VR-820AC
Standard features
Integrated Measure over 30 kinds of three-phase/single-phase electrical parameters: phase/line voltage, three phase unbalance factor, current, active power, reactive power, apparent power, power factor, frequency;
Standard CT, PT or direct voltage input, suitable for various connection modes;
Expert forward/reverse active electric energy metering, inductive/ capacitive reactive electric energy metering.
Demand statistics: the max/min/average value of three phase power (except electric energy);
The 31st harmonic component of voltage and current (THD);
Wide range AC/DC power supply: AC/DC 110V~250V;
RS-485 communication interface, Modbus-RTU communication protocol;
With three lines LED real-time display, all instrument parameters can be set through display screen;
Optional features
4/8-channel remote digital signal input (R/R8)
2/3-channel remote relay control output (Q/Q3)
1/2-channel over limit alarm relay control output (M/M2)
1/2-channel electric energy pulse output (K/K2)
1-channel programmable analog output 4mA~20mA (A)
Selecting one from Remote relay output, electric energy pulse output and over limit relay output. Analog output can not be selected with electric energy pulse output at same time.
Overall Dimensions:
