Cross Section; Probe Cable - E+E Elektronik EE75 User Manual

Air / gas velocity sensor
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4.5

Cross Section

The EE75 allows volumetric flow to be displayed in [m³/min] or [ft³/min.] (see Hardware,
chapter 5.3 - Display Module with Buttons - Measurands).
The volume is calculated based on the flow velocity measured and the cross section. Consequently,
the cross sectional area of the duct must be entered in [m²] or [ft²].
To make it easier to calculate the cross sectional area, the "Cross sect." tab provides input
assistance:
Circular:
Measure and enter the duct diameter in [m] or [ft]
- Press "calculate"
- The cross section is calculated and entered in the "Cross sectional area" field
Rectangular:
Measure and enter the duct length and width in [m] or [ft]
- Press "calculate"
- The cross section is calculated and entered in the "Cross sectional area" field
If the duct has a different shape or the cross-sectional area is already known, the value can, of
course, also be entered directly in the "Cross sectional area" field, in [m²] or [ft²].
4.6

Probe Cable

The length of the probe cable (sensor with remote probe) should not normally be changed.
However, if it is necessary to do so, the new (modified) probe cable length must be entered on
the "Probe Cable" tab. This virtually rules out additional measuring errors due to the modified
cable length.
Example: You order an EE75 T3***K5 (5m /
with 3m
(9.8ft)
"Write" function.
Notes:
- The cable length is measured from the centre of the sensor element in the sensor head to
the point where it enters the enclosure (PG / screw connection).
- To increase the length of the probe cable, the instrument must be returned to E+E Elektronik.
. The new cable length of 2m
18
cable length) and then cut the cable
16.4ft
should be entered and uploaded using the
(6.6ft)
Configurations Software

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