Type DDS306 single-phase electronic energy meter Function and Features: 1. Adopting latest large-scale integrated circuit, providing advanced, applied and reliable products for the coustomers. 2. Adopting the production line of SMT owned by our company and the elements of the high quality, Production workmanship is mature and reliable . 3. With high stability and accuracy, no mechanical abrasion. Service life is long and error can keep unchanged for long time. 4. With the function of anti- steal-electricity. 5. Strong capability for overload, low power loss, small volume and light weight 6. Excellent performance and wide measuring range, under low temperature, good and stable operation within the range of ?40 ℃ ～ + 85 ℃ . 7. With power pulse output of coupling isolation. The product fully conforms to the technical requirements for the static class 1 and class 2 single-phase watt-hour meter specified in IEC62053-21-2003, and National Standard specified in GB/T17215-2002