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DTSF222 Three phase Four wire Electronic Multi rate Energy Meter
DTSF222 Three phase Four wire Electronic Multi rate Energy Meter
Product details
| DTSF222 three-phase four wire electronic multi rate electricity meter | ||||||||||||||||||||
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summary: The DTSF222 fully electronic three-phase multi rate energy meter adopts ultra-low power solid-state integration technology and SMT process design and manufacturing, and is used for supplying AC active energy in a three-phase power grid with a rated frequency of 50HZ for time-sharing metering. This meter adopts a dedicated integrated circuit for electric energy meters MCU、 Technologies such as non-volatile memory for storing information and LCD digital display have enabled three-phase three rate time-sharing metering RS485 serial data and far-infrared communication, preset, meter reading and other functions. Using dedicated POS machines and PC serial data communication ports as media to achieve information transmission between users and power supply department computers, in accordance with the technical requirements of DL/T645, DL/T614, GB/T17215, GB/T15284. Main functions: 1. Time of use measurement: peak, off peak, and off peak rates, with electricity usage recorded for each of the 12 time periods. 2. Meter reading date: set at a certain day and time, store the 3-month rate electricity and total electricity for 12 months. 3. Wheel display function: Wheel display various data and self define various data and time for wheel display. 4. Broadcast school time. 5. Optocoupler pulse output. 6. Supports infrared and RS485 communication methods. The RS-485 interface has strong protection, even if the 220VAC voltage is mistakenly connected, it will not damage the interface. 7. Communication protocol: DL/T645-1997 Multifunctional Energy Meter Communication Protocol. 8. Communication baud rate: 1200bps, effective distance of infrared communication port not less than 4m. 9. Clock accuracy:< 0.5 seconds per day. 10. Battery: 3.6V1.2AH lithium battery, with a normal lifespan of over 15 years under normal use. (The cumulative power outage time within 15 years shall not exceed 3 years) 11. When one phase of a three-phase three wire network and two phases of a three-phase four wire network experience a power outage, the energy meter can still measure normally. 12. High precision, high overload, high reliability, low power consumption, small size, light weight, good structural performance. 13. Adopting various hardware and software anti-interference measures to ensure the reliable operation of the electricity meter. |
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