... input Voltage is the s LED tube power meter,LED tester,Power meter,Demo box LT-AC1102 1,Input voltage : AC ... test T8 fluorescent tube with the Magnetic ballast inside the tester, the input voltage should be AC 200V-250V,50Hz. If ... products but also the other electrical products with Voltage range 100V-250V.3, Maximum testing wattage: 300W.4,Testing parameters: Voltage, Current ...