Product Name: Programmable Three Phase Current, Voltage, Frenquency Combined Meter Model NO.: DG-J3A6VF Customized: Customized AC Voltmeter Type: Electric DC Voltmeter Type: Electrostatic Power Source: AC Theory: Electric Apparatus Usage: Standard Electric Energy Meter Display: Digital Installation: General Installation Meter Trademark: DGG or no brand or OEM Transport Package: PCB Specification: 96*48 Origin: Zhejiang HS Code: 9030331000 Product Description Chapter 1.General introductionIt isused in the real-time measurement and indication of voltage,current and frenquency in the three phase electrical line and display the values with serval-row LED.One meter can finish the measuring tasks of several common meters.Chapter 2.Model and defintionChapter 3.General parametesInput specification of voltageAC 100V,220V,380V or 500V (external PT is necessary if more than 500V)Input specification of currentAC 1A or (external CT is necessary if more than 5A)Frequency of input signal45~65HzAccurancy gradeclass 0.5Alarm outputrelay contact output,contact capacity AC 250V/1A;DC 30V/1A,resistive loadCommunication interfaceRS485 serial communication,MODBUS-RTU communication protocolTransmitting outputlinearity 0.5%,load resistance:output current≤300Ω,output voltage≥1KΩ,which are electrical isolated with the input signal and the auxiliary power supplySwitch inputdry contact input