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
