Key FeatureTrue online double conversion technology with advanced microprocessor controlWide input voltage rangeZero transfer timeProtection against all types of power problemsSurge protection port fo

DDSY951 series single phase electronic type prepayment watt-hour meter is a kind of new-style meter which is developed by our company and adopt micro-electronics techniques. It is used for measuring r

DD862(shanghai model), DD862a(hangzhou mode) single-phase watt-hour meter is induction meter, which is applicable to measure the rated frequency 50hz and power loss in electrified wire netting. The me

DS951 series three phase electronic type watt-hour meter is a kind of whole electronic meter which measure active energy or reactive energy electric energy consumption in frequency 50Hz or 60Hz three

Dsy951 series three-phase electronic type prepayment watt-hour meter is a kind of new-style meter, which is developed by our company on the basis of type ddsy951 single-phase electronic prepayment wat

D86 series three-phase watt-hour meter are induction meters that are applicable to measure the rated frequency 50hz and power loss of active energy meter the series active energy meters are completely

Spec: Internal UPSCapacity:300VA/500VAInput:110V/220V/230V15% 50Hz/60HzOutput:110V/220V220Vac5%50Hz/60Hz2HzOutput waveform: Square waveTransfer time:10msMicroprocessor based design.CD-ROM size is best

Spec: Only Online UPSCapacity:1KVA/2KVA/3KVA/6KVA/10KVAInput:160Vac~276Vac 50Hz5%Output:220Vac3% 50Hz0.5%Output waveform: Sine WaveTransfer time: Zero TransitionApplication domain: Work Station/Intern

Spec: Power frequency on-line UPSCapacity:8-60kvaInput 3p4w+g 380vac25% 50hz5%Output 1p2w+g 220vac1% 50hz0.3%Output waveform: Sine waveTransfer time: Zero transitionApplication: Domain work station/co