Multi-functional Watt-hour Meter

Multi-functional Watt-hour Meter Independent double RS 485 interfaces and infrared interface Detecting current in case of 3-Ph

 Multi-functional Watt-hour Meter

DSSD722 electronic three-phase multi-function watt-hour meter

1. Basic functions

1.1 Power measurement

1.2 Maximum power demand recording

1.3 Multi-rate tariff

1.4 Voltage-loss and phase-loss recording

1.5 Current-loss recording

1.6 Overvoltage recording

1.7 Undervoltage recording

1.8 Overcurrent recording

1.9 Data displayed in turn

1.10 Push-button display

1.11 Power-off, power-on recording

1.12 Programming, maximum power demand clearing, broadcasting and time verifying

1.13 Alarming

1.14 Programming

2. Extended functions

2.1 Monthly (settlement) active power consumption recording

2.2 Power supply freezing

2.3 Active power freezing when time section is over

2.4 Punctual active power recording on representative day of load

2.5 Power-off wake-up

2.6 Multifunctional (clock, maximum power demand recycling, switching between time sections) detecting output

2.7 Independent double RS 485 interfaces and infrared interface

2.8 Backlight

2.9 Detecting current in case of 3-Phase voltage loss

2.10 Uncover recording

2.11 Load curve recording

2.12 Accidents package recording

Specification and pulse factor comparison table

Specification	Type	Reference voltage Un (V)	Rated current In (A)	Active pulse constant (imp/kWh)	Passive pulse constant (imp/kvarh)
DSSD	3-Phase & 3-Wire	3×100	3×1.5(6)	12800	12800
DTSD	3-Phase & 4-Wire	3×57.7/100	3×1.5(6)	12800	12800
		3×220/380	3×1.5(6)	6400	6400
			3×5(20)	1600	1600
			3×10(40)	800	800
			3×15(60)	400	400
			3×20(80)	200	200

Multi-functional Watt-hour Meter