Airflow Instruments AV 30 Operating Instructions Manual Download Page 2

 

1.

 

INTRODUCTION 

The AV30 is a rotating vane anemometer featuring digital display of 
Velocity and Volume Flow rate in metric or imperial units.  

 
1.1 

The  AV30  has  been  designed  for  ease  of  operation  and  has  a  menu 
driven interface, it supports the following units of measurement: 

 

 

m/s  

(metres per second) 

 

m

3

/s 

(metres cubed per second) 

 

l/s   

(litres per second) 

 

m

3

/h 

(metres cubed per hour) 

 

ft/min 

(feet per minute) 

 

cfm  

(cubic feet per minute) 

 

knots 

 

mph 

(miles per hour) 

 

km/h 

(kilometres per hour) 

 
1.2

 

The AV30 has a 0-1 volt output proportional to velocity (0 to 30m/s) or 
volume flow.  This signal is created using a 12 bit DAC and so has a 
small  DC  offset  which  should  be  taken  into  account  when  taking 
readings.    The  cable  connected  to  the  0-1  volt  output  should  not  be 
more than 3 metres long. 

 

2.

 

BATTERY INFORMATION 

 

2.1

 

The AV30 is supplied with batteries but these are not fitted into the 
instrument. 
 
Due to the limited shelf life the batteries are not covered by the TSI 
Instruments Ltd. standard warranty. 
 
To fit the batteries press firmly on the battery compartment cover and 
slide it in the direction of the arrow. 
 
Carefully insert the batteries into the holder checking the polarity of 
each cell as marked on the holder and ensuring that the ribbon is 
underneath all batteries. Refit the cover. The instrument is now ready 
for use. 
 
Do not leave discharged batteries in the instrument or the batteries in 
place if the instrument is out of use for a long period of time. 

 

Summary of Contents for AV 30

Page 1: ...1 AV30 OPERATING INSTRUCTIONS Please read these instructions carefully before using the instrument Shortform instructions appear on the back of the instrument 9021435 A 0805...

Page 2: ...DC offset which should be taken into account when taking readings The cable connected to the 0 1 volt output should not be more than 3 metres long 2 BATTERY INFORMATION 2 1 The AV30 is supplied with...

Page 3: ...battery symbols at both ends of the top line of the display The instrument will still operate correctly but only for a limited time so the batteries should be replaced as soon as possible Also use of...

Page 4: ...to 100 in steps of ten Use the and keys to select the level of averaging desired then press the key to confirm selection 3 1 5 Backlight Turns on and off the screen backlight press the key to toggle...

Page 5: ...e Comments under section 7 Possible sources of error Avoid intrusion of the hand arm or handle of the instrument into the face area of the grille The blockage effect created by this would cause artifi...

Page 6: ...lle particularly if this is of the type having adjustable direction vanes and or dampers The airstream issuing from such a grille is invariably very disturbed consisting of many small areas of high ve...

Page 7: ...G ALTERING THE CALIBRATION WILL INVALIDATE TSI INSTRUMENTS LTD RESPONSIBILITY FOR CALIBRATION UNDER WARRANTY The unit will monitor each time the calibration is effected If the calibration routine is i...

Page 8: ...ephone 001 651 490 2811 Fax 001 651 490 3824 WWW http www tsi com The statements and opinions contained in this document are made in good faith Whilst every effort has been made to provide reliable in...

Page 9: ...ding 1 digit Volume Flow Ranges Accuracy 35mm Head 0 02 1800 m sec 2 1 800 000 l sec 2 6 480 000 m3 hr Calibrated to better than 2 of reading 1 digit 2 3 700 000 ft3 min Calibrated to better than 2 of...

Page 10: ...tandards EN50081 1 Radiated Emissions and EN50082 1 Radiated and ESD Immunities QUALITY ASSURED TO ISO 9001 TSI Instruments Ltd August 2005 Lancaster Road Part No 9021435 Rev A Cressex Business Park H...

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