Technical Data 5
gas-net F1
Page 5-1
5 Technical Data: gas-net F1
Device Type
Electronic flow computer.
The device considers the compressibility ratio (k) according to SGERG-88 under
ISO 12213-3 or to AGA-NX-19 or to AGA8-92 DC under ISO 12213-2.
Inclusion of the gas quality data as online data (via DSfG or Modbus protocol as
standard) or fixed tabular values.
Alternatively, the correction method with k=constant may be used.
The gas-net F1 may also be operated with two or three streams and is capable
of keeping totalizers for two flow directions for each corrected stream.
Housing
Plug-in unit in 19'' design, 3 height units, 1/3 or 1/2 mounting width for swing
frame mounting.
Mounting depth is about 170 mm without connectors and about 220 mm with
connectors.
Process interfacing is on the back; operator panel, on the front.
Power Supply
24 V DC +/- 20 %; power input: up to 12 W. As an option: 230 V AC via external
power supply.
Operation
16 input keys (12 for numerical entry and 4 for navigation) and one calibration
switch. Easy-to-learn operation via invokable menus. The GAS-WORKS
program system provides a remote control function via modem and COM2 or
DSS data interface.
Display
Illuminated LCD; 8 lines with 32 characters each; status LED for the indication of
mains/alarm/warning.
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