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. All measuredas root mean square value.4. Auto range.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%range+1digit),0.5 class.11.  RS-232-C communicate function..