... and very popular in our worldwide clients' markets. LED tube power meter,LED tester,Power meter,Demo boxLT-AC11021,Input voltage : AC 100V ... testing wattage: 300W.4,Testing parameters: Voltage, Current , Power, Power factor, Annual power consumption.(Calculated based on 10 hours/day).5,It ... ballast inside could test T8 fluorescent tubes of 20W(60cm),30W(90cm),36W(120cm) and 58W(150cm).TEST2 is without ...