YO Airflow Pro
User guide
v1.0
page 7/26
Operating conditions
OPERATING CONDITIONS
Temperature
0° to 70°C
Humidity
0 to 90%
Placement
Indoor use
Power supply
3 x LR6 (AA) battery (3 x 1,5 V)
Power consumption
Maximum 120 mA DC (4,5 V DC)
Measured values
MEASUREMENT RANGES
Parameter
Measuring range
Accuracy
Differential pressure
-500 Pa to 500 Pa
0,1 Pa + 3% reading
(temperature dependent)
Temperature (internal)
-40°C to 125°C
±0,2°C (from 5°C to 60°C )
Relative humidity (internal)
0% to 100%
±2% (at 20%RH to 80% RH)
Differential pressure
Differential pressure is measured by two separate compartments. Measurements inform users about
maintaining air flow and quality of airflow. Sudden drops in the chart from adopted standards can
inform about worn air filters.
Figure 4
Differential pressure monitoring chart.
REV 1.0