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Страница 1: ...il swema swema com Web page www swema com WARNING Before start measuring please read chapter 6 Set tings At delivery k2 factor and automatic density compensa tion for atmospheric pressure and temperature is set to ON Contents 1 Introduction 1 2 Technical data 2 3 Start of instrument 2 4 Unit 3 5 Mode 5 6 Settings Set 7 7 Notebook 8 ...
Страница 2: ... fpm and air flow in l s m3 h or CFM SwemaAir 5 has a built in barometer that with the measurement of temperature makes it possible to compensate for correct air density Air flow is measured by enter the are into the instrument directly as diameter or as height x width SwemaMan 5 can calculate minimum maximum and average value Saved measurements are easily transferred to a PC SwemaAir 5 has displa...
Страница 3: ...min 10 fpm Barometer 3 5 hPa 0 1 inHg Measurement uncertainty at 20 80 C Temperature 1 0 C 1 8 F Uncertainty according to GUM JCGM 100 2008 using a coverage factor of 2 which for a normal distribution corresponds to a probability of 95 It is important to correct the measurement values with the corrections stated in the calibration certificate to obtain the above uncertainties Non condensing non mo...
Страница 4: ...t points press Left Key Average Up Key Max or Down Key Min as long as the button is held down the corresponding value will be shown on the display Save a measurement After a measuring point has been stored it s possible to save the measurement in SwemaAir 5 s Notebook by pressing Save The dis play will show which note number the measurement is saved as i e n3 note 3 To erase the measurement from t...
Страница 5: ... be displayed press Unit once more for air flow in m3 h The air flow unit displayed is the last unit SwemaAir 5 was set to See chapter 5 Mode for more information on the different air flow measurements and how to change settings Barometric pressure Temperature hPa C Press Unit until hPa C is displayed The baro metric pressure and temperature shown on the display will be the values SwemaAir 5 uses ...
Страница 6: ...rature There are 13 preselected diameters to choose from using the Up and Down keys These diameters are between 80 and 1250mm standard diameters for circular ducts in the Scandinavian countries NOTE During measuring it is not possible to change a diameter before the measurement has been saved or erased To edit a diameter press Edit move between the positions of the digits with the Right and Left a...
Страница 7: ... the digit with the Up and Down keys and change between positions with the Right and Left keys Press Enter again to edit the Width when the symbol is shown Repeat the steps above Press Enter or Esc to return to measuring mode Press Unit to change between l s and m3 h Air flow measurement in duct with set Area Press Mode and select Press Enter to measure air flow in a duct with a given transversal ...
Страница 8: ...ure is used Real is the default setting so if SwemaAir 5 is turned off and on again it will go back to this setting Std Barometric pressure is set to 1013hPa and temperature is set to 20 C to mimic standard conditions Barometric pressure can be set manually Duration Set how long the averaging of the displayed values should be Possible settings are 0 5 1 2 10 seconds Higher averaging time will give...
Страница 9: ...e measurement To see the maxi mum and minimum value of the measurement use the Up Down Keys If Enter is pressed SwemaAir 5 will display some more information of the saved measurement The extra informa tion displayed is the barometric pressure and temperature used If an air flow measurement has been saved the k factor or duct dimension used will also be shown here Stored measurement in note book wi...
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