User Manual

P/V/F

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 to enter air flow mode and press to select unit.

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 button to find the proper

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 to select unit °C or °F.

7.5. Holding the Displayed Readings

1. Press to freeze the readings on the display .The display shows HOLD.

2. Press again to turn off the HOLD function

7.6. Viewing the MIN, MAX, and AVG Readings

1. Press to step through the maximum (MAX), minimum (MIN), or the average (AVG)

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 to show the maximum, minimum, and average of pressure, velocity or flow, and

temperature value.

3. Press button for 2 seconds to exit MAX/MIN/AVG mode.

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MAX

MIN

MAX

MIN