Sell LU-DP4W Single-Phase Electric Energy Meter

详情

1. Brief introduction
LU-DP4W is just for measuring of single-phase electric energy; the other functions of it are same as the functions of LU-DP4M.

2. Main technical parameters
◆ Accuracy: 1% RD
◆ Display: 4 bits LED numerical code tube
◆ Measurement parameters: electric energy
◆ Input
   Voltage: Rated voltage: AC**0V/AC**0V
           Over load: continued: 1.2 times; instant: 2 times (*0 seconds)
           Power consumption: <0.5VA
           Impedance: >1M&branded;
   Current: Rated current: AC5A/AC1A
           Over load: continued: 1.2 times; instant: *0 times (5 seconds)
           Power consumption: <0.4VA
           Impedance: <*0m&branded;
   Frequency: *5~*5Hz
◆ Output:
   RS**2 or RS**5 or RS**2 printer interface
◆ Power: AC*5～**5V，DC*5～**0V (standard)
          AC*0～*0V，DC*8～*0V (optional)
          Consumption: <4VA
◆ Communication: RS**5/RS**2 communication interface
 Modbus-RTU protocol
◆ EMC
   Surge immunity test: GB-T ****6.*****8 (Ⅳ)
EFT test: GB-T ****6.*****8 (Ⅳ)
Radio-frequency, electromagnetic field immunity test: GB-T ****6.*****8 (Ⅲ)
   Electrostatic Discharge Immunity Test: GB-T ****6.*****8 (Ⅳ)
   GB-T ****6 is in accordance with IEC ****0.
◆ Working environment: temperature: **0℃～**5℃; humidity: *0%～*5%, without condensation
◆ Storage environment: temperature: **5℃～**5℃; humidity: *0%～*5%, without condensation