FISCHER Mess- und Regeltechnik GmbH
Assembly | 3
BA_EN_FT90
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3.3 Process connection
• By authorized and qualified specialized personnel only.
• The pipes need to be depressurized when the instrument is being connec-
ted.
• Appropriate steps must be taken to protect the device from pressure surges.
• Check that the device is suitable for the medium being measured.
• Maximum pressures must be observed (cf. Tech. data)
The pressure lines must be kept as short as possible and installed without any
tight bends to avoid delays.
The pressure lines must be installed at an inclination so that no water pockets
are created. If the required gradient is not reached, water filters need to be in-
stalled at suitable points.
The process connections are marked with (+) and (-) symbols on the device.
The pressure lines must be mounted according to these symbols.
1.
Differential pressure measurement
Higher pressure
lower pressure
2.
Pressure measurement
Pressure
open
3.3.1 Replacement plates
The device is fitted with different replacement plates depending on the number
of measuring channels.
Differential pressure
Moisture and temperature
Moisture and temperature
Blind plug
Blind plug
Fig. 8:
Replacement plate
These replacement plates are equipped ex-works with the required process
connections and the M12 flange connectors for the electrical connection. The
user may not make any independent modifications.
