Application:
DTSD227 and DSSD227 series, three-phase electronic style multifunctional ammeter, is the multifunctional new generation product, which can realize active or reactive electricity energy measurement and load control. It is adopted the module design and can be do multifunctional combined freely, which help to suit the different requirement of users. The all items of capability standards of DTSD227 and DSSD227 series meet the entire technology requirement of the DL/T 614 -1997 ¡°Multifunctional Ammeter¡± and DL/T 645 -1997 ¡± Multifunctional ammeter communication rule¡± IEC 61036:2002 about the three-phase electronic style multifunctional ammeter.
The meter is consisted of PT(potential transformer) - CT (current transformer), High speed AD, E2 FROM and CPU.
Specifications:
Accuracy Class |
Active: 1.0 |
Nominated Current |
3¡Á1.5(6)A, 3¡Á5(20)A,
3¡Á10(40)A, 3¡Á15(60)A,
3¡Á20(80)A |
Reactive: 2.0 |
Rated Voltage |
3¡Á220/380V |
External Magnetic Effect |
0.5 Tesla |
Frequency Range |
50Hz¡À5% |
MD Period |
30 Minutes |
Meter Constant |
3200 imp/kWh |
History of Reading |
6 Months |
Starting Current |
For active: 0.002 Ib(class 1.0), |
Tariffs/TOD |
4Tariffs,
12 Prog. Time Zones |
For reactive: 0.003 Ib (class 2.0) |
Accuracy of RTC |
0.5s/day |
LCD Display |
8-digital, IDs |
Power Consumption |
Voltage circuit:¡Ü 2W, 10VA |
Storage/Transport Temp. |
-40¡æ~ +70¡æ |
Current circuit: < 2.5VA |
Operating Temp. |
-25¡æ¡«+55¡æ |
Average Relative humidity |
< 75% |
Power Factor Range |
Zero Lag ~ Zero Lead |
Dimension (mm) |
142¡Á208¡Á72 |
HV Test |
4 kV |
Weight |
1.5kg |
Impulse Test |
8 kV |
Surge Test |
6 kV |
Features:
- Measurement parameters: Active energy, reactive energy, apparent energy, Instantaneous active power, VRMS, IRMS, Power factor, AC frequency, MD
- Anti-tamper: such as earth load, neutral disconnection, current bypassing and current reversal etc.
- Immunity to external magnetic effect: upto 0.5 Tesla
- Communication: Optical/Remote Infrared & RS485 interface for meter
- Multi-tariff: TOD metering for kWh with 12 times zones programmable.
- LCD display under main power supply failure condition.
- Self-diagnostics: Battery voltage, Memory, LCD, etc
- Events logging.
|
