1 Introduction
MANUAL TME400-VCF · EN08 · July, 01
st
2021
Example calculation for the pressure loss of a turbine meter:
TME400 in DN 150:
Qm = 650 m³/h
= 1.3 kg/m³ (natural gas at 600 mbar overpressure)
Z
p
(TME400) = 5040 (see the table above)
Calculation:
= 5.5 mbar
1.4.2.11.
Putting the device into operation
You receive the TME400 parameterized and calibrated according to your
specifications, so that no additionally settings are generally required.
However, check whether these settings match your specifications; check the settings
of the pulse width, the frequency reducer and the settings of the current output (for
versions with current output).
Set up all totalizers to the meter status which you desire. (see chapter 4.2 Program-
ming).
Parameters can be changed exclusively with the device open.
1.4.2.12.
Maintenance / lubrication
The TME 400 turbine gas meter is maintenance-free (apart from the lubrication for
meters with an oil pump).
Meters in custody transfer operation must be calibrated at the prescribed intervals
(according to national law). For meters in secondary operation, we recommend from
a metrological point of view a check at the manufacturer every 5 to 8 years.
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