Table of Contents
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Chapter 3
Operation
Keypad Functions
ON/OFF Key
Press to turn the Model 5815 on and off. During
the power up sequence the display will show the
following: Model Number, Serial Number,
Software Revision and Last Date Calibrated.
ft/min / m/s Key
Pressing this key changes the display to read air
velocity, converted from.
in H
O / Pa / hPa /
Pressing this key changes the display to read
2
differential pressure.
kPa / mm HG Key
Pressing the 0 key zeroes the pressure
0 Key
measurement.
Changing Units
To change units, first put the desired measurement
(air velocity or temperature) on the display. Then
press and hold the left, unlabelled key for five
seconds. Finally, use the
select the units.
www.
and ENTER key to
information@itm.com
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5
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