Energoflow GFA 202, GFA414

 Ultrasonic gas flow rate meter Energoflow GFA-202

Ultrasonic Gas Flow Meters Energoflow GFA 202, GFA414

Overview

GFA202/GFA414 gas meters are the next generation ultrasonic gas
flow meters designed to measure the flow rate and volume of natural
gas in the forward and reverse direction. The meters have an
integrated flow corrector with pressure and temperature sensors for
effective and reliable custody transfer measurements.
The meters c omply with the requirements of O IML R137:2012
/amend.2014), EN 12405-1:2021, E N12405-2:2012 and the EU
ectives MID, ATEX, EMC and PED.
The G FA202/G FA414 gas meters are designed with types of
tection "explosion-proof enclosure " d" and "intrinsically safe
electrical circuit "i" as per EN IEC 60079-0:2018/AC:2020-02, EN 60079-
1:2014/AC:2018-09 and EN 60079-11:2012.
The GFA202/GFA414 meters can be powered by an external 12 VDC
source or from in-board battery for autonomous operation. The
battery life is 5 years.
The meters have the following outputs: 1 x LF pulse, 1 x LF/HF
pulse (user configurable); 1 x RS485 (Modbus); 1 x RS485 (Modbus) or
4…20 mA analog output (as ordered), 2 x NC discrete outputs .

Nominal values of volume flow rates

SPECIFICATION


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