Delta OHM DO2003, Manual, Page: 50 / 60

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Pitot tube probe: AP473 S1 - AP473 S2 - AP473 S3 - AP473 S4
AP473 S1 AP473 S2 AP473 S3 AP473 S4
Type of measurements Air speed, calculated flow, differential pressure, air temperature
Measuring range
Differential pressure
10 mbar 20mbar 50mbar 100mbar
Speed (*) 2 … 40m/s 2 … 55m/s 2 … 90m/s 2 … 130m/s
Temperature -200…+460°C -200…+460°C -200…+460°C -200…+460°C
Resolution
Speed 0.1 m/s
1 km/h
0.01·10
3
ft/min
1 mph
Temperature 0.1°C
Accuracy
Speed ±
0.4%f.s. of pressure
±
0.3%f.s. of pressure
Temperature ±
0.8°C
±
0.8°C
Min. speed
2 m/s
Air temperature
compensation
-200…+460°C (if thermocouple type K is connected to the module)
Unit of measurement
Speed m/s – km/h – ft/min – mph
Flow l/s – m
3
/h – cfm
Pipe section for flow
calculation
0.001…1.999 m
2
(*) At 20°C, 1013mbar and negligible Ps