... that test Lumen, luminous efficiency, lux, cct ,Voltage, Current, Power, Power Factor and Annual power consumption of lighting ... and very popular in our worldwide clients' markets. LED tube power meter,LED tester,Power meter,Demo boxLT-AC11021,Input voltage : ... 3, Maximum testing wattage: 300W.4,Testing parameters: Voltage, Current , Power, Power factor, Annual power consumption.(Calculated based ...