General Tools and Instruments ABH-4225 - Manual (Page 11)

4-4 Barometer measurement
1)Turn on the meter by pressing the " Power Button "
( 3-3, Fig. 1 ) momentarily.
2)For the above 4-1 mode ( function ) selection, please
set to :
d.Barometer/Temp.
( Upper display show atmosphere value , lower
display show Temp. value )
e. Barometer/Humidity
( Upper display show atmosphere value , lower
display show humidity value )
f. Barometer/Anemometer
( Upper display show atmosphere value , lower
display show air velocity value )
4-5 Humidity measurement
1)Turn on the meter by pressing the " Power Button "
( 3-3, Fig. 1 ) momentarily.
2)For the above 4-1 mode ( function ) selection, please
set to :
a. Humidity/Temp.
( Upper display show humidity value , lower
display show Temp. value )
e. Barometer/Humidity
( Upper display show atmosphere value , lower
display show humidity value )
4-6 Dew point measurement
1)Turn on the meter by pressing the " Power Button "
( 3-3, Fig. 1 ) momentarily.
2)For the above 4-1 mode ( function ) selection, please
set to :
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