Full Product Manual

Data Hold (Air Velocity/Air Flow)
1. While taking measurements, press the HOLD button to freeze the air
velocity/air flow reading.
2. The HOLD indicator will appear in the bottom of the LCD display.
3. Press HOLD again to return to normal operation.
MAX/MIN/AVG Record (Air Velocity/Air Flow)
This allows the user to record and view the highest (MAX), lowest (MIN) and
average (AVG) readings.
1. Press the button MAX/MIN button. The MAX indicator and RECORD
indicator along with the Max reading will appear on the LCD display and
the meter will begin keeping track of the MAX, MIN and Average values.
2. Press the MAX/MIN button again to view the minimum reading. The MIN
indicator along with the minimum reading will appear on the LCD display.
3. Press the MAX/MIN button again to view the average reading. The AVG
indicator along with the average reading will appear on the LCD display.
NOTE: Average recording will stop automatically after 2
hours, and the upper LCD sub-display will show an OFF (only
in the average mode).
4. Press the MAX/MIN button again to display current readings. NOTE: the
meter will keep recording MAX/MIN/AVG readings.
5. To clear and stop MAX/MIN/AVG recording and return to normal
operation, press and hold the MAX/MIN button until the meter beeps
twice.
Automatic Power OFF
To conserve battery life, the meter automatically turns off after 18 minutes. To
defeat this feature:
1. Turn the meter OFF.
2. Press and hold the (Backlight) key while turning the meter ON.
3. “dis APO” will appear in the display. The AUTO POWER OFF feature will
now be disabled.