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   HTA105 

 

 

 

 

EN - 12

6. MAINTENANCE 

6.1. GENERAL INFORMATION 

1.  While using and storing the instrument, carefully observe the recommendations listed 

in this manual in order to prevent possible damage or danger during use. 

2. Do not use the instrument in environments with high humidity levels or high 

temperatures. Do not expose to direct sunlight. 

3.  Always switch off the instrument after use. In case the instrument is not to be used for a 

long time, remove the battery to avoid liquid leaks that could damage the instrument's 
internal circuits. 

 

6.2.  REPLACING THE BATTERY 

When the LCD display shows symbol 

, it is necessary to replace the battery. 

 

 

CAUTION 

 

  Only expert technicians should perform this operation. Before carrying out 

this operation, 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 the declared accuracy indications. 

 
1.  Switch off the instrument 
2.  Remove the probe from the input terminal 
3.  Remove the battery compartment cover 
4.  Disconnect the battery from the connector. 
5.  Connect the new battery to the connector, and pay attention to correct polarity 
6.  Restore the battery compartment cover to its position. 
7.  Do not scatter old batteries into the environment. Use the relevant containers for 

battery disposal. 

 

6.3.  CLEANING THE INSTRUMENT 

Use a soft and dry cloth to clean the instrument. Never use wet cloths, solvents, water, etc. 
 

6.4.  END OF LIFE 

 

 

WARNING

: this symbol found on the instrument indicates that the appliance, its 

accessories and the battery must be collected separately and correctly disposed 
of. 

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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