? Our Services ?ONE YEAR WARRANTY ? ? ? ? Product Description ?EM 300A-1AY?MULTIPLE FUNCTION POWER?METER New lead free model for optional Compared with other suppliere,we could offer you: Brands Quality,EM 300?is selling well oversea and which win many big projects in China Different model for your requirement OEM Service with a strong R&D term Your mark with no extra cost for bulk ? Function description 1.Analog measurement Voltage Current Voltage unbalance degree Current unbalance degree Current load degree Active power, reactive power and apparent power Power factor Frequency Total active energy absolute ,total reactive energy absolute Input active energy absolute, input reactive energy absolute Output active energy absolute, output reactive energy absolute 4 quadrants reactive energy Three phase unbalance factor(U/I)
2.Load type
Indicate the current load type:
Capacitive load or Inductive load ?
3.Remote transfer
2DI real time switch-status monitoring ?
4.Communications
Communication interface:RS485
ModBUS-RTU protocol ?
5.Display
Real time display above parameters and DI status ?
6.Factors don't lose even power off ? EMC?Standard ? ? ? ? Packaging & Shipping ? 1pc/box 12 box/ carton ? ? ?