GE Protimeter Hygromaster
Page 6
3
Standard Functions – Humidity and Temperature Measurements
Measure humidity and temperature as follows:
1.
Connect the Hygrostick or Quikstick probe to the Hygromaster instrument either directly
into the socket on the top of the instrument or indirectly with the optional extension lead.
2.
Switch the Hygromaster instrument
ON
by pressing
briefly.
3.
Press
successively to display relative humidity (
%rh
), dew point (
TD
) or mixing
ratio/absolute humidity (
ppmw/gpp
) on the upper display.
4.
Press
successively to display air temperature (
TA
), surface temperature (
TS
), surface
to dew point temperature difference (
Δ
-T), time and date, probe serial number.