Dewpoint temperature (hmt337 warmed probe option), Operating environment, Figure 81 – Vaisala HMT330 User Manual
Page 175: Accuracy in dewpoint measurement
Chapter 8 _____________________________________________________________ Technical Data
VAISALA _______________________________________________________________________ 173
Dewpoint Temperature (HMT337 Warmed
Probe Option)
Find the intersection of the dewpoint temperature curve and the dewpoint
difference reading (process temperature-dewpoint temperature) on the x-
axis and read the accuracy in dewpoint measurement on the y-axis.
0508-017
Figure 81
Accuracy in Dewpoint Measurement
Operating Environment
Operating temperature range
for humidity measurement
-70 ... +180 °C (-94 ... +356 °F)
see probe specifications
for transmitter body electronics
-40 ... +60 °C (40 ... +140 °F)
with display
0 ... +60 °C (+32 ... +140 °F)
Storage temperature range
without display
-55 … +80 °C (-67 … +176 °F)
with display
-40 … +80 °C (-40 … +176 °F)
Electromagnetic compatibility
EN61326-1: Electrical equipment for
measurement, control, and laboratory use –
EMC requirements – for use in industrial
locations