PCE Instruments PCE-423, Manual

Page: 6 / 14

Manual
6
4.2 Buttons
Button Function

Turn the device on / off

Freeze/unfreeze the current reading on the
display (Hold)

Press and hold to adjust the zero point
(Zero)

Enter a folder in setup menu

Confirm an adjustment

Turn the backlight on / off

Press and hold it for 3 seconds to enter
setup menu

Choose the measuring unit for the main
display (m/s, ft/min, km/h, mph, knots)

Move up in setup menu

Choose the measuring unit for the
secondary display (°C, °F)

Move down in setup menu

Press to start averaging (over a certain
time or amount of readings)

Press to retrieve the maximum / minimum
value of a measurement

Press and hold for 2 seconds to go back to
normal mode

Press to change between flow rate and
temperature indication on the secondary
display
5 Operation
5.1 To carry out a measurement
1. Connect the sensor to the anemometer. Note the marks on the plug and the device.
2. Turn on the device by pressing . A counter appears on the display. After the counter has
reached
“0”, the device is ready to use.
3. Choose the measuring units for air velocity and temperature. Press to switch between the
air velocity units on the main display (m/s, ft/min, km/h, mph, knots). Press to switch
between the temperature units on the secondary display (°C, °F).
4. Set the zero point. To do so, please make sure that the metal protection ring on the sensor head
is in the upper position (air velocity = 0
)
. If this is the case, press and hold . (Fig. 1)