R-board front three-point fixed installation, with a center to center distance of 140-150 mm between the upper and lower mounting holes, which can be adjusted by the user and complies with BS 7856 and DIN 43857 standards.

R has the function of measuring positive, negative, and combined active energy, and the combined active energy can be selectively combined from positive and negative active energy.

Rich LCD display with power outage display and backlight function.

R has a time of use billing function, with four rates, 14 time periods, and 2 annual time zones, supporting the setting of special rate periods for holidays and public holidays.

R has a settlement function, which allows for up to 3 settlement points to be set up per month for settlement, and can record the historical data of the last 12 settlement points.

The R has a built-in load switch, and the electric energy meter can cut off the user's electricity load to achieve cost control function based on the control signal sent by the received communication instruction.

R has remote cost control function, which can remotely realize user power on/off function.

R can choose the local cost control function, where users can recharge by purchasing a power card and use CPU card prepayment for more reliable security performance.

R has event recording function, with each event recorded 10 times.

R has multiple freezing functions.

R has alarm functions such as over power, power reverse, and hardware failure.

R has automatic loop display, button display, and display items can be set.

R has one RS485 communication interface and one infrared communication interface function, and the RS485 communication rate can be set.

R can optionally add a carrier communication function, and the carrier module can be plugged in and out, supporting carrier modules such as Neusoft, Xiaocheng, Dingxin, etc.

The R configuration has a polarized passive power pulse output port that complies with IEC 62053-31 and DIN 43864 standards.

The R LED indicates the power pulse signal, alarm status, load switch status, and carrier communication status.

Single directional measurement of single-phase two-wire active energy consumption, independent of the direction of load current flow, in accordance with IEC 62053-21 standard.

R is directly connected and has two wiring options: 1A type and 1B type.

The R transparent PC material molded short terminal cover is beneficial for reducing installation space and facilitating centralized installation.