Electrical Parts

Nivelco System Components

Nivelco System Components As Nivelco Level Measurement and Control concentrate on the manufacture of industrial level measurement and control products, NIVELCO is now a world-class level specialist, based in Hungary.

General Descriptions

NIVELCO’s strength originates from the solid base created by a family business, guided over 80 turbulent years. NIVELCO has established and maintained a leading and respected world market position, and has sold more than 1 million units of level instrumentation so far: NIVELCO is now one of the largest ultrasonic level transmitter producers in the world.

Nivelco System Components

Aside from the various range of Nivelco’s main product, Nivelco also produces system component products. Nivelco produces several types of system components, such as listed below:

Universal Interface Module (UNICONT PJK)

Nivelco System Components UNICONT PJK

Product Propeties

  • Universal expander module for: MultiCONT process controller, automated systems operating on RS485, PLC process control systems
  • RS485 communication
  • 4…20 mA current outputs
  • Programmable relay outputs


  • Expanding a process control system with 2 relays or 2 current outputs
  • For mixed systems: with 1 relay and 1 current output version
  • Provides galvanic isolation

Current Controlled Switch (UNICONT PKK)

Nivelco System Components UNICONT PKK

Product Properties

  • Suitable interface for devices having 4…20 mA or on-off outputs
  • Can power 2-wire transmitters
  • Galvanic isolation
  • 4…20 mA input
  • Power relay (SPDT) output
  • Limit, differential or window switch capabilities
  • Programmable damping
  • Explosion-proof models


  • Power supply and switching amplifier for 2-wire transmitters
  • Switching amplifier for 4-wire active transmitters
  • Dedicated switching amplifier version for the RC-400 range of Ex rated vibrating forks
  • Wire state monitoring
  • ON-OFF control

Loop Indicator (UNICONT PDF/PLK)

Nivelco System Components UNICONT PDF – PLK

Product Properties

  • Loop operated
  • Operation without external power supply in 2-wire type
  • Field display for transmitters
  • Scalable display
  • 20 mm digit height
  • 4…20 mA to HART® converter version
  • Heavy duty field mountable housing
  • Stainless steel housing
  • Ex flameproof input variants available


  • Universal field indicator for any transmitters
  • Selectable physical parameter set
  • Display of process values supplied by any transmitter
  • If used as HART® converter, powers 2-wire transmitters

Read More : Nivelco Industrial Sensor Process Control

Intrinsically Safe Isolator / Power Supply Module (UNICONT PGK)


Product Properties

  • Isolated power supply for intrinsically safe transmitters
  • DIN rail mountable
  • Compatible with all devices using standard HART® communication


  • For high precision transmitters
  • For transmitters operating in hazardous applications
  • For supplying and isolating certified measurement instruments

Read More : Nivelco Level Measurement and Control

Switching-mode Power Supply Module (NIPOWER)


Product Properties

  • Stabilized DC output
  • Switching-mode power supply
  • DIN rail mountable
  • Short-circuit protection
  • Overload protection
  • Over-voltage protection
  • IP20


  • For any transmitters
  • For sensors
  • For inductive, capacitive proximity switches
  • For infrared sensors
  • Ultrasonic Proximity sensors

Time Relay (NITIME)


Product Properties

  • 2- and 10-function types
  • Wide time range
  • Small size
  • Universal power supply voltage
  • DIN rail mountable
  • Relay output
  • IP20


  • Process controlling of repeated tasks
  • Timed cycling of pumps or compressors
  • Timing of technologic equipments
  • Sequential control

Read More : Nivelco Signal Processing Unit



Product Properties

  • Communication interface (modem) between HART®-capable transmitters and PC
  • DIN rail mountable or test clip connector version
  • No need for power supply when using USB output
  • Galvanic isolation
  • Explosion-proof models
  • 24 V current loop power supply (SAT-504)
  • Switchable HART® resistor
  • Bluetooth compatibility (SAT-504)


  • Transferring measurement data to PC
  • Connecting field transmitter to the PC via USB, RS485 or Bluetooth®

Reference: Nivelco Process Control Co.