Advanced software and hardware design,SMT technique.Three phase multi-rate KWH meter,electronic meter,energy meter
Port: Shanghai/Ningbo
Minimum Order Quantity: 100 Piece/Pieces
Supply Ability: 20000 Piece/Pieces per Month
Payment Terms: L/C,T/T,Western Union,MoneyGram
Contact SupplierPackaging Detail: Standard export carton
Delivery Detail: 7-15 days after order confirmation
Three phase multi-rate KWH meter,electronic meter,energy meter
Type DTSF870/DSSF870 three phase electronic ative multi-rate kilowatt-hour meter adopt advanced metering unit and multi-rate unit, Applied digital sampling technique, large LCD, independent RS485 communications port and one infrared communications port.this meter realize active time sharing measurement, It also has many advantages,such as good reliabilityhigh accuracygood overloadlow consume and powerful anti-disturbing capability.
2. Specifications and types
specifications and types | Reference voltageV | Rated frequencyHZ | Rated current A | Meter constantimp/kw.h |
Three phase four wire DTSF870 | 3×220/380 | 50 | 1.5(6)~30(100) | As shown in nameplate |
3×57.7/100 | 50 | |||
Three phase three wire DSSF870 | 3×100 | 50 | ||
3×380 | 50 |
3. Technical parameter
3.1 Electrical required
Accuracy ratingclass 1.0,class 2.0
Normal working voltage0.9Un~1.1Un
Limiting working voltage0.7Un~1.3Un
Voltage consumptionvoltage consumption in voltage circuit ≤2.0W and ≤5VA
Current consumptionactive power≤1.0VA
Starting current: 0.004lb
Creep: logical design for anti-creeping
3.2 Environment requirements
Normal working temperature25-+60(three phase)
Limiting working voltage40+70
Transportation and Storage temperature45+70
Relative humidity (RH): less than 95%
3.3 Running parameter
Clock accuracy: ≤0.5S/d (23)
Battery capacity:≥1.2AH
Preserving data after power outage:10years
Rate time-interval:4rates, 8rates
Measuring range: 0~999999.99KWH
RS485 baud of communication port: 1200bps`9600bps
Designed life: 10years
Standards-compliant: GB/T17215-2002,DL/T645-1997
4.
4.1Measuring function
Time-sharing measure positive and reverse direction active energy, and store data.
Measure reactive energy, and store data.
Measure maximum demand and happening time by different time segment, and store data.
4.2 Multi-rate function
Programmable 4 rates,8 period of time
4.3 show function
LCD display, 6 integer,2 decimal
Display automatically by turn,display content.time and sequence can be set arbitrarily,but it can be imore than 16 item
Display and keyboard,display content.time and sequence can be set arbitrarily,but it can be more than 16 item
4.4 Communications function
Infrared data communications and RS485 communications though hand-held Terminal,which can finish programmable set and meter reading.
RS485 communication port and internal meter electrical isolation,it also have lightning protection circuit.
4.5 output function
Active pulse testing port output,which meet the needs of pulse output
Pulse width output: 80ms±20ms
Can realize clock output though soft ware setting
4.6 incident record
Record latest 1-9 power failure
Record actual time power function
Have function of recording voltage loss ,programming. constant clearing,Datas clearing, adjust the time and so on
4.7Special function
Programming prohibitor, constant clearing,datas clearing
Record 1-12 electricitydonnot display,but can read meter for a check
time zone change data freezing function