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Single phase electronic energy meter
Single phase electronic energy meter
产品分类：
Smart Meter
型号规格：
生产厂商：
威斯尼斯人0907官方网站集团有限公司
立即分享：
产品概述：
Single phase smart meter DDSY1723
DDSY1723 Single phase electronic prepayment watt hour meter and dtsy1723 three-phase or four phase smart watt hour meter are domestic advanced products manufactured by advanced solid-state technology, integrated technology and SMT process. With the characteristics of anti-theft, high precision, high reliability, high overload and low power consumption, it is an ideal product to transform the power system, realize the commercialization of power, solve the charging difficulties, unify the management of power and facilitate the users.
1、Specifications
| Model ╲ specification |
Accuracy level |
Voltage |
Electric current |
|
DDSY1723 |
1 |
220v |
5(20)A |
|
DDSY1723 |
1 |
220v |
10(40)A |
|
DDSY1723 |
1 |
220v |
20(80)A |
技术参数：
2、Main technical parameters
|
Basic error of load current |
Power factor
COSΦ
|
Internal error（％） |
|
|
Level 1.0 |
Level 2.0 |
||
|
0.05Ib≤I＜0.1Ib |
1.0 |
±1.5 |
±2.5 |
|
0.1Ib≤I≤Imax |
1.0 |
±1.0 |
±2.0 |
|
0.1Ib≤I≤0.2Ib |
0.5L(lag) |
±1.5 |
±2.5 |
|
0.8C(speed-up) |
±1.5 |
— |
|
|
0.2Ib≤I≤Imax |
0.5L(lag) |
±1.0 |
±2.0 |
|
0.8C(speed-up) |
±1.0 |
— |
|
Note: ① ib is the calibration current, and IMAX is the maximum current.
② Starting current: under the condition of rated voltage, rated frequency and power factor of 1, the load current of the meter is shown in the following table, and the meter can work normally.
| Accuracy level |
Level 1 |
Level 2 |
|
Load current |
0.4%Ib |
0.5%Ib |
|
Self consumption |
2W 10VA |
|
|
Relay contact life |
≥100,000 times |
|
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