The school electricity meter KD87 apartment electricity control type electricity meter KD87 electricity meter is mainly suitable for users with high requirements for centralized metering, timed electricity control, and electricity management, such as student apartments, shift buildings, hotel style apartments, factory dormitories, etc.

Main technical features
Flexible installation method: It can be installed in layers or cabinets. Layered installation can manage 36 rooms (single output) or 18 rooms (dual output); Cabinet installation can manage up to 240 rooms.
※ It has real-time power display function, which can display the user's electricity load in real time.
★ Equipped with timed power-off function: Users can set the time period (* * 8) within a day and the relay on/off status for each user at different time periods through instructions, achieving timed power on/off control.
★ Equipped with dual circuit power supply function for users: The two output lines of the electricity meter are provided to one user for use. Except for the calculation of the total electricity consumption of the two lines, the function of each power supply line of the user is exactly the same as that of the selected type of electricity meter. All usage parameters can be set separately to achieve independent control.
※ It has prepaid function and free basic battery setting function.
※ It has a load limiting function: the user can set the allowed load power through instructions. When the actual load exceeds the set value, the meter will perform overload power-off for the user.
※ It has a low battery alarm function: the alarm battery level can be set. When the user's remaining battery level is lower than the alarm value, the meter will alarm and prompt the user to purchase electricity.
★ Equipped with malignant load recognition function: The * * small load power and * * large load power factor for load recognition can be set through instructions. When the load exceeds the set value, the meter will perform overload power-off for the user.
★ It has the function of identifying allowed and disabled loads: Users can set the use of specific power range appliances (such as water dispensers) and computers, as well as disable other appliances (such as hot ones) through instructions.

Main technical indicators
Rated voltage: 3 × 220/380V;
※ Operating voltage range: AC180-260V;
Calibration current: 5 (20) A;
Pulse constant: 1800imp/kWh;