Tif VA500A Digital HVAC Analyzer Bedienungsanleitung PDF herunterladen (Seite 18)

Figure 7

Page 9

5.4.4 Using SÇ buttons, enter the

appropriate measurement in

inches. DO NOT PRESS

ENTER UNTIL STEP 5.4.6

5.4.5 TO MEASURE ROUND

GRILLS – after step 5.4.1

press the ENTER button

for more than 2 seconds,

until DIAMETER is dis-

played on LCD (Fig. 7);

then follow Steps 5.4.4

to 5.4.7.

5.4.6 Place the probe in front of

the unit’s outlet so that the

sensor’s cover is facing the

outlet. Press ENTER.

The VA500A will flash“WAIT”

for about 20 seconds.

Keep the probe in front of

the outlet’s grill and when

"start average" begins to

flash; move the probe back

and forth across the unit’s

outlet .

(*See diagram

below step 5.4.7).

Make sure to cover the

complete area of the grill,

moving the probe at a rate of

speed to cover the entire grill

in less than 10 seconds. Go

back and repeat moving the

probe across the outlet for

one minute. At the end of

one minute the VA500A will

beep, signaling that the

measurement time has

ended.

Figure 8

Figure 9

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Tif VA500A Digital HVAC Analyzer Bedienungsanleitung Seite 18