Your current location: HomeProducts & ServicesPower MeterNPD series three phase voltage meter

NPD series three phase voltage meter

Product Overview

The product is used to measure the three-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 Phase A, Phase B, and Phase C three-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 Three-phase three-wire, three-phase four-wire
Rating value AC100V、400V
Overload 1.2 times for long term overload; 10 times for instantaneous load (5s)
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 2way DI input
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 96×96mm,72×72mm
Opening size 89×89mm,66×66mm
page top