 Hz, ≤30 VA\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 test accessories\u003c\/th\u003e\n\u003ctd colspan=\"2\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003eRS232 communication cable and two Kelvin test leads\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=\"2\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003eAC 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=\"2\" 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=\"2\" 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\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;\"\u003eThermistor types\u003c\/th\u003e\n\u003ctd colspan=\"2\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003ePTC and NTC\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;\"\u003eThermistor evaluation functions\u003c\/th\u003e\n\u003ctd colspan=\"2\" style=\"padding:8px 10px;text-align:left;vertical-align:top;border:1px solid #dce0e5;\"\u003eTemperature compensation, temperature conversion and B-value calculation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp\u003eTemperature compensation and temperature conversion support thermistor comparison.\u003c\/p\u003e\n\u003cp\u003eChassis reference dimensions are 213 × 87 × 320 mm (W × H × D).\u003c\/p\u003e\n\u003cp\u003ePC data-acquisition software is optional.\u003c\/p\u003e\n\u003ch3\u003eIncluded equipment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSelected TK2530 or TK2530A instrument\u003c\/li\u003e\n\u003cli\u003eAC mains power cord\u003c\/li\u003e\n\u003cli\u003eRS232 communication cable\u003c\/li\u003e\n\u003cli\u003eKelvin test leads (2)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eProduct photographs show the TK2530 instrument.\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":"TK2530","offer_id":68243230916651,"sku":"ELE-19E6-01","price":2889.96,"currency_code":"USD","in_stock":true},{"title":"TK2530A","offer_id":68247369154603,"sku":"ELE-19E6-02","price":1756.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/2133\/5851\/files\/thermistor-resistance-meter-tk2530-main.jpg?v=1794413168","url":"https:\/\/mcooh.com\/products\/testkey-thermistor-resistance-meter-tk2530","provider":"Mcooh","version":"1.0","type":"link"}