Vaisala HMP42 - Manual (Page 13)

HMI41 AND HMP42
M210317EN-A Operating Manual
9
4.2 Measurement readings on display
Relative humidity and temperature readings appear automatically after the
battery charge indication:
RH
T °C
%
If MODE button is pressed, dewpoint temperature (Td) reading is displayed:
T
Td °C
°C
When the MODE button is pressed again, one of the following is displayed or
the HMI41 returns to showing the RH and T readings according to what has
been chosen for the measurement quantities (see Chapter 4.4):
abs g/m
T °C
Temperature and absolute humidity
T °C
°C
Temperature and wet bulb temperature; the
arrow in the lower righthand corner indicates that
wet bulb temperature has been chosen
T °C
Temperature and mixing ratio; the arrow in the
lower righthand corner indicates that mixing ratio
has been chosen (the unit is g/kg or gr/lb).