High accuracy air flow sensor, EE-75


EE-75 Precision gas flow & velocity meter based on thermal mass flow can operate in temperatures up to 120°C.

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Air velocity

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 reliable measuring results at high flow velocities of up to 40m/s.
In addition to air velocity and temperature values, the transmitter calculates the volumetric flow rate in m³/h 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 EE75 series can be used to measure the velocity of other gases as well, although a correction has to be applied to the unit at the factory.
  • Working range 0 to 40 m/s. -40 to 120°C
  • Calculation of volumetric flow rate
  • Probe diameter 8mm
  • Remote probe up to 10m
  • Correction  for pressure, humidity & media
  • PC set up – software included
  • Pressures to 10bar
  • Optional Display

Downloads:   Data sheet       User manual

Additional information


Wall mounting, Duct mounting, Remote probe, Remote pressure tight probe

Output,working range,probe length

4-20mA, 0-10m/s, 200mm, 4-20mA, 0-40m/s, 200mm, 4-20mA, 0-40m/s, 600mm, 0-10V, 0-40m/s, 600mm

Cable length,display,plug

No cable, no display & 1 plug for power and O/P, 2m cable, no display & 1 plug for power and O/P, 10m cable, with display & 1 plug for power and O/P

Pressure tight feed through

½” ISO thread, ½” NPT thread, Not applicable


Vel: 0-5m/s & Temp: 0-60ºC, Vel: 0-5m/s & Temp: 0-100ºC, Vel: 0-40m/s & Temp: 0-60ºC, Vel: 0-40m/s & Temp: 0-100ºC, Vel: 0-40m/s & Temp: -20-60ºC