4.3.3.5.
The TME400 enables calculation of gas parameters, particularly the
compression factor according to various methods. These methods
must be adjusted in coordinate E05 with the corresponding number.
Available for selection:
The application of these calculations have been verified in the range
of:
Temperature: -25°C to +60°C
Pressure: 0 bar to 40 bar (absolute)
The calculation method also carries out checks on the approved in-
put variables (e.g. temperature, pressure, standard calorific value,
etc.). If the limits are exceeded, the calculation is performed with the
default value of the compression factor. In this case, the device dis-
plays an error. The volumes are then summarized in the error total-
izer.
Compression factor constant
The simplest option is to set to the compressibility to constant. This
is correct if you always work with the same measuring gas and know
the compression factor. Enter this compression factor in E02. The
compression factor is set to "1" for an ideal gas (e.g. gases at low
pressure).
Complete gas analyses are not necessary for any other gas models,
but knowledge of additional gas parameters is necessary. Depend-
ing on the model, this must be entered in coordinates E07 to E12:
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