Single-phase rail type multi-rate watt-hour meter

Detailed Product Description

    The products meet the IEC 62053-21 standard for electronic energy meter of the relevant technical requirements.
2, storage, including this month, including a 12-month data on the various rates for electricity;
3, power (electricity) the direction of automatic identification, reverse power is automatically saved and accumulated in the positive power at the same time counter, the automatic recording reverse power, reverse Reverse run start time and total time;
4, with power failure display function;
5, with the reverse direction feature: When the current is reversed, reverse indicator light
5, electrical isolation of the RS485 interface and the design of anti-lightning circuit;
6, there is writing data with a password and programming switches 2 protection, automatically record the final programming time and frequency;
7, using hard-clock circuit, low current consumption, spare batteries imported green disposable lithium batteries;
8, you can set the table number, bureau number, hours, rates, date, time, automatic meter reading, password, display items and start recycling capacity;
9, with back-up battery voltage test instructions, hardware, meter status, meter communications state, the clock status, power orientation, school status, and the current time when the meter is running the state and other state identification bit, and can be read via RS485 or handheld computers;3. Specification and main technical parameters2. Rated voltage (V): 220, 230
3. Rated frequency (Hz): 50, 60
4. Accuracy Class: Class 1, Class 2
5. Clock error: ≤ 0.5 sec / day (reference temperature); ≤ 1.0 sec / day (back-up lithium battery working hours)
6. Battery: lithium battery imports of environmental protection, voltage: 3.0 or 3.6V, capacity ≥ 1000mAh