ERZ 2000-NG Flow Computer Series

Available as:

  • Flow corrector based on state variables
    ERZ 2004-NG
  • Flow corrector based on calorific value
    ERZ 2104-NG
  • Differential pressure calculator
    ERZ 2114-NG
  • Parallel calculation of compressibility according to all established methods, (e.g., GERG 88 S, AGA 8, AGA NX 19 or Beattie-Bridgeman)
  • PC-based computer
  • Graphical display and easy operation on the touchscreen
  • PC operation via any Internet browser
  • Parameters, constants, limit values freely programmable
  • Error curve linearization of the gas meter
  • Testing functions (freezing measured values, calibration during operation, function test)
  • Data logging feature
  • Programmable archive
  • Remote data transfer
  • DSfG control point function
  • Optional plug-in Ex-i card for pressure, temperature and volume inputs
  • Plug-in modules, 19″ plug-in
PTB / MID approved
Connections
2-channel volume input
Digital and analogue inputs
Impulse and analogue outputs
DSfG interface according to DVGW G 485
Modbus interface (ASCII/RTU/TCP)
2 x Ethernet TCP/IP network interface
Supply voltage
24 V/DC
Ambient temperature
-20 °C to +55 °C

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