1Pcs Four-Pin Optocoupler In-Line Test Board 3.0/4.0/5.0 Generation Optocoupler Tester Electronic Repair Optocoupler Test Board

Features: 1. Flexible probe, single-handed operation, rapid and efficient 2. Optional Type-C/Micro-B ports, no external power supply required, low power consumption, durable and long-lasting 3. Features power indicator light; flashing light on test board indicates normal component function 4. Fifth generation include additional plug-in test pads and surface-mount test pads 5. Wide applicability: Compatible with most 4-pin optocouplers for in-line testing of 817, 781, 521, etc. (both plug-in and surface-mount types) Specifications: Product Name: Optocoupler Tester Input Interface: Micro-B/Type-C (optional) Type: Third Generation (Micro-B single indicator light)/Fourth Generation (Type-C dual indicator lights)/Fifth Generation (Type-C dual indicator lights with upgraded SMD/through-hole testing) Compatible Test Subjects: Compatible with most 4-pin optocouplers for in-circuit testing. Supports both through-hole and surface-mount types such as 817, 781, 521, etc. Material: Metal Size: As picture Usage Instructions: 1. Ensure the circuit board under test is powered down and any large electrolytic capacitors on the main board are fully discharged. Testing while the main board is powered is strictly prohibited. 2. Verify that pin 1 of the optocoupler (the pin marked with a small dot) corresponds to the marked pin 1 on the test board. 3. Connect the optocoupler test board to a USB power source. Position the test board's probes to contact the optocoupler under test. A continuously flashing indicator light on the test board indicates the optocoupler is functioning correctly. 4. Designed for 4-pin optocouplers only. Not suitable for types of optocouplers. Packing List Optocoupler Tester ×1 Note: 1. The color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. Please refer to the actual product received. 2. Please allow slight manual measurement deviation for the data. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.