IC tester, measures logic chips, including 74HC, 74LS, CD40, HEF40 45/145 series, op amps, optocouplers, diodes, Zener diodes, transistors, field-effect transistors, thyristors, etc., and can measure quality and identify model numbers. Place the chip in the tester and click the button to measure. Easy-to-use test board with diode and transistor chip mounts, a built-in lithium battery, and a Type C charging port for charging with a mobile phone charger (charger cable not included). The test socket has a wide 20-pin body and a narrow 16-pin body., Manufacturer: Akfldms