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Simple three-phase multifunctional electric meter
1.1 Overview: The DTSD/DSSD1791 three-phase electronic multifunctional energy meter is designed using advanced energy metering chips combined with mat
Product details
1.1 summary
The DTSD/DSSD1791 three-phase electronic multifunctional energy meter is designed using advanced energy metering chips combined with mature multi rate technology. It applies digital sampling processing technology and SMT technology, and is designed and manufactured according to the actual electricity consumption of residents. It is an internationally advanced energy meter.
This meter implements time-sharing measurement, sets daily automatic data transfer, and can be used on a handheld terminal orPCMachine programming and meter reading, LCD display and other functions; Can be done4Rate of fees10A time period2Time zones and12Table number and other settingsAnd it has electric energy testing pulse output.
Its performance indicators comply with the technical requirements of GB/T 17215-2002 "Level 1 and Level 2 Static AC Active Energy Meters" and DL/T 614-1997 "Multifunctional Energy Meters" standards for multifunctional energy meters. The communication protocol complies with the "DL/T645-1997 Multifunctional Energy Meter Communication Protocol" and the special communication requirements proposed by the user.
1.2 Specifications and modelsTechnical indicators
lSpecifications, models, and pulse constants (specific to the instrument nameplate)
|
type number |
class other |
Reference voltageUn |
Rated currentIn |
Pulse constant |
|
DSSD1791 |
Three phase three wire |
3×100V |
3×1.5(6)A |
6400 imp/kW·h 6400 imp/kvar·h |
|
DTSD1791 |
Three phase four wire |
3/×57.7/100V |
3×1.5(6)A |
12800 imp/kW·h 12800 imp/kvar·h |
|
3×220/380V |
3×1.5(6)A |
3200 imp/kW·h 3200 imp/kvar·h |
||
|
3×2.5(10)A |
1600 imp/kW·h 1600 imp/kvar·h |
|||
|
3×5(20)A |
800 imp/kW·h 800 imp/kvar·h |
|||
|
3×10(40)A |
400 imp/kW·h 400 imp/kvar·h |
|||
|
3×10(60)A |
400 imp/kW·h 400 imp/kvar·h |
|||
|
3×15(60)A |
400 imp/kW·h 400 imp/kvar·h |
|||
|
3×20(80)A |
200 imp/kW·h 200 imp/kvar·h |
|||
|
3×30(100)A |
200 imp/kW·h 200 imp/kvar·h |
lAccuracy level:Active power level 1.0, reactive power level 2.0
lRated frequency:50Hz
lStarting current:Active 0.004Ib, reactive 0.005Ib
lSubtle movement:When the voltage line is applied with 115% Un and there is no current in the current circuit, the active pulse output by the meter shall not exceed one.
lExternal dimensions：250mm×170.8mm×78.5mm
lweightApproximately 1.8kg
lElectrical parameters
|
Normal operating voltage |
0.9Un～1.1Un |
|
Extreme working voltage |
0.75Un～1.15Un |
|
Voltage line power consumption |
≤2Wand5VA |
|
Power consumption of current circuit |
≤1VA |
|
Data backup battery voltage |
3.6VDC |
lRate work parameters
|
Clock accuracy(Daily error) |
≤0.5S (23℃) |
|
Battery capacity |
≥1200mAh |
|
Data retention time after power outage |
≥10year(Use new batteries) |
lclimatic conditions
|
Normal operating temperature |
-20℃～+50℃ |
|
Extreme working temperature |
-30℃～+60℃ |
|
Storage and transportation temperature |
-40℃～+70℃ |
|
Storage and working humidity |
≤85% |
ltechnical parameter
|
Number of rates |
4 |
|
Number of time periods |
10 |
|
Measurement range |
0～999999.99 kW·h |
|
display show |
liquid crystal |
|
Baud rate |
RS485mouth:1200bps |
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