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

Detailed Product Description

The three-phase multi-rate watt-hour meter track can be accurately measured active positive and negative direction, with the meritorious record of Maximum Demand function, voltage, current, power and other electrical parameters in real-time measurement and processing, with time-sharing control, automatic meter reading, the amount of electricity and the need for data storage, energy meter records of the current operational status, event data recorders and other functions, is to achieve energy hourly metering and accounting work in an ideal intelligent instrument. Watt-hour meter using a large-screen LCD display, with far-infrared, RS485 communication interface and so on. The instrument for the introduction of advanced ultra-low power consumption LSI technology and SMT process manufacturing high-tech products,
Selection of the key components of internationally famous brands of long-life devices, with good reliability, small size, light weight, beautiful appearance, easy installation and so on.1. 4 kinds of rates (sharp peak, flat, valley), 12 hours, times the minimum time interval of 5 minutes;
2. Storage, including this month, including a 12-month data on the various rates for electricity;
3. Electrical isolation using advanced energy metering chip, high-performance CPU and the RTC clock chip;
4. Records of the current total active power consumption and the rate of electricity consumption and save the data;
5. High-precision, high reliability, strong overload capacity, low power consumption, light weight;
6. Automatic cumulative record of the battery working hours;
7. Round of significant current time, rate, total electricity consumption and the rate of electricity consumption;
8. Communication protocol in line with DL / T 645-1997;
9. With pulse output, pulse width 80ms ± 20ms;
10. Can set the table number, bureau number, hours, rates, date, time, automatic meter reading date, password, display items and start recycling capacity;
11. Can jog round the table covered with remarkable power button to view the user selected parameters;
12. With maximum measurement functions required.
13, when the meter when communicating with external devices, communication indicator light, said the state energy meter in communication.
1. Rated Current (A): 3 × 1.5 (6), 3 × 5 (20), 3 × 10 (40), 3 × 15 (60), 3 × 15 (60), 3 × 20 (80), 3 × 30 (100)
2. Rated voltage (V): three-phase four-wire 3 × 220/380V, or 3 × 57.7/100V
3 × 100V three-phase three-wire or 3 × 380V
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 work
6. Battery: lithium battery imports of environmental protection, voltage: 3.0 or 3.6V, capacity ≥ 1000mAh