DC 300V/20A DSW-9902C RS485 Communication Output DSW-9902A Intelligent Single-phase Electric Parameter Digital Panel Met

Model DSW 9902ADC 300V 20A has no output DSW 9902CDC 300V 20A has a RS485 communication output Description DSW 9902 series single phase panel meter is designed with three windows display which can measure AC DC voltage current active power power factor frequency reactive power and electric energy value accurate measurement high speed sampling times true effective value measurement full measurement parameter alarm upper limit qualified and lower limit can be set three relays Out with RS 485 communication interface strong anti interference performance widely used in automatic home appliances low power LED measurement etc Specification ParameterMeasurement functionAC DC voltage current active power power factor frequency reactive power and electric energy valueMeasurement accuracy土 0 4 F S±3 digitFrequency RangeFundamental frequency 45Hz to 65Hz bandwidth 5KHzCommunicationRS485 communication interface Modbus RUT communication protocol Note The communication protocol is attached separately Sampling rate1 8 times s customized DC max 64 times s AC max 32 times s Temperature humidity0 60 ° C 20 95 RHPower supplyAC DC 90 250V ±10 50 60HzInstallationPanel typeDimension9902 W96 x H48 x D93mmPower≥5VAWithstand voltageAC 2KV 1 minute power input outputInput resistanceVoltage input impedance ≥1MΩ 300V current input impedance ≦0 02Ω When directly inputting 20A Input methodDirect input range range voltage 400V current 5A or 20A Settable c