DSF977 Three Phase Electronic Multi-rate Watt-hour Meter
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| Application |
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| Type DSF977 three phase DIN rail watt-hour meter is a kind of new style three phase electronic multirate watt-hour meter,energy data display adopt 7 digits wide temperature 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 following features:Good reliability, small volume, light weight, specious nice appearance, convenient installation, etc. |
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| Functions and features |
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■ 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 emplaced spare
batteries and free of maintenance.
■ The directon of electric powr canbe distinguished automatically, accident is checked automatiocally.
■ Infrared carrier wave commnication and RS485 serial port communication, meter is set up by
program and password is protected.
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| Technical parameters |
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Name
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Type
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Accuracy
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Rated
voltage(V)
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Rated
current(A)
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Three phase four wire active
energy electronic type watthour
meter
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DTSF977
DEM041)
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Class 1
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3×380/220V
3×100/57.5V
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1.5(6), 3(6), 5(30),
10(50), 15(90),
20(100), 5(40),
5(100)
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Class 2
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Three phase three phase active
energy electronic type watthour
meter
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DSSF977
(DEM041)
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Class 1
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3×380/220V
3×100/57.5V
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Class 2
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