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   HTA105 

 

 

 

 

EN - 4

4. NOMENCLATURE 

4.1. DESCRIPTION OF THE INSTRUMENT 

 

 

CAPTION: 
1.  Input terminal for 

telescopic probe 

2. LCD display 
3. Key 

MEAN

 

4. Key 

MAXMIN

 

5. Key 

FLOW/TEMP

 

6. Key 

HLD

 

7. Key 

UNIT

 

8. Key 

/SET

 

9. Key 

UNIT

 

10. Key 

ENT

 

11. Key 

ON/OFF

 

12. Hot-wire  sensor 
13. Temperature  sensor 
14. Sliding  sensor 

protection 

15. Extensible  telescopic 

probe 

16. Handle of telescopic 

probe 

 
 

Fig. 1: Description of the instrument 

 

4.2.  DESCRIPTION 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 
8.  Main display multiple 
9.  Speed measuring unit 
10. Area measuring unit 
11. Secondary  display  data 
12. Temp/Humidity  meas. 

unit 

13. Secondary  display 
14. Flow  rate 

measuring unit 

15. Secondary  display 

multiple 

16. Activation  of  MAX 

and MIN 
measurements 

17. Activation  of 

average calculation 

18. Active  Average 

calculation function 

19. Indication of active 

calculation of 
average over time 

Fig. 2: Display description 

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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