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Compressed Air Flow Computer ES749

Compressed Air Metering Flow Computer with Advanced Options Available.

The Compressed Air Flow Computer ES-749 satisfies the instrument requirements for compressed air metering applications. The compressed air flow computer ES749 is suitable for use in compressed air metering applications.


The alphanumeric display offers measured parameters in easy to understand format. Manual access to measurements and display scrolling is also supported.

Compressed Air Metering Illustration



Other Applications for ES-749 Include:

    • Natural Gas
    • Steam Mass, Steam Heat, Steam Net Heat, Steam Delta Heat
    • Fuel Oil
    • Industrial Gas
    • Chilled Water Only
    • Heated Water Only including Low Delta T Cutout


  • “EZ Setup”- Guided Setup for First Time Users
  • Liquid, Gas, Steam and Heat Flow Equations
  • Utility Metering – Steam, Heating/Cooling, Chilled Water, Natural Gas, Compressed Air
  • Menu Selectable Hardware & Software Features
  • Two Line LCD, OLED or VFD Display
  • Internal Data Logging Option
  • Isolated Pulse and Analog Outputs Standard
  • RS-232 Port Standard, Provides Power for Modem
  • RS-485 Optional
  • Windows™ Setup Software
  • NX19 Gas Equations, Stacked DP Transmitters
  • DDE Server & HMI Software Available
  • Remote Metering by Wireless or Modem


Training Aids



Large NEMA 4X Housing
with Hinged Cover

NEMA 4X/IP65 Enclosure
For ‘trol & SUPERtrol Cases

Large NEMA 4X/IP65 Enclosure
Accommodates Several Products

NEMA 4X/IP65 Enclosure
with Instrument Panel Option

Panel Mount Impact Printer

Panel Mount Thermal Printer

P20 Thermal Printer

P220 Impact Printer

Industrial Modbus Ethernet
to Serial Gateway

Multi-protocol Gateway

Network Gateway

Modbus RTU to
BACnet/IP Converter

IEPS-3000 Intelligent
Ethernet Multi Port Server

IEPS-1000 Intelligent
Ethernet Single Port Server

USB to RS-232
DB9 Serial Interface Adapter

CA285RS-422/RS-485 to
RS-232 Interface Converter
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