Data Collector in Energy Consumption Monitoring System Remote Meter Reading System
Main Features
- Uplink channel: communication between concentrator and master
Data transfer communication for GPRS, Ethernet
Direct connection for RS-485 serial port
Direct connection for USB
Infrared communication mode
- Downlink channel: communication between concentrator and smart meter
Direct connection for RS-485 serial port*3
Real-time meter reading
Reading daily frozen energy
Reading historical daily & monthly consumption
Reading event
Reading meter parameter, status, and real-time data
Remote switch on &off
Prepaid & energy threshold control
Setting & record abnormal events: Power-down, Programing, Cover opening, Terminal cover opening, Reverse power, Phase Fail. The records include data and time
1024 Meter database capacity
2 months capacity for storing daily frozen data in meter
12 months capacity for storing monthly consumption in meter
Temporarily storing real-time reading data
Auto-detect and recovery
Terminal initialization
Remote transmission
Resuming broken transmission
Technical parameters:
| Electrical parameters: |
| Voltage |
| Nominal voltage Un |
220V |
| Extended operating voltage range |
80%~115%Un |
| Limited voltage |
70%~120%Un |
| Frequency |
|
| Nominal frequency fn |
50Hz |
| tolerance |
-6%~2% |
| Current |
|
| Basic current(Ib) |
1.5(6)A |
| Maximum current(Imax) |
6A |
| Starting current(Ist) |
3mA |
| Active energy constant |
6400imp/kWh |
| Measurement Accuracy |
|
| Active energy |
1% |
| Reactive energy |
2% |
| Power Consumption |
|
| Power consumption in Voltage circuit |
<10W <8VA |
| Power consumption in current circuit |
<1VA |
| Temperature range |
|
| Working temperature |
-30ºC to+70ºC |
| Limited working temperature |
-40ºC to+80ºC |
| |
| Insulation strength |
| AC Insulation strength |
4kV at 50Hz during 1min |
| Impulse voltage 1.2/50μs mains connections |
8kV |
| |
|
| Electro Magnetic Compatibility |
| Electrostatic discharges |
|
| Contact discharge |
8kV |
| Air discharge |
16kV |
| Electromagnetic RF fields |
|
| 27MHz to 500MHz typical |
10V/m |
| 100kHz to 1GHz typical |
30V/m |
| Fast transient burst test |
4kV |
| |
|
| Mechanical requirements |
|
| Meter shell Protection Rate |
IP51 |
| Protection |
classII |
About Company:
There are more than 200 employees. Among of them, there are 78 technicians which has 4 senior technicians. There are 72 employees who have already got college degree which has 30 obtained measurement inspector certification.
The main senior R&D staff graduated from the Air Force Radar College. After establish the enterprise, it has develop the own R&D team which has 57 R&D technician( 28.5% of company employee). They can R&D various electric meter and related products independently through the internal and external training and practice. It has 25 patents which has 19 Utility Model patents, 4 Appearance Design patents, 2 Invention patents. “DDZY150/DTZY150 series smart electric meter key technology and application” has won the science and technology progress prize of Hubei province in 12, 2015. It can R&D different types of electric meter and related products independently and has the modify and update R&D capability. Production and technicians have passed the strict training before working which has the strong sense of quality and also has the technical skills.
