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Nivelco Loop Indicator, UNICONT

UNICONT Loop Indicator

Brand: Nivelco Process Control Co.
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UNICONT series is the universally scalable process value indicator of NIVELCO for current loops, most of them without the need for power supply. 

PLK-501 plug in display can be connected to the 2-wire transmitters with its DIN 43650 socket, such as NIPRESS pressure/level gauge and MicroTREK radar level transmitter.

The UNICONT PLK-501 has 4 digit LED display and both ordinary and ATEX certified versions are available. 

The UNICONT PDF- units are digital, field process indicators with 6 digit LCD display as well as transmitters, converting Analog current to HART signal. 

They are suitable for the use in hazardous areas in their ATEX certified EEx ia and EEx d versions. Models with HART converter require power supply.
Features
  • HART converter
  • 4 or 6 digit display, scalable
  • ATEX certified versions

Specifications

Brand

Ambient Temperature Range

  • -25° to 60° C (-13° to 140° F)
  • Without Display: -40° to 70° C (-40° to 158° F) - PDF-401-8 Ex, PDF-501-8 Ex 4-Wire Model

Approvals & Certifications

  • ATEX - Ex II 2 G EEx ia IIC T6, Ex II G EEx d IIB T6, Ex II (1)2 G EEx ia IIC T4
  • CE 0408
  • ISO 9001
  • UKAS

Class

  • Electric Protection: Class III

Communication

  • HART

Conduit Connection

  • M20 x 1.5

Diameter

  • Outer Diameter of the Cable: 0.23 to 0.47” (6 to 12 mm)

Display

  • 4-Digit LED of 0.29” (7.6 mm) Height - PLK-501-2, PLK-501-6 EX Model
  • 6-Digit LCD, Engineering Units & Bargraph

Electrical Connectors

  • Conduit Wire Cross Section, Max.
  • DIN 43650 - PLK-501-2, PLK-501-6 EX Model

Enclosure, Body Material

  • Paint Coated Aluminum (AISI12)
  • Plastic (VALOX 412)

Environmental Protection

  • Explosion-proof
  • IP65
  • IP67

Input

  • 0-20 mA - PDF-401-8 Ex, PDF-501-8 Ex 4-Wire Model
  • 4-20 mA

Mounting

  • Wall Mounting

Output

  • 4-20 mA / HART - PDF-401-8 Ex, PDF-501-8 Ex 4-Wire Model

Power Supply

  • 9-36 Vdc - PDF-401-8 Ex, PDF-501-8 Ex 4-Wire Model

Resistance

  • Input: 150 ohms - PLK-501-2, PLK-501-6 Ex Model

Supply Voltage

  • 9-36 Vdc

Voltage Drop

  • 5.2-6.5 V, Max.

  • Hazardous Areas
  • Process Indicators
  • Switching On/Off Pressure Control

Documentation

Data Sheets

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