Manual
5
4 System description
De w Po int
Wet Bulb
1)
Humidity / ambient temperature probe
: semi conductor sensor for humidity and temperature inside.
2)
LC display
: 4.5-digit dual LC display showing the units °C and °F as well as the relative humidity
percentage, the dew point temperature, the wet bulb temperature, low battery ind
ication and “MIN / MAX
HOLD”.
3)
MAX / MIN key
4)
°F / °C / WBT / Dew Point selection key:
key to select temperature, dew point temperature or wet
bulb temperature, either in °F or °C.
5)
On/Off
key
: to switch the device on and off.
6)
HOLD / key:
Press this key to activate the HOLD function. The reading will then be held.
To switch the backlight on or off, press and hold the HOLD /
key for more than 2 seconds.
7)
Battery compartment