User guide
26 Measurement of Air Flow FLOW RATE Mode
Air Flow: Air Volume per Time Unit [m
3
/min, m
3
/h, ft
3
/min, ft
3
/h]
Air Flow (Q) = Average Air Velocity (U) x Cross Sectional Area (A)
Press to enter the Main Menu.
Use
to select
“4. FLOW RATE” and press .
Use to select
“1. SINGLE FLOW RATE” and press
.
<Setting the SAMPLING TIME>
Use to select
“1. SAMPLING(TIME)” and press .
Use to select SAMPLING TIME
(1 to 999) and press .
SINGLE FLOW RATE Mode Display Icons
1. SAMPLING TIME (1 to 999 sec)
To set the interval time between each
sampling. (INSTANT)
2. No. TRIAL (N) (1 to 9999 times)
To set the number of trials (data) to be
sampled at each point.
3. MEAS. POINT (1 to 2000 points)
To set the number of measuring points.
4. DATA STORAGE (YES or NO)
5. DUCT ENTRY NO.
Select the duct entry number of the duct that is to be measured.
Registration and changes to the duct information can also be made.
6. SET TO START
Save the settings and return to standby.
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SAMPLING MODE
1.SINGLEoFLOWoRATE
2.MULTIoFLOWoRATE
SINGLE (R20000/20000
1.SAMPLING(TIME)001os
2.SAMPLING(n)110050
3.MEAS.2POINT220010
4.DATA2STORAGE2?22YES
5.DUCT2ENTRY2NO.2221
6.SET2TO2START
Remaining Memory
Available
Total Memory
r1=0.316R
r2=0.548R
r3=0.707R
r4=0.837R
r5=0.949R
Measurement
Point
Circular Duct
R
r1
r2
r3
r4
r5
Rectangular Duct
SINGLE (R20000/20000
1.SAMPLING(TIME)001os
2.SAMPLING(n)110050
3.MEAS.2POINT220010
4.DATA2STORAGE2?22YES
5.DUCT2ENTRY2NO.2221
6.SET2TO2START