RMG TME400, Руководство по эксплуатации

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4 Operation
MANUAL TME400-VCF · EN08 · July, 01 st 2021
63
4.3.3.1.
Volume / Meters
Coordi-
nate
Name Description
A01 Standard volume Volumes added up, corrected according to the equation above, plus
the status and compression factor (see above).
A02 Operating volume Volumes added up at the current (temperature and pressure) condi-
tions.
A03 Standard volume error Volumes added up under standard conditions; in these conditions a
parameter was faulty or could not be determined (e.g. temporary fail-
ure of the temperature sensor, etc.)
A04 Operating volume error Volumes added up under the present conditions; in these conditions
a parameter was faulty or could not be determined (e.g. flow rates
below or above the flow rate range, etc.)
A05 Uncorrected operating
volume
Z26: If the characteristic correction is deactivated, A05 is not visible
and cannot be adjusted.
If a characteristic correction is activated, this characteristic curve
correction is deactivated from 0 up to this value A05.
A06 Volume Start/Stop Starts and stops a volume flow measurement
A07 Volume Reset Sets the volume flow rate to 0
A10
Meter factor
With the meter factor (pulse value), the corresponding operating
value flow is calculated from the signal frequency of the sensor ele-
ment in the meter electronics.
𝑞
𝑚
=
𝑓
𝑉
𝐾
𝑉
∗ 3600[
𝑚
3
ℎ
]
The meter factor must be calibrated at the factory so that a direct
meter display in cubic meters.
Note
A change of this adjustment takes place in the area of re-
sponsibility of the operator.
After any change to the meter factor, calculation takes place
with the new value immediately.
The uninfluenced signal frequency of the sensor element is available
at the HF output. The frequency range can be determined from the
meter factor K and the minimum and maximum operating volume
flow of the meter according to the formula:
𝑓
𝑉 𝑚𝑖𝑛
=
𝑞
𝑚 𝑚𝑖𝑛
3600
∗ 𝐾
𝑉
𝑓
𝑉 𝑚𝑎𝑥
=
𝑞
𝑚 𝑚𝑎𝑥
3600
∗ 𝐾
𝑉