Testing for bad VFR compressor's, REFCO Inverter check kit 4678571 - YouTube
ICM 4000 Inverter tester
4 In One 6 In One Inverter Refrigerator Compressor Detector Tester Refrigerator Repair Solenoid Valve Detection English Version - Instrument Parts & Accessories - AliExpress
IT01, For testing CCFL inverter up to 6 CCFL Lamps