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V&A VA8070, Руководство пользователя

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ABSOLUTE PRESSURE 

METER

 

 

 

 

 

                       

 

 

 

 

      Users Manual     

 

Содержание VA8070

Страница 1: ...ABSOLUTE PRESSURE METER Users Manual ...

Страница 2: ...absolute pressure measuring instrument It is normally used to measure absolute pressure e g for pressure compensation in velocity measurement in ducts laboratories and production processes Barometric measurements and height measurements between two points are also possible 1 1 Precautions safety measures To get the best service from this meter please read this user s manual carefully and observe t...

Страница 3: ...ure the height between two points the height above mean sea level at the starting point must be known and set correctly 4 Never store the product together with solvents acides or other aggressive substances 5 When the battery voltage is under proper operation requirement the symbol will show on the LCD and the battery need to be replaced with new 1 1 2 Maintaining the product l Do not measure at a...

Страница 4: ...solute barometric Pa hPa mbar mmH2O mmHg inHG inH2O psi 3 Resolution 0 1 hPa 0 1 inH2O 4 Range 300 1 200 hPa 120 4 481 8inH2O 5 Accuracy 3 0hPa 1 2 inH2O Basic conditions 18 0 28 0 Humidity 80 6 Sample rate 1 time sec 7 auto power off about 20 minutes 8 low battery indicator 9 Operating environment 0 50 32 122 0 80 RH 10 Storage environment ...

Страница 5: ...ut 180g 12 Accessories DC1 5V AAA x 3pcs String x 1pcs Plastic box x 1pcs Users manual x 1pcs Names of parts l Instrument Familiarization 1 Sensor cover 2 Absolute pressure sensor nipple connection 3 LCD display 4 Function key ON OFF Unit Func Mode Absolute pressure meter ...

Страница 6: ...l LCD Display The meaning of the symbols represented by the following table Number of Order Symbol Functions 1 Indicating it is now in the data holding mode 2 Indicating the display value being the maximum ...

Страница 7: ...ue being the minimum value MIN 4 measure values 5 mmHg inHg mBa mmH2O inH2O hpa psi barom Pressure units 6 Altitude state 7 m ft Altitude units 8 Indicating the calibration mode 9 Indication low power of batteries Batteries should be replaced ...

Страница 8: ...wer on 4 After power on press the Unit key to select the needed units 5 When the reading has been stable read the pressure value If you still need more operations please see the description of keys instruction Keys instruction 1 ON OFF key Press the key to turn the power ON and press the key once more to turn the power OFF 2 Mode key 1 Mode set Press the key can select the state of MAX MIN ...

Страница 9: ...hed on or last reset l Min mode Minimum values since the instrument was last switched on or last reset 2 Auto power off set When the meter is powered on it is under auto power off mode The meter will power itself off after 20 minutes if no key operation Cancelled auto power off function press Mode key when power on until the LCD display AP OFF then Mode key Mode key Mode key Mode key ...

Страница 10: ...Press the key can shift the measurement state between pressure and relative altitude 2 Altitude state setting Under the state of measuring the relative altitude press the Func key 2sec to enter the initail altitude setting As shown in following figure Pressure measure Altitude measure Set initail altitude state ...

Страница 11: ... Func Key store the setting and then return the state of measuring the relative altitude When the lasted bit has been comfirmed it will store the setting automatically and exit the setting state 4 Unit key 1 Unit set In pressure state change different pressure units adjustalbe units mmHg pa inHg mBa mmH2O inH2O hpa psi In altitude state change altitude units of meter or feet 2 Back light contrl ...

Страница 12: ... 1 CLEANING INSTRUCTIONS The meter may be wiped down with a wet sponge or cloth using a mild water based detergent or anti bacterial soap and rinsed under a gentle stream of cold water NOTE This unit is not designed for complete submersion or washing in water 2 BATTERY REPLACEMENT Use the following procedure When the battery voltage drop below proper operation range the symbol will appear on the L...

Страница 13: ... 12 and the battery need to be replaced Press the battery cover and towards arrowhead direction to open the battery cover Replace the battery with three new 1 5V batteries AAA Replace the battery cover ...

Страница 14: ... 13 WLS2112 ...

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