PeakTech 5145 Bedienungsanleitung Seite 36

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3. When make the measurement, the pitot tube tip should against the measured wind as shown in
upper figure, and ensure that the axis of the duct is aligned with the fluid flow for ± 10 °. If
Measure Velocity measures negative and show "o Err"on the display, check to make sure that
the hoses are attached to the correct ports on the Meter and the pitot.
7.3. Measuring Flow
1. Press
2. The Meter shows the duct shape and size. The Meter stores the last duct shape and size that is
entered. If the duct is different than the stored version, press
duct type for the measurement (rectangular or round). Refer to Step duct shape and
parameters setting. ("Changing Setup Options.")
Notes:
HOLD, Save, MIN/MAX/AVG, Zero, and Setup can be used when measuring pressure, velocity and
flow.
7.4. Displaying Temperature
Ambient temperature is displayed on the secondly show as a reference. The temperature can be
displayed in either °C or °F. Press
7.5. Holding the Displayed Readings
1. Press
2. Press
7.6. Viewing the MIN, MAX, and AVG Readings
1. Press
readings. The elapsed time since entering MAX/MIN/AVG mode, or the time at which the
minimum or maximum occurred appears on the display.
2. Press
temperature value.
3. Press
P/V/F
to enter air flow mode and press
to select unit °C or °F.
to freeze the readings on the display .The display shows HOLD.
again to turn off the HOLD function
MAX
MIN
to step through the maximum (MAX), minimum (MIN), or the average (AVG)
P/V/F
to show the maximum, minimum, and average of pressure, velocity or flow, and
MAX
MIN
button for 2 seconds to exit MAX/MIN/AVG mode.
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to select unit.
button to find the proper