Detailed Product Description

DDS8111 series Electronic Single Phase Watt hour Meter is a high technology product adopted advanced IC technology as well as SMT technology, both circuit design and components selections are up to various working enviroment to guarantee that power meter can operate steadily for a long time. The finished meter don't need to be adjusted so that the calibration cycle is long, it will extremely reduce the labor force of the Electricity Board for calibrating power meters. The features of the products are anti-thief, long life, high accuracy, high reliability, low power consumption, small volume, light weight. The meter is up to the according to IEC 1036-96 and GB/T 17215-2002 standard.

Main technical feature:
Being used measure active energy, can normally work over a long time without adjustment.
Adopting ADE7751 special energy measuring chip.
Adopting most advanced integrated circuit with build-in digital multiplier for greatly improving its dynamic operation range so as to allow overload capacity increased by over 10 times.
Adopting large-scale integrated circuit and SMT technology, featuring advanced technology and simple structure.
Offering good error linearity within the range of 5%lb-lmax.
Using only durable, reliable electronic components for ensuring long service life and high reliability.
Mechanical drum register display/LED display/ LCD display.
Powerful function on protection against all kinds of Tamper and Fraud.

Main technical parameters:
Rated Voltage: 220V/ 230V/ 240V
Basic Current (Max. Current): 1.5(6)A, 2.5(10)A, 5(20)A, 5(30)A, 10(40)A, 10(60)A, 10(100)A, 5(60)A, 20(80)A, 30(100)A
Rated Frequency: 50Hz/60Hz
Accuracy: Class 1/ Class 2
Starting current: 0.4%lb (Class 1), 0.5%lb (Class 2)
Running with no load: Anti-running logic design

Standard operation temperature range: -40 ~~70
Standard operation humidity: 25% - 85%