© PCE Instruments
18
Eng
li
s
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upper display.
In AREA mode, press the key to increase the selected
figure by 1.
6
MAX/MIN
◄
Press the key to view the maximum, minimum or average
value.
Press and hold the key to exit this mode.
In AREA mode, press the key to move the decimal point.
7
HOLD
►
Press the key to freeze the current value on the lower
display.
Press the key again to unfreeze the lower display.
In AREA mode, press the key to move to the next digit.
8
NEXT AREA
Press and hold the key to go to AREA mode, where you
can set the cross-section area.
Press and hold the key again to leave AREA mode.
In AREA mode, press the key to go to the next area.
9
Press the key to turn the device on/off.
4
Getting started
4.1
Power supply
When the
indication appears on the display, you need to change the battery. To do so,
open the battery compartment on the back of the device by using a screwdriver and replace the
9 V battery. Close the battery compartment afterwards.
The device shuts down automatically after an idling time of 15 minutes. This function is
deactivated in air flow mode (CFM, CMM) and average mode (AVG).
5
Operation
5.1
Measurement
5.1.1
Air velocity and air flow
1.
Press the
key to turn on the device. It performs a quick self-test during which all
display indications flash. After this, it goes to measuring mode.
2.
In measuring mode, the upper display shows the air temperature while the lower
display shows the air velocity or air flow.
3.
By pressing the UNIT
▲ key, you can switch between the different measuring units,
as well as between air velocity and air flow measurement. You can see which
measuring mode (air velocity or air flow) is active by looking at the indications on the
display. If air velocity mode is active, the display shows “VEL”. If air flow mode is
active, the display shows “FLOW”.
