Table of Contents
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1 Introduction
1.3 Overview of versions
1.3.1
The TME 400-VM is a turbine meter which is used for volume measurement of the
operating volume of non-aggressive gases and burnable gas. The operating volume
flow is determined based on the turbine speed, which is scanned by means of a Wie-
16
gand or Reed sensor element and then added together in internal archives. The re-
sult is registered in an electronic meter.
There are a high-frequency (HF) and a low-frequency (LF) output, where the HF out-
put is preferably used as a flow sensor for control tasks and remote transmission. In
addition to these outputs, the TME 400 VM has a serial RS 485 interface for digital
data readings and parameterization. The TME 400-VM is used in non-custody-
transfer applications.
The TME 400-VMF (MID) is the turbine meter for custody-transfer applications and
has an equivalent function and operating method to the TME 400-VM. The essential
difference is the 2-channel measuring head version. It is used in custody-transfer
applications.
1.3.2
TME 400-VM
Non-custody-transfer measurements
•
Electronic meter
•
Alarm output
•
Optionally available in a version with remote meter
•
(distance from meter head to meter: 10 m;
see appendix C
2x pulse inputs selectable for Reed, Wiegand and external pulse transmitters
•
(remote meters)
1x contact input
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1x HF output
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(input pulse of pulse input 1 is output with defined pulse width of 1 ms)
1x LF output with defined pulse width (20 ms, 125 ms or 250 ms)
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1x RS485 with external power supply
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1x optional power module
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Power supply via 3.6V lithium cell or an external power supply which is assigned
•
to the RS485 interface (supply via power module alone is not adequate and a
battery is required for support)
Archive memory for events, parameters, measurements
•
Manual TME400-VMF · EN11 · January 22nd, 2024
Description
Device features
Dimensions)
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