User Manual

P/V/F
P/V/F
P/V/F
P/V/F
1. pressure input (+)
2. differential pressure (-)
3. LCD-display
4. Press to changes the temperature units. In Setup mode, press to scroll to the
Setup option you want to change or press to increase the displayed setting. In Recall
mode, press to select the desired sample number.
5. Press button to turn on the backlight. Press it again to turn off the backlight. Press
button for 3 seconds to start or exit Setup. (See "Changing Setup Options.")
6. Press to Changes secondly showing number units. In Setup mode, press to scroll
to the Setup option you want to change or press to increase the displayed setting. In
Recall mode, press to select the desired sample number.
7. Press button to store sample data or press button to clear sample data in Recall
mode.
8. Press to step through the maximum, minimum, and average readings. To exit the
MAX/MIN/AVG mode, press the button for 2 seconds to return to normal operation
9. Press to show the air velocity, press secondly to show the high and length of a
rectangular or the diameter circular duct, press thirdly to show the air flow, press
to show differential pressure again.
10. battery cover
11. Press to turn the thermometer on or off.
12. Press to freeze or unfreeze the displayed readings. Press button and hold 2
seconds to zero out the display.
13. Pitot tube for measuring of airflow
14. Press button and hold 2 seconds to enter Recall mode. In Recall mode, press
to calculate the sample data. In Setup mode, press button to enter a Setup option.
Press again to store the displayed setting in memory.
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MAX
MIN
MAX
MIN