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
Ambient temperature
-20 °C to +55 °C