Include logic device test, interface driver device test, op amp, comparison test, transistor identification, voltage regulator voltage value test, optocoupler. Multifunction integrated circuit tester is a professional instrument designed for microelectronics engineers and maintenance personnel. Different test modes can be , such as 5V mode, 3.3V mode, AUTO mode, etc. Test 74HC series, 74LS series, CD4000 series, HEF400 series, 4500 series, operational amplifiers, interface chips, optocouplers, automatic transistor identification, voltage regulator voltage identification, etc. With more than 1,300 types of built in chip data and more than 420 types of transistor data , covering most common devices within 24 pins, greatly reduce workload and improve work efficiency. The integrated circuit tester automatically shut down after 60 seconds without any . Small and portable design, suitable for circuit testing., Weight: 0.44312914662 pounds, Manufacturer: Kueohse