RH390-EU-EN V2.2 2/11
3
Meter Description
1.
Humidity & Temperature Sensor
2.
LCD Display
3.
Power ON/OFF button
4.
°F/°C/WBT (wet bulb)/Dew Point button
5.
MIN/MAX button
6.
HOLD/Backlight button
Note: The battery compartment is located
on the rear of the instrument
Display Description
1.
Relative Humidity %
2.
Dew Point
3.
Wet Bulb
4.
°C/°F
5.
Temp/WB/DP Display
6.
Maximum
7.
Minimum
8.
Low Battery
9.
Hold
10.
RH% Display
11.
Auto Off
1
2
4
5
3
6
Dewpoint
WetBulb
°C °F
MAX MIN
9
10
8
11
6
7
1
4
2
3
5
