Single phase prepaid energy meter (multi rate type)

Single phase prepaid multi rate electricity meter
DDSYF825The electronic single-phase prepaid multi rate energy meter consists of a prepaid functional unit and a multi rate functional unit, and is a four rate, twelve period energy meter. It has the advantages of high reliability, convenient meter reading, strong overload capacity, and sturdy structure. It adopts Chinese character LCD display and is a new generation of civilian multi rate electricity meter, especially suitable for single-phase commercial or temporary power plants. It can be directly programmed and read by infrared or handheld computer, with optocoupler pulse output interface function. Used to achieve civilian time of use billing, complementary to industrial time of use billing policies, and better balance power grid load.

1. Forward and reverse time-sharing active energy metering, which can be divided into four rates (peak, off peak, off peak, and off peak)
2. Infrared communication, programming settings, and meter reading can be completed through a handheld computer
3. All data parameters can be viewed by pressing the button (can be viewed by clicking or double clicking the lookup key)
4. Record, display, and store the total active power and hourly power of the current month, and can retrieve the data through infrared or 485 methods
5 wide temperature large screen LCD backlight 6+2 digital display; Memory can ensure that data is not lost after power failure
6. It has the ability to purchase electricity before using it, and automatically freeze the monthly electricity consumption rates on designated meter reading days
7 Overload power-off protection (the purpose is to protect the circuit breaker from burning out due to long-term overload of the load)
8 Fault self diagnosis function (diagnostic scope includes load switch, EEPROM, IC card data; with built-in light alarm, trip and power-off function (external alarm output interface optional; when overloaded, the alarm and trip signal output can be controlled by whether the alarm trip is allowed to be selected; when the remaining power is less than or equal to the alarm set value, the alarm and trip signal output can be controlled by whether the alarm and trip are allowed to be selected from the meter; when the remaining power is zero, the meter outputs a trip signal.).
[Technical indicators and parameters]
1. Execution standards: GB/T17215-2008、GB/T15284-2002、DL/T645-1997
Accuracy levels: 1.0 and 2.0
3 reference voltages: 120V, 220V, 240V
4 reference frequencies: 50Hz, 60Hz
5 Current specifications: 2.5 (10) A, 5 (20) A, 10 (40) A, 5 (60) A, 15 (60) A, 20 (80) A
6 Working voltage: 0.8Un-1.15Un
7 Working temperature:- 25℃～+55℃
8 line power consumption: voltage line power consumption ≤ 3W/12VA, current line loss ≤ 4VA