VERSATILE COMPATIBILITY: Try a wide range of devices such as the 74HC series, operational amplifiers, voltage regulators and more, covering the most common devices within 24 . COMPREHENSIVE TESTING - Perform logical device tests, operational amplifier comparisons, transistor identification, voltage regulator value testing, and optocoupler testing with this versatile instrument. MULTI-FUNCTIONAL TESTING - This integrated circuit tester offers several test modes, including 5V, 3.3V and AUTO modes, which meet the needs of microelectronic engineers and maintenance personnel. EFFICIENT PERFORMANCE: With over 1300 built-in chip data and 420 transistor data, this tester streamlines workload and significantly improves work efficiency. AUTO-OFF FUNCTION: The tester automatically shuts off after 60 seconds of inactivity, combining convenience with a small and portable design, for circuit testing., Weight: 0.26235009178 Pounds, Manufacturer: Rtxbvg