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              NPD series single phase voltage meter

              Product Overview

              The product is used to measure the single-phase voltage in the power circuit. It is applicable to the power circuit, and automatic control system, and can be installed in many HV and LV fixed cabinet or handcart, and drawer cabinet, and features easy installation, simple wiring, easy maintenance, low workload, and manual setting of panel key input and modifying parameter ratio at site. Complete the networking communications between different PLCs within industry and industrial control computers.

              Product Features

              • The LED digital tube is used to display single-phase voltage.
              • The standard RS485 interface MODBUS-RTU communication protocol facilitates networking with background.

              Main Technical Parameters

              Performance Parameters
              Display method LED digital display
              Input signal Voltage Network Single phase
              Rating value AC100V、400V
              Overload 1.2 times for long term overload; 2 times for short term overload (60s)
              Power consumption <1VA(every phase)
              Impedance >300kΩ
              Accuracy True RMS measurement, accuracy class 0.2
              Measurement display Display LED digital display, and programmable settings
              Operating power Scope of Work AC 220V
              Power consumption ≤5VA
              Extension function Communication Interface RS485, MODBUS-RTU protocol
              Switch interface 2 way DI input/1 way DO output
              Environment Operating Environment -10~60℃ Humidity scope: 5~95% (non-condensing)
              Storage environment -40℃~85℃
              Safety Withstand voltage Among input, output, power supply >2kV
              Insulation Input, output, power supply to shell >100MΩ
              Overall dimensions Frame size 96×48mm,72×72mm,48×48mm
              Opening size 92×44mm,66×66mm,45×45mm
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