WENZHOU HUAJIA ELECTRICAL EQUIPMENT CO.,LTD.
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Place of Origin: | Zhejiang, China (Mainland) |
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Multi-rate Electronic Watt-hour Meter , waterproof digital watt hour meter
Quick Detail:
Description:
Applications:
Type DDSF977 single phase DIN rail watt-hour meter is a kind of new style single phase electronic multi-rate watt-hour meter, energy data display adopt 4 digits wide tempera-ture type crystal display, with many functions of multi-rate (time-of use) energy measurement, infrared carrier wave communication and RS485 serial port communication reading meter, etc. The meter completely accord with relevant technical requirements of class 1 and class 2 single phase energy meter stipulated in National standard GB/T17215-2002 and international standard IEC1036. it has followeing features:Good reliability, small volume, light weight, specious nice appearance, convenient installation, etc.
Functions and features :
May select 35mm DIN rail installation or installation on the board.
Have 3 tariffs, 12 daily period of times, may select single tariff function in weekend.
Inner emplaced clock, after power cut down, the message is preserved forever,inner emplaceed
spare batteries and free of maintenance.
The direction of electric power can be distinguished automatically, accident is checked automatically.
Infrared carrier wave communication and RS485 serial port communication, meter is set up by
program and password is protected.
Technical parameters :
Type |
Accuracy |
Rated voltage (V) |
Rated current (A) |
Starting |
Insulation |
DDSF977 |
Class 1 |
220V |
2.5(10), 3(15), |
0.4%Ib |
AC voltage 2KV for |