HT instruments THT70 - Manual (Page 22)

THT70
EN - 20
Fig. 23: Setting the parameters associated with the cursors
7. Touch the option “Use global parameters” to associate the values of the parameters
globally defined on the instrument to the cursor (see §). The symbol “ ” is found on
the display and the fields below it are deactivated.
8. With the previous option deactivated (see Fig. 23) it is possible to associate values of
parameters “Emissivity”, “Distance” and “Offset” different from the global ones to the
cursor. To this purpose, touch the field of the parameter highlighted in red and the
symbols “<” and “>” to decrease or increase the value. Keep the keys pressed for a
quick selection of the values, The measuring ranges are the following:
 Emissivity  0.01  1.00
 Distance  0m  5000m
 Offset  -10°C  10°C
9. For the parameter Emissivity it is possible to select the value according to an integrated
table of the most common materials. Touch the field of the parameter. The following
screen appears on the display:
Fig. 24: Table with emissivity values of common materials
10.
Scroll the screen, touching the desired material or select the item “Custom” and
activate the symbol “
”. Touch “OK” to confirm or “Cancel” to go back to the previous
screen
11. Press the “ ” key to go back to the previous screen