HT instruments HT3320 - Manual (Page 21)

HT3320
EN - 20
8. Make sure that the object whose temperature is to be measured is at least as large as
the unit’s spot (see Fig. 28). The smaller the object is, the closer you should be to it.
When accuracy is critical, make sure the object is at least twice as large as the
spot size. To find a hot spot, aim the thermometer at the measured object, then move
the instrument across the object until a hot spot is located.
Fig. 28: Spot size area
9. The instrument displays the values of the fields MAX, MIN, MED, AVG and DIF, if
selected (see § 6.6, 6.7).
10. In case continuous measurement is activated (see § 6.5), press the ENTER key,
followed by the arrow key
S to exit the mode or press the arrow key T to
enable/disable the laser pointer if activated in the relevant section (see § 6.4).
11. While holding the instrument steady on the object on which it was pointed, press the
arrow key to enter the saving section of IR images and other parameters (if
selected) and press the arrow key
S again to save the image or the arrow key T to
exit without saving.
12. Press the arrow key to enter the section for recording an IR video and press the
START key (
T) to activate the video and the STOP key (T) to stop recording. The
instrument automatically saves the video in the memory.