TESTO 945 - Configuration

5. Device control
32
5.3 Configuration
The measuring instrument can be configured via PC.
5.3.1 Configuration
Units
1
Open
Units
window: .
2
Select parameter, unit and
Calculated variables : .
3
Confirm input: .
5.3.2 Settings
Parameters
1
Open
Absolute ppressure/Density/Pitot ttube ffactor
(testo 445/645 only): .
The software calculates Air density automatically from
the input parameters Absolute pressure, Air moisture
and Temperature.
2
Inputting values:
·
Air density influences velocity measurement with
Pitot tube.
·
Absolute pressure influences the calculation of
pressure-dependent absolute humidity parameters
(e.g. g/kg)
·
Pressure compensation influences velocity
measurement with thermal flow probes.