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4 Mounting and Installation
4.1
Choosing the Appropriate Mounting Location
PLEASE NOTE
▪
The mounting location site shall be easily accessible and free of vibration.
▪
A minimum clearance of 150 mm (5.9") shall be observed around the mounting location for installing /
removing the sensing unit of the EE741.
▪
The ambient temperature shall not exceed the specified limits. Also consider the possible heat radiation.
▪
Air (medium) purity at the mounting location shall comply to ISO 8573-1:2010, at least Class 3.4.4.
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The medium and the ambient conditions at the mounting location shall be non-condensing.
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In compressed air networks, the EE741 shall be installed after the air dryer. In the absence of a dryer, the
EE741 shall be installed after the condensate separator and appropriate filters.
▪
The flow direction in the pipe has to be observed.
▪
The recommended inlet and outlet path length has to be observed. These are relevant for measurement
accuracy as specified in the EE741 data sheet.
▪
EE741 shall be located as far as possible from flow disturbances, for instance at an appropriate distance
before valves.
4.1.1.
Process Pressure
WARNING
Pressurized and especially overpressurized pipes may lead to dangerously accelerated parts. This can lead
to serious injuries to personnel.
▪
The pressure in the pipeline may not exceed 16 bar (232 psi).
▪
In order to install or remove the measurement section the pipeline system should be depressurized.
Due to its measuring principle, the measurement accuracy of the EE741 is quasi-independent of the actual
process pressure. Besides, the device is factory adjusted at 7 bar (102 psi) absolute pressure. For normal
requirements pressure compensation is not necessary. For best measurement accuracy, the actual working
pressure can be set via display menu, via EE-PCS Product Configurator Software or via the IO-Link interface.
User Manual EE741
Inline Flow Sensor for Compressed Air and Gases | 12
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