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HD350-EU-EN V3.1 07/13
3
Meter Description
1.
Pitot tube
. Hold the tube in the flow of air to take a reading
2. Pressure
Manometer
hose 1
Black
3. Pressure
Manometer
hose 2-
White
4. Pressure
Connector
(+)
5. Pressure
Connector
(-)
6.
Temperature sensor
7.
LED display
shows readings, units,
setup parameters, and user alerts
8.
PC interface jack:
Use the supplied
cable to connect the meter to a PC
9.
Upper Keypad
:
F/C
:
Press to change the unit of
measure for Temperature. Also
functions as an up arrow key
UNIT
:
Press to change the unit of
measure for Pressure, Air Velocity,
and Air Volume (Flow). Also functions
as a down arrow
AVG / REC
: Used to obtain the
Average for multi-point measurements
in either FLOW or VELOCITY modes.
Up to twenty (20) points can be
averaged. Press and hold this button
for 3 seconds to access the data Recall mode (REC)
SETUP
:
Momentary key presses turn the backlight on and off. Press and hold this button for 3
seconds to enter or exit the Setup mode (discussed later in this guide)
10.
Lower Keypad:
MAX/MIN
: Press to record and store the highest, lowest and continuous moving average readings
for single point measurements. Press and hold this button to exit this function
SAVE / CLEAR
: Press to store a reading. In recall mode, pressing this button clears a data
sample.
P/V/F
: Press to select Pressure (P), Air Velocity (V), or Air Flow (F)
HOLD / ZERO:
Momentary presses freeze and un-freeze the displayed reading. Press and hold
the button to ZERO (OFFSET) the displayed reading
11.
On/Off button
: Press to turn the meter ON or OFF
KEYPAD NOTE:
In Setup mode several buttons have special uses not detailed above but are
described in subsequent sections of the manual.
NOTE
: Battery Compartment, Tilt Stand, and Tripod Mount are located on the reverse side of the
meter.
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