WT104 is applicable for measuring AC,DC,AC&DC signals. WT104 is applicable for measuring AC,DC,AC&DC signals. 1. Function for AC, DC and AC&DC.2. 4 Display: V,A,W,PF/Hz.3 ... .5. Voltage: DC 600V/75V/35V AC 600V/75V/35V6. Current: DC 20A/2A/0.5A. AC 20A/2A/0.5A7. PF: -1.000~1.000.8 ... . Hz: 45Hz~130Hz.9. Band: 5kHz.10. Accuracy: ±(0.4%reading+0.1 ...