YOSensi Airflow Pro2 User manual

1. Unscrew the device and remove all four screws from the enclosure.
Figure 1 Opening the enclosure of the device.
1

2. Place three LR6 batteries in the device according to the polarity indicated on the battery
holder.
Figure 2 Battery placement instructions.
3. Test to ensure the device turns on, then screw the enclosure back together.
4. Insert the silicone tubing into the sensor inputs.
Figure 3 Silicone tubing connection instructions.
Important!
The sensors must be placed according to the following diagram, i.e., the sensor measuring the
higher pressure must be placed on the right side and the one measuring the lower pressure on
the left side:
2

Figure 4 Silicone tubing connection instructions (side view).
Important to avoid breaking the device!
When removing silicone tubes, it is necessary to use a sharp tool. First, the tubes must be cut off
at the edge of the sensor, then you can cut off the rest of the tube located along the black sensor.
Be careful to gently remove the rest of the silicon tube without breaking the sensor.
5. Place the brackets according to their use:
●The sensor measuring the higher pressure must be placed where the higher
pressure occurs
●The sensor measuring the lower pressure must be placed where the pressure is
lower
Figure 5 Connecting silicone tubing with pitot tubes.
3