The main advantages of Asset NPM Power Analyzer are listed below:

  • Modbus-RTU, Modbus-TCP, Lon-Works, Profibus-DP communication alternatives
  • 72×72 mm panel and rail mounting models as well as the standard size dimensions (96×96)
NPM Power Analyzer (RS485) is used for basic power parameters of current, voltage, power, power factor, frequency etc. to measure electricity and energy parameters in distribution panels. Parameters can be monitored easily in low-light environments with their large size dimension seven segments LED display, even from a distance. As well as displayed on its screen, the measured parameters can be transferred to energy management systems and SCADA over various communication interfaces. Supported communication interface and protocols of the NPM Power Analyzer (RS485) are; RS485 Modbus-RTU, Ethernet Modbus-TCP, Profibus and Lon-Works. The built-in Ethernet version of the device with Modbus-TCP/IP protocol has also the version of web server inside. It is possible to remotely connect using an internet browser without any management program and real time/historical measurements can be monitored. NPM Power Analyzer (RS485) ensures the connection through industrial PLC devices by providing additional analog outputs or pulse outputs for energy consumptions to communication outputs. NPM Power Analyzer (RS485) which has digital input optional models allows you to follow energy consumed on grid and generator separately. A reference cable taken from your generators will be connected to the tariff input of the analyzer to perceive start of the generator, then energy consumption of this period can be measured in different register in analyzer as generator consumption. NPM series multimeters have models of 72x72 mm, 96x96 mm suitable for panel mounting and rail mounting. By this way they can be easily used in a lot of type applications.

NPM Power Analyzer | Technical Features

The technical specifications and the parameters of Modbus-Rtu Multimeter (RS485) are listed below:

NPM Series Power Analyzers | The Parameters

Although the parameters vary from model by model measurable parameters of the   NPM Power Analyzer are as follows:
  • V (L-L), V (L-N) and average voltage on each phase
  • Current on each phase and total current
  • Active, reactive and apparent power
  • Import/Export active and reactive energy
  • Power factor,  cos(φ)
  • Frequency
  • Heat

NPM Power Analyzer | Technical Specifications

  • Maximum margin of error for current and voltage is 0,5% and  1% for energy
  • Without auxiliary supply or with 110/230 Vac, 24/48 Vdc
  • 3x500 V, X/5 A, 40-100 Hz measurement input
  • IP52 protection class
  • 72x72, 96x96 or rail mounting
  • 3 analog outputs optional
  • 2 digital outputs optional
  • 1 digital input optional

NPM Power Analyzer | Multimeter Models and Options

Mounting Size Supply Communication Tariff Selection Digital Input Digital Output Analog Output
NPM250 96x96mm From Voltage Inputs 230 Vac 110 Vac Not RS485 Single Tariff Not 0 2 Not
NPM260 96x96mm From Voltage Inputs 20-60Vac/dc 90-250Vac/dc Not RS485 Profibus Ethernet Lon-Works Single Tariff Grid/Generator 0 1 3 0 2 0 1 3
NPM260D Rail (6 Module) Grid/Generator 20-60Vac/dc 90-250Vac/dc Not RS485 Profibus Ethernet Lon-Works Single Tariff Grid/Generator 0 1 3 0 2 0 1 3
NPM10D Ray (3 Module) From Voltage Inputs 230 Vac 110 Vac Not RS485 Single Tariff Not 0 2 Not
Type Size Download Link
General Catalog PDF 1 MB Download
NPM250 Modbus Table PDF 1 MB Download

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