EASZ-2 Manual v1.12 - 12.2.2018 Page 9 / 30
4. Installation
WARNING: The design of and the actual installation, can only be performed by persons suitably
qualified and trained while adhering to national and local standards and regulations.
4.1. Position
The unit can be installed in either a horizontal or vertical position but to ensure accurate readings:
The sensor pipe must always be full of fluid (the
pipeline diameter must not be smaller than the diameter
of the sensor pipe and positive pressure must be applied,
i.e. pump before unit).
When installing the unit in the vertical position the fluid
must always flow upwards (↑).
When deciding where to install the unit also take note:
Never install the unit in direct sunlight or above a heat
source such as radiators, this can result in the working
temperature range being exceeded.
The rate of temperature change of the fluid must not be
more than 1 ºC/minute.
Do not install the unit in a location that is at risk from
flooding.
Install the unit in a location that is easy to access for
calibration and servicing.
When using EASZ-2Ex, it is important to define the extent of hazardous areas in accordance with
national and local standards and define how far these areas extend away from the installed units.
The ambient temperature must never exceed the range -20 °C to +60 °C.
The surface temperature of the device (indicated on the device) must never be exceeded: this
temperature must take into account both ambient and fluid temperatures.
4.2. Sampling Point
When designing your installation a sampling point needs to be included just before the EASZ-2 unit for
calibration purposes.
The sampling point can either be a standard “Tee” piece
(threaded or flanged) added to the pipe work between the mixer
(if installed) and the unit,
or
the sampling point can be ordered from EESIFLO as a part of
the Sensor Pipe and Mixer (if required).
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General