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   HTA105 

 

 

 

 

EN - 7

 

 

Fig. 5: Enabling/disabling the Auto Power Off function 

 

9. Press keys 

UNIT

 or 

UNIT

 to select options: 

on

” 

(activation of Auto Power Off 

function) or 

oFF

” 

(deactivation of Auto Power Off function) 

10. With activated Auto Power Off function, symbol 

” 

is shown on the display and the 

instrument automatically turns off after approx. 20 minutes

’ 

idling 

11. Press  key 

ENT 

to confirm. The following screen (which allows to set the value of 

atmospheric pressure expressed in 

hPA = mbar

 (

not measured by the instrument

) is 

displayed 

 

 

Fig. 6: Setting of atmospheric pressure value 

 

 

CAUTION 

 

  The atmospheric pressure value is important for the necessary 

compensation in order to obtain accurate air velocity measurements 

  The measurement of atmospheric pressure can be obtained with other 

instruments or from local weather stations 

 
12. Press  key 

ENT

. The value of last digit flashes on the display 

13. Press  key 

MEAN

 to move the decimal point to the desired position and the 

UNIT

 or 

UNIT

 keys to set the desired value of atmospheric pressure and confirm with key 

ENT

 

14. Press and hold (>2s) key  /

SET

 to quit section Settings and go back to measuring 

screen. 

 
 
 
 
 
 
 

Содержание HTA105

Страница 1: ...Copyright HT ITALIA 2018 Version EN 1 00 19 03 2018 ENGLISH User manual...

Страница 2: ...4 3 8 Key MAXMIN 5 4 3 9 Key MEAN 5 4 4 Instrument settings 6 5 OPERATING INSTRUCTIONS 8 5 1 Measurement of air speed and temperature 8 5 2 Measuring volumetric flow rate and air humidity 9 5 3 Calcu...

Страница 3: ...ng observe the instructions given in this manual improper use could damage the instrument or its components 1 1 PRELIMINARY INSTRUCTIONS We recommend following the normal safety rules devised to prote...

Страница 4: ...ked from an electric as well as mechanical point of view All possible precautions have been taken so that the instrument is delivered undamaged However we recommend generally checking the instrument i...

Страница 5: ...CRIPTION OF THE DISPLAY CAPTION 1 Speed measurement icon 2 Active Settings 3 Active Data HOLD 4 Indication of minutes seconds 5 Indication of active Auto Power OFF 6 Low battery symbol 7 Main display...

Страница 6: ...allows selecting the measuring unit of air temperature shown on the secondary display between the options C Celsius and F Fahrenheit selecting the measuring unit of air volumetric flow rate between t...

Страница 7: ...n the display 4 Press keys UNIT or UNIT to select the desired measuring unit among the options in2 m2 or ft2 5 Press key ENT to confirm The screen in Fig 4 left side is shown on the display Fig 4 Sett...

Страница 8: ...PA mbar not measured by the instrument is displayed Fig 6 Setting of atmospheric pressure value CAUTION The atmospheric pressure value is important for the necessary compensation in order to obtain ac...

Страница 9: ...y UNIT to set the measuring unit of air speed see 4 3 5 and key UNIT to set the measuring unit of air temperature see 4 3 6 on the secondary display after press key FLOW TEMP 4 Let the protection slid...

Страница 10: ...shown on the display 6 Press key UNIT to select measuring unit CMM or CFM on the secondary display see 4 3 6 7 Let the protection slide see Fig 1 part 15 until the sensors are covered and check that...

Страница 11: ...to be carried out with the same procedure as for air speed 5 Press key MEAN Symbols and Mean are shown in the bottom part of the display while the number of the measuring spots are show on the main d...

Страница 12: ...as for air speed 5 Press and hold 2s key MEAN Symbols Mean and and air speed are shown respectively in the bottom part of the display and on the secondary display while symbols 0000 and mm ss timer ex...

Страница 13: ...ation make sure you have removed the probe from the input terminal When symbol is shown on the display air speed indication is flashing and in these conditions the measured value does not comply with...

Страница 14: ...122 0 F 0 1 F 1 8 F Measurement of air relative humidity Range Resolution Accuracy 0 RH 100 RH 0 1 RH 5 RH 7 1 1 General characteristics Mechanical characteristics Size L x W x H 190 x 65 x 45mm 7 x 3...

Страница 15: ...e humidity 80 RH Storage temperature 10 C 60 C 14 F 140 F Storage humidity 80 RH Max operating altitude 2000m 6562ft This instrument complies with European Directive EMC 2014 30 EU This instrument sat...

Страница 16: ...consequence of improper packaging Repairs which may become necessary as a consequence of interventions performed by unauthorized personnel Modifications to the instrument performed without the manufa...

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