4. MEASURING PROCEDURE
4-1 Function selection
1) Power on the meter by pressing the " Power button "
( 3-2, Fig. 1 ) > 1.5 seconds continuously.
* After already power on the meter, pressing the
" Power button " > 1.5 seconds continuously will
turn off the meter.
2) The meter can select 6 kind function as :
1. Air velocity/Temp.
2. Air flow ( CFM/USA type, CMM/Euro type )
3. Type K/J Thermometer
4. Humidity/Temp. measurement
5. Dew point ( Humidity )
6. Wet bulb Temp. ( Humidity )
Pressing the " Function Button " ( 3-7, Fig. 1 )
continuously ( not release the button ), the Display
will show the following text in sequence :
Air
Air velocity/Temp. measurement
AirF
Air flow measurement
tP
Type K/J Thermometer measurement
rH
Humidity/Temp. measurement
dP
Dew point ( Humidity ) measurement
_Et
Wet bulb Temp. ( Humidity )
measurement
Until the Display show the desired mode ( Function ),
just release the " Function Button " ( 3-7, Fig. 1 ), the
meter will execute this function with default.
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