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User's Manual 

 
VA893 

Thermo Anemometer 

 

 

 

 
 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

 
 
 
 

Содержание VA893

Страница 1: ...User s Manual VA893 Thermo Anemometer ...

Страница 2: ...CITY mode the meter displays air speed UP also serves as increase number button in AREA mode AVG Used to Average multiple readings in FLOW or VELOCITY mode Up to 20 readings can be averaged HOLD Press to freeze the displayed reading Press again to unlock display This button also functions as the RIGHT scroll button in AREA mode AREA NEXT Press and hold to manually enter the area of a duct in CFM o...

Страница 3: ... HOLD bottom of LCD Data Hold for the Air Velocity and Air Flow function o C o F Temperature units of measure CFM CMM airflow units of measure AREA ft2 m2 units for area dimensions m s ft min km h MPH knots air velocity units of measure X10 X100 multipliers for air flow readings AVG air averaging mode REC indicates that min max function is running top for temp bottom for air Large LCD digits at bo...

Страница 4: ...sticker placed inside the vane 4 View the readings on the LCD Display The large main LCD display shows the Air Velocity reading The upper right LCD sub display shows the temperature reading Air Velocity Averaging Mode 1 To enter 20 Point Averaging Mode press and hold the AVG button until it beeps twice The AVG icon will be displayed 2 Take a measurement and press the AVG button A single beep will ...

Страница 5: ...Push the NEXT button to scroll thru and select the desired location Once you have selected the desired memory location enter your dimension Use the UP button to change the flashing digit Use the LEFT button to move the decimal Use RIGHT button to select the other digits After all of the digits are entered press and hold the AREA button until it beeps twice to save the area into memory and return t...

Страница 6: ...p automatically after 2 hours and the upper LCD sub display will show a OFF only in the average mode 4 Press the MAX MIN button again to display current readings NOTE the meter will keep recording MAX MIN AVG readings 5 To clear and stop MAX MIN AVG recording and return to normal operation press and hold the MAX MIN button until the meter beeps twice Automatic Power OFF To conserve battery life th...

Страница 7: ...oprocessor circuit Display Dual function 0 7 16 mm 4 digit LCD Sampling rate 1 reading per second approx Sensors Air velocity flow sensor Conventional angled vane arms with low friction ball bearing Temperature sensor NTC type precision thermistor Automatic Power off Auto shut off after 20 minutes to preserve battery life Operating Temperature 32 to 122 F 0 to 50 C Storage Temperature 14 to 140o F...

Страница 8: ...lae Unit of Measure Conversion Table m s ft min knots km h MPH 1 m s 1 196 87 1 944 3 6 2 24 1 ft min 0 00508 1 0 00987 0 01829 0 01138 1 knot 0 5144 101 27 1 1 8519 1 1523 1 km h 0 2778 54 69 0 54 1 0 6222 1 MPH 0 4464 87 89 0 8679 1 6071 1 Width W Height H Area A Width W x Height H CFM ft3 min Air Velocity ft min x Area ft2 CMM m3 min Air Velocity m sec x Area m2 x 60 Radius Area A o x r2 Where ...

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