类型	电子式电能仪表	品牌	新艺、柳川、沪立
型号	DDS791	基本电流	1.5(6)、2.5(10)、5(20)、10(40)、15(60)、5（50）、10（100）、5（100）（A）
准确度等级	1级或2级	参比电压	110V -400V AC（V）
电流倍率	20	显示方式	计度器、液晶
频率	50或60（Hz）	电流	100（A）
装箱数	20

Performance criteria:

 Operating  humidity                   ≤ 75% Storage     humidity                   ≤ 95%Operating temperature         -10°C - +50°CStorage temperature          -30°C - +70°CInternational standard 

                                      IEC 62053-21

Accuracy class                          1

Protection against penetration        

of dust and water                    IP51

Insulating encased meter of

protective class                        Ⅱ

 

 

 Specifications:

 Nominal voltage    (Un)               230V ACOperational voltage           161 - 300V ACInsulation capabilities: 

AC voltage withstand      2KV for 1 minute    

Impulse voltage withstand

                             6KV – 1.2μS waveformBasic current (Ib)          5 A Maximum rated current (Imax)     50 A

Operational current range   0.25A - 50A 

Over current withstand    1500A for 0.01s 

Operational frequency range  50Hz ±10%Internal power consumption  ≤2W / 10V

Test output flash rate (RED LED)   

                        1600 impulses per kWh

Pulse output rate (pins 2 &3)           

                        1600 pulses per kWh

Power supply indicator (Green LED)   

         Meter is connected and working OK

Consumption indicator (RED LED)     

                     Flashing at load running

 Dimensions

Height                      88  mm  

Width                       75  mm

Depth                       68  mm

Distance between

installation holes  

  63  mm (installation mode in front of board)Weight                      0.2 Kg (net)