product overview
The YN803U series three-phase voltmeter uses professional measuring chips and industrial grade microprocessors as the core. It can measure the three-phase phase voltage and line voltage in the power grid, and various parameters can be set through panel buttons, with high cost-effectiveness. Adopting embedded installation, easy installation, simple wiring, and small engineering quantity. Widely used in power grids, automation control systems, SCADA, DCS systems, etc.
Product Features
■ Can be programmed on-site to set various parameters and ratios, easy to operate;
Good stability and high anti-interference ability;
Optional switch output (relay output) to achieve alarm and remote control functions;
Optional switch input with built-in power supply optocoupler isolation, which can detect various on-site states and achieve remote signaling function;
Optional high-precision analog output for transmission, suitable for use in DCS systems;
Optional RS485 interface, standard Modbus RTU protocol, capable of remote monitoring and achieving the 'four remote' function;
Using digital tubes or LCD displays, clear and intuitive.
Model List
Note:
(1) The above optional functions are commonly used combinations. If you need other special function combinations, please contact our company to confirm.
(2) T is with communication, 2B is with 2-channel analog output and communication, 2BT is with 2-channel analog output and communication, 4KT is with 4-channel switch input and communication, 2J is with 2-channel relay output, 2JT is with 2-channel relay output and communication, J2KT is with 1-channel relay output, 2-channel switch input and communication, and 2J2KT is with 2-channel relay output, 2-channel switch input and communication.
(3) If you choose a three-phase voltmeter with an opening of 88x88, digital display, communication function, two-way switch output, two-way switch input, rated voltage of 220V, three-phase four wire system, then the model is YN803U-96/2J2KT-220V-4; If LCD display is selected, the model is YN803U-96Y/2J2KT-220V-4.
Specification parameters
Typical Connection Diagram