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Electronic Volume Corrector – EVC_V2

The EVC calculates corrected gas volumes using flow meter data and local conditions.

Overview

Electronic Volume Corrector – EVC_V2

EVC – Electronic Volume Corrector is used to calculate the Corrected volume of gas that has passed through the gas flow meter. Electronic volume correctors take the incoming pulse signal from a gas meter and also record the local pressure and temperature and then different algorithms are applied (S-GERG88, AGA8, NX-19 etc.) for calculation of the compressibility to calculate the Corrected volume of gas that has passed through the gas flow meter. Hardware is designed for a potentially explosive environment in ATEX ZONE 0, 1 and 2. To comply with ATEX we have to make sure that it cannot be a source of ignition as this will be in an area where the Gas is always present and could lead to an explosion.

The following are the features of the device:

Communication:

  • Isolated RS232/RS485 Interface
  • Integrated Modem for GSM, GPRS, 4G LTE
  • Optical UART Interface through Optical Head

Inputs / Outputs:

  • Temperature and Pressure Sensor Input
  • 2x Encoder Inputs (Namur / SCR+ / Pulse)
  • 4x Digital Inputs and 4x Digital Outputs
  • 2.4 inch 240×120 Display with Keypad Input
  • 4x Analogue Inputs 4-20mA (Optional)
  • IP66 Rated and ATEX Certified Enclosure

Delivered Services

System Architecture
PCB Design
Enclosure Design
Software Development
Testing

Product Features

Isolated RS232/RS485 Interface – Provides secure and reliable data communication for industrial applications.

Integrated Modem (GSM, GPRS, 4G LTE) – Enables real-time remote monitoring and data transmission via cellular networks.

Optical UART Interface through Optical Head – Allows safe, efficient data transfer in hazardous environments.

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