... English and Chinese version. 1. Input voltage,current,power,PF,frequency,phase angle, total harmonic and ... 3. Input voltage,current,power 4. Output(AC) 5.Test lamp voltage,lamp current,lamp power 6. Test changing ... curve and data of lamp voltage,lamp current within 2 ... to 1MHz lrms, content to every LED power 11. Input and output parameters tested simultaneously ...