miniELCOR is battery powered EVC designed to be used for installation in hazardous areas. Device can be optionally supplied from external intrinsically safe power supply. miniELCOR is excelent price/performance ratio solution for basic telemetry functions and billing.
miniELCOR uses secure sealed switches to prevent unauthorized configuration changes and obtaining unauthorized data from the device. The switches are located inside of the device. Additionally, sophisticated system of passwords can be activated.
Device has been equipped with six button keyboard and backlit graphic LCD display. Users can easily check instant values, device parameters or archives.

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Key Features:

  • One channel Electronic Volume Converter (EVC)
  • Designed to be used for installation in hazardous area – Zones 0, 1 and 2
  • Battery lifetime more than 5 years
  • Fully configurable device (Telves service tool)
  • Graphical backlit LCD display 128 x 64 pixels
  • Possibility to connect 3rd pressure or temperature sensor
  • Possibility to connect second EVC as subsystem
  • Typical error under reference conditions < 0.15 % from measured value (<0.5 % - MID)
  • Certificate FTZU 08 ATEX 0324X
  • Protection class IP 66
  • Working temperature -25°C to +70°C


  • Serial interface RS-232 / RS-485
  • Optical interface IEC 62056-21

Inputs / Outputs:

  • 4 digital inputs
  • 4 digital outputs
  • Up to 4 analog outputs realized via CL1 module ( 4-20mA)

Optional Accessories:

  • Thermowell, mounting kit, three-way tap (type DN 3 PN 100)
  • Digital transducers EDT 23 (pressure) or EDT 34 (temperature)
  • Infrared head HIE-03 (RS232) or HIE-04 (USB)
  • Current output module CL1 (4 – 20)mA
  • Intrinsically safe power supplies JBZ-02, JBZ-03
  • Communication modules DATCOM K3/K4
  • Expansion module for digital transducer option (Option board RS485)
  • GSM/GPRS communicator DATCOM AMR1/AMR2/AMR3
  • Telves – Setting and service SW