HD350-EU-EN V3.1 07/13
11
MIN, MAX, and AVG Readings
1. Press
the
MIN-MAX
button to start a MIN-MAX-AVG session. The elapsed timer will start
(shown on the top right, secondary LCD display area) and indicate the minutes and seconds that
have elapsed since the session started.
2. Use
the
P/V/F
button to select the measurement type to review (Pressure, Air Velocity, or Air
Flow).
3. Use
the
MIN-MAX
button to step through the MAX (maximum reading), MIN (minimum reading),
and AVG (average reading) for the selected measurement type that has been captured since
the MIN-MAX-AVG session began. The elapsed time value is captured along with the MAX and
the MIN reading
4.
Press and hold the
MAX-MIN
button for at least two (2) seconds to exit the MIN-MAX-AVG
mode.
Storing, Recalling, and Averaging Readings
The HD350 can store up to 99 readings in its internal memory for each of the three measurement
modes (Air Velocity, Air Flow, and Pressure) for a total of 297 readings.
1.
Momentarily press the
SAVE CLEAR
button to store a reading. When the internal memory is
full (99 readings) the meter will display ‘FU’ (FULL) and beep when another reading is
attempted to be stored.
2.
After a series of readings are taken, press and hold the
AVG REC
button to enter the ‘REC’
(Recall) mode and begin recalling the stored readings.
3.
Use the arrow keys to scroll through the stored readings. The reading sample number is shown
at the bottom right-hand corner of the display.
4.
To show an average of all of the stored readings, press the
AVG REC
button while in the
Recall (REC) mode.
5.
Use
the
P/V/F
button at any time during the Recall process to switch between the three modes
of measurement (Air Velocity, Air Flow, and Pressure).
6.
To exit the Recall mode, press and hold the
AVG REC
button for at least (2) seconds. The
‘REC’ display icon will switch OFF and the meter will return to the normal operating mode.
Deleting Stored Readings
Use the
P/V/F
button to select a measurement mode (Air Velocity, Air Flow, or Pressure)
1.
To clear one reading at a time
, Press and Hold the AVG REC button for at least two (2)
seconds to enter the Recall mode (the ‘REC’ icon will appear).
2.
Use the arrow keys to scroll to the desired reading that is to be deleted.
3.
Press
the
SAVE CLEAR
button to delete the selected reading. Note that the number of
samples on the sample counter (lower right) will have decreased after the reading is deleted.
4.
Press and hold the
AVG REC
button for at least two (2) seconds to exit the Recall (REC)
mode.
5.
To clear ALL of the readings simultaneously
, refer to the SETUP MODE section earlier in
this manual.
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