Datasheet

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EE75
The EE75 series air velocity transmitters were developed to
obtain accurate measuring results over a wide range of velocities
and temperatures.
A high-quality hot film sensor element based on cutting-edge thin
film technology ensures maximum sensitivity, even at lowest mass
flows. At the same time, the innovative probe design produces reli-
able measuring results at high flow velocities of up to 40m/s (8000ft/min).
The integrated temperature compensation minimises the temperature
cross-sensitivity of the EE75 series which, combined with the robust
mechanical design, allows it to be used at process temperatures
between -40 to +120°C (-40 to 248°F).
In addition to air velocity and temperature values, the transmitter
calculates the volumetric flow rate in m³/min or ft³/min. The cross
section of the duct needs to be determined for this purpose and the
volumetric flow rate can be displayed and directed to one of the
analogue outputs.
The configuration software included in the scope of supply allows to
choose the appropriate output parameter and freely scale the dis-
play range and signal level of the two analogue outputs. In addition
user-friendly calibration of the air velocity and temperature and the
adjustment of key parameters (e.g. response time of the velocity
measurement, low flow cut-off points, etc.) are supported as well.
An optional illuminated display with two control buttons integrated in
the cover is available. In addition, this enables changes of the configu-
ration to be made directly on the unit.
The EE75 series has a robust metal housing to protect against
possible damage in rough industrial environments. There are four differ-
ent models, providing a comprehensive range of mounting options:
- Model A for wall mounting
- Model B for duct mounting
- Model C with remote probe
- Model E with remote probe, pressure-tight up to 10bar (145psi)
The EE75 series can be used to measure the velocity of other
gasses as well, although a correction has to be applied to the unit at
the factory.
high accuracy
working range 0...40 m/s
(0...8000ft/min) and
-40...120°C (-40...248°F)
measurement of air velocity and temperature
calculation of volumetric flow rate
low dependence on angle of inflow
probe diameter 8mm
(0.3”)
remote probe up to 10m (32.8ft)
easy mounting and maintenance
correction for pressure, humidity and media
low flow cut-off
pressure tight up to 10bar
(145psi)
SI and US units selectable
Features
- monitoring incoming and outgoing air
(energy management) in HVAC applications
- filter monitoring and laminar flow
control in cleanrooms
- exhaust systems, exhaust hoods and
glove boxes in the pharmaceutical,
bio and semiconductor industries
- mass flow measurement during
incineration processes
- monitoring and measurement
of compressed air systems
- air conveying systems
- wind tunnels and climate simulators
EE75
High-Precision Air / Gas Velocity Transmitter
for Industrial Applications
Model A
Model B
Model C
Typical Applications
EE75
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