Features 1、4 Test Frequency: The VI curve tester has 4 test frequencies, which can be connected to oscilloscopes, analog oscilloscopes and digital oscilloscopes for use 2、Dual Signal Input: The curve tester can input dual signals and alternate display, which is more convenient to observe 3、4 Gear Speed: The curve tester has 4 gear frequency speed, the alternating speed can be adjusted according to different situation 4、Simple Operation: One key to open single channel or alternate display function, this curve tester is easy to use 5、Application: The ASA tester is used for circuit board inspection and maintenance, component screening, which is an important testing equipment Specification Item Type: VI Curve Tester Material: ABS Channel: 2 Frequency: 4 gears Package List 1 x VI Curve Tester 2 x BNC Cable 2 x Test Cable