Detailed Product Description
DDSF846 static single-phase multi-rate electricity meters (lcd) display
Functions and features
1. The meter is equipped with measurements of positive and negative active-power electric energy and can be counted into positive energy or separately. It can store electricity consumption automatically and time of data storing at any data of a month form the 1st to 28 th..
2. Equipped with high-accuracy clock chip, the meter is also provided with a century calendar ranging form 2000 to 2099, and an accurate automatics switching function between the time and leap year.
3. Four tariffs: consumption for sharp load hours, peak load hours, day hours and low load hours as well as 8 tariff times can be set by programming.
4. Parameters setting, enquiry and reading of working data and electricity consumption can be performed with the aid of infrared communication done by hand-held terminal or RS 485 communication.
5. LCD display , automatic wheel display mode is applied.
6. Safe In Programming
(1) Built-in hardware programming switch.
(2) Hand programming-making for setting code.
(3) Respective hand programming and data-recording.
7. Equipped with programmable clock pulse output.
Specifications and parameters:
1. Rated voltage: 220v
2. Basic current: 1.5(6)A, 5(20)A,10(40)A,20(80)A
3. Accuracy class: 1.0, 2.0
4. Power loss:≤2W
5. Rated frequency: 50Hz
6. Infrared telecommunication distance:≥5m
7. Storing time for power-off data: ≥10 years
