accuracy, make sure the vane is moving along the whole outlet to cover each area. The countdown is displayed in the top left corner as
a reminder and the meter also beeps when the 60 sec is up. After time is up, the average volume will be displayed on the LCD (Fig K.)
If there is more than one outlet, you can press ENTER key again to repeat the procedure from outlet size input. You can measure outlet
as many times as needed. After measuring more than one outlet volume, you can press Mx/Mn▲ key to review the sum of all outlets.
Press HOLD▼ key to review the last outlet volume.
CAPACITY: OUTLET SIZE
While in normal mode, press MODE for 3 seconds to enter air volume, then press MODE to enter capacity mode. To measure the
capacity, put the vane on the Inlet, then press ENTER to begin the 60 second countdown for average Temp & RH% (Fig L.) The
countdown is displayed in the top left corner as a reminder and the meter also beeps when the 60 sec is up. Then, the meter enters the
outlet size setting automatically. (see Note 1 below)
There are three choices to enter the size:
• Length & Width: This is the default choice. Press HOLD▼ key to select the setting digit first, then press Mx/Mn▲ key to select the
appropriate value (0~9). When the value is selected it will show from 0 to 9 in cycle. After entering length, press ENTER to enter
the width setting. Repeat the procedure for length setting, then press ENTER again to finish size setting and enter the next step.
(Fig. M)
• Diameter: While in default outlet setting mode (length), press the ENTER key for over two seconds to choose the diameter setting.
Press HOLD▼ key to select the setting digit first, then press Mx/Mn▲ key to select the appropriate value (0~9.) After selection,
press ENTER again to finish size setting and enter next step. (Fig. N)
• Area: While in diameter setting mode, press the ENTER key for over two seconds to enter area setting. Press HOLD▼ key to select
the setting digit first, then press Mx/Mn▲ key to select the appropriate value (0~9.) After selection, press ENTER again to
finish size setting and enter next step. (Fig. O)
CAPACITY: MEASUREMENT
After pressing ENTER to finish and leave the size setting mode, there is a 90 or 20 second (note 1) wait time for you to put the vane
to the grill. During the above wait time, a countdown will be displayed in the top left corner of the LCD screen and the meter will also
beep when the time is up. (Fig. P) If there is no need to wait for 90 or 20 seconds, just press the REC/START key to start measuring the
capacity right away.
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After starting to measure the capacity, the meter will calculate for 60 seconds and give an average value (Fig. Q.) During this 60 second
time, the vane should move along the whole outlet to cover each area ensuring accurate data. The countdown will be displayed in the
top left corner of the LCD screen and the meter will also beep when the time is up. After the 60 seconds is up the average volume will
display on the LCD. (Fig R.)
If there is more than one outlet, you can press the ENTER key again to repeat the procedure from outlet size input. You can measure
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Note 1: If you have a lot of outlets to measure, when you start to measure the second one, the wait
time will automatically adjust to 20 seconds. 90 seconds is the buffer time for sensor to stabilize.
Whether you are in outlet or inlet mode it is suggested you move the vane along the grill to obtain
greater accuracy.
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Fig. P
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