Sper Scientific 800021 RH/Temp SD Card Logger - Manual (Page 21)

- 21 -
on changing the temperature scale.
Dew Point
1. Follow Steps 1-2 in the preceding
Humidity and Temperature
section.
2. Press and hold FUNC to cycle
through the options until “dP”
appears on the LCD. Release the
FUNC button. The dew point
value (°C or °F) appears on the
upper display and “dP” appears
on the lower display.
Wet Bulb
1. Follow Steps 1-2 in the preceding
Humidity and Temperature
section.
2. Press and hold FUNC to cycle
through the options until “Et”
appears on the LCD. Release the
FUNC button. The wet bulb value
(°C or °F) appears on the upper
display and “Et” appears on the
MEASUREMENT
PROCEDURES